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SBB Swiss Federal Railways
Mapping Challenge
Building Missing Maps with Machine Learning
Challenge ended719
Participants55.8 k
Train Schedule Optimisation Challenge
Optimizing train schedules
Challenge ended209
Participants33.2 k
jordiju hasn't authored any tutorials yet...
- Read the Source files and simplifies it
- Build the graph for each route
- Find the shortest path for each route (wrt the objective function)
- Output the problem as a Minizinc problem to a file (reduce some statements that can never be true along the way)
- Call Minizinc to compile the file to Flatzinc (for speed reasons without any optimization)
- Call the Google OR-Tools Flatzinc-Solver
- Read the result from the Flatzinc-Solver and create the JSON result file
- please do not upload any submissions via the challenge page
- you may keep using the validation scripts / notebooks. However, be advised that the validator may miss resource occupation conflicts in certain cases. Currently, a validation feedback with zero errors is no guarantee that the solution indeed complies with all business rules.
Train Schedule Optimisation Challenge | Validation Tool | 8 months ago
Hi @AlexandreLemos . Thank you for your interest in the challenge. Unfortunately, we can no longer offer access to the online validation tool. There is also no offline-version available, at least not one which would be compatible with the data model of the challenge. I'm afraid your best bet to evaluate the solutions would be to write a validator script yourself - maybe you can focus on the most important planning rules, such as resource occupations. Sorry I cannot be of more help. Julian
Train Schedule Optimisation Challenge | What tools did you use? | almost 2 years ago
Hi all
We have received several questions from interested participants that would like to have a look at the code for the most successful solutions.
Even though we have received access to the code of the leading submitters, we would not want to blindly redistribute it. Instead, if you are one of the leading submitters (say inside the top 10, these approaches all look very promising to me), you might consider publishing your code on a public repo, as user @twonests has done above.
As this would be outside the challenge, you may of course pick a licence of your choice for this repo (or none at all, in which case you retain exclusive copyright).
Apart from participants of this challenge, this might very well arouse interest from other parties as well. For example, we have contact with a couple of research groups at universities that I imagine would be very interested to learn about the many new ideas that have been explored by you guys.
If you decide to proceed, it would be great if you could post the link to your repo also in this thread.
Train Schedule Optimisation Challenge | License of problem instances | almost 2 years ago
…and I would consider the act of including it in your repo a "publication". So as long as you include the licence file with the SBB Copyright notice together with the files that should be ok.
When in doubt, just include a link to the files.
Train Schedule Optimisation Challenge | License of problem instances | almost 2 years ago
We can publish them under the same license as the data on the SBB Open Data Platform. It is also very open, you just have to cite the source of the data when used in publications. I will upload a licence file and put it in the folder with the problem instances.
By the way, the official starter kit is located at https://github.com/crowdAI/train-schedule-optimisation-challenge-starter-kit. The one on gitlab is deprecated. I will remove the content.
Train Schedule Optimisation Challenge | What tools did you use? | almost 2 years ago
I used python to decompose the global problem into a routing and a scheduling problems, each formulated as MIP and solved by Gurobi. For the routing problem, the main idea was to balance the number of occupations on each resource, so as to avoid congestion on the most used ones. The scheduling part was quite straightforward, with some care to reduce at most the number of disjunctive constraints expressing the order of trains on sections / ressources.
Very interesting, thanks! We also use MILP internally and have always been thinking about decomposing routing and scheduling, but never implemented it. It has drawbacks of course, but fore some instances it's probably the only way to prevent explosion of the MILP model. Would love to have a look how you choose the routes.
Train Schedule Optimisation Challenge | What tools did you use? | almost 2 years ago
I ended up with a pipeline controlled by a R program. Along the way the program did the following steps:
Impressively short and nice use of standard tools! Wouldn't have believed the flatzinc solver can solve all but instance 09, and most of them very well. Nice!
Train Schedule Optimisation Challenge | Pending Submissions from late last night | almost 2 years ago
Hi all
Murphy visited the SBB validator yesterday evening around 21:00 UTC and made sure it would no longer grade any submissions for the remainder of the challenge.
This prevented 4 submissions from being graded that were submitted before the deadline.
The good news is that the submission files were saved by crowdAI, so we can grade them next week once the validator is running again.
The bad news is that this may lead to "post-mortem" changes on the leaderboard which might cause some confusion.
We already preventively ask for your understanding if you should be affected by such a change.
Thanks! Julian
Train Schedule Optimisation Challenge | What tools did you use? | almost 2 years ago
Close call but I guess it was not good enough to win me anything :(
I wouldn't say that ;) If your solution is, as you mentioned, still reasonably generic, it might be a very interesting heuristic solver to add to our solver pool.
Train Schedule Optimisation Challenge | Challenge Feedback | almost 2 years ago
On a side-note 2: Validator. Adding up some weighted penalties is not that hard, is it? I hope whoever programmed that one is not responsible for the SBB train-collision-avoidance systems ;-)
No they're not, but just for fun, let me quote @EmmetBrown and @christophBuehlmann … I hope you feel guilty :D
Train Schedule Optimisation Challenge | Challenge Feedback | almost 2 years ago
Training-Set==Validation-Set is really boring
Thanks @Palstek ! Yes, in hindsight this is probably our biggest regret as well. The initial rationale was to leave as much freedom for technologies, languages, etc. as possible. But the tradeoff in the end is probably not worth the gain because, as you say, most people would still choose common tools. Also there were timeline restrictions that "encouraged" us to go for the easier setup we chose.
Next time we would surely let the algorithms run against an unknown test set.
Train Schedule Optimisation Challenge | Challenge Feedback | almost 2 years ago
Hi All
From the admin team, thanks so much for participating in this challenge! We are thrilled with the results, so for us, it has already been a huge success.
At the same time, we know not everything was perfect and it was a hard problem to even get started with. To help us improve and make the next SBB challenges (and there will be more) more accessible, fairer, better, we welcome your feedback on this current challenge.
Feel free to share with us anything you feel could have been done better. We will do our best to incorporate these learnings in future challenges.
Of course, positive feedback is also welcome.
In the name of everybody involved organizing this challenge, THANKS AGAIN!
Train Schedule Optimisation Challenge | Procedure after Challenge ends | almost 2 years ago
Hi guys
Quick info on how we plan to proceed after the challenge ends, so you know what to expect.
A crowdAI representative will contact you with information how you can set up a private Repository on the crowdAI Gitlab, to which you can upload your code and a short documentation (including installation and usage instructions). For those participants that qualify for awards, remember that we require that the code be released under the MIT licence in order to get the award. For all other participants, we still encourage you to make your code public, so the community can benefit. Remember also, that we can award up to five travel grants to the Applied Machine Learning Days in January. So if you give us a chance to look at your code, even if you don't qualify for monetary awards, we may still want to invite you to the ML days and meet you in person.
We will then spend some time to review the code.
For the participants eligible for awards, we would then like to have a short Skype call with each of them. Dont' worry, this is not an exam! It's just that we want to give you a chance to talk about your ideas and algorithms, and also gather some feedback about the challenge itself. During the call, we would also ask participants to solve some of the instances "live". So they should be prepared to do that.
If you have any more questions, fire away. Cheers Julian
Train Schedule Optimisation Challenge | multiple solutions | almost 2 years ago
Hi @Raluca
As mentioned in the other discussion, the best way is to submit the best solution you have been able to obtain in 15 minutes.
We will ask participants to show us the solver "live" before deploying it ourselves. So we would expect that participants are able to reproduce the solutions they submitted.
Also, there is probably no guarantee that 32 cores will be at all faster than, say, 4 or 8 cores. Depending on seeds and other random effects, it could be even slower. Other people have mentioned that the results from a 32-core AWS-machine was actually worse than from the local laptop.
Last but not least, our cloud provider does not specify what kind of physical CPU they are actually using. We can configure a pod with "32'000 millicores", but we don't know what is actually behind this.
Meaning: Don't rely on us to be able to run your algorithms faster than you.
Train Schedule Optimisation Challenge | A Note of Caution for Submissions just before the Deadline | almost 2 years ago
Hi all
Several people have asked when the exact deadline for the challenge is, or have otherwise hinted that they intend to submit their best solutions just before the challenge ends.
Please be advised that our validator service, which checks validity of the solutions and computes their score, is not built to handle a huge load of submissions. If ten participants submit concurrently, it may be enough to crash the service.
And we will not be around at midnight to fix it ;)
We suggest making your final submissions at least 12 hours before the deadline to be sure it's on the board.
Oh yeah, and, Keep rocking!
Train Schedule Optimisation Challenge | cplex | almost 2 years ago
@jordiju yes I am referring to that. We use AMPL mainly because it offers an easy way (arguably) to write mathematical programming problems. Its presolve might or might not help with the solution but generally LP relaxation is solved by cplex/gurobi. If you don't have an AMPL license, we can produce the file that AMPL passes to the solver (with .nl extension) and you should be able to run it using the solver standalone. Does this work for you?
Works. Please make sure to count the time for the AMPL modelling and presolve into the 15min timeout.
Train Schedule Optimisation Challenge | cplex | almost 2 years ago
can we use AMPL to interface with cplex/gurobi as well (sorry if it is asked already)?
I assume you are referring to this. In combination with CPLEX (or Gurobi) this should be fine, yes. I assume you use AMPL to produce the LP-file that is then solved by CPLEX. It would be helpful if you could produce these LP-file separately, if asked to do so, because we don't use AMPL.
Train Schedule Optimisation Challenge | Resource Occupation IDs | almost 2 years ago
so does that mean if a train has 3 different resources, it also means that this train is on a physical track that is shared by other 3 different service intentions?
Hi @zb. Not sure if I understand the question correctly. Typically, our "resources" correspond to the physical section between two signals. Since a train running at full speed needs a whole 'wave' of green signals in front of him, it is normal that a train "occupies" all these resources. That is why it usually occupies multiple resources on a route_section.
If a different train uses the same resources, then yes, that typically means it runs on the same physical track(s).
Train Schedule Optimisation Challenge | a participant must release their solution under the MIT License . | almost 2 years ago
Thanks. I am not sure it was clearly answered in that discussion because it says "you are allowed and encouraged to make it open also to the public" but it is not clear whether to be eligible for prizes you must make it open source. Thus, it sounds more like "A) only to the organizers". In other words, the code should be given to the organizers under MIT so they can use it but the code will not be available to other participants and public in general, unless, the winner desires so. Therefore, I think that "a participant must release their solution unter the MIT License . We encourage all participants to open-source their code!" is a bit misleading and should clearly state either "must release their solution under the MIT License to the organizers" or "must release their solution under the MIT License and make it publicly available". Note that the text "We encourage all participants to open-source their code!" does not clarify this because it says "all participants".
Thanks, I see your point. To be eligible for prizes, you must release your code under the MIT licence and make it code available to the organizers. You are not required to make it available to the general public.
Note that the licencse states "Permission is hereby granted, free of charge, to any person obtaining a copy of this software…" It would therefore follow that one cannot release a piece of software under MIT to one specific party. It is either released under MIT (and then everybody who gets their hands on it is free to use it), or it is not.
We can agree that the proper formulation in the Challenge rule should be "In order to be eligible for prizes, a participant must release their solution unter the MIT License and make it available to the organizers".
I will clarify this part in the rules. OK?
Train Schedule Optimisation Challenge | Solver time | almost 2 years ago
@LeoB, @hur That is certainly an option, yes. We generally do not use AWS internally but our "own" cloud provider. It may be that our instances are slower than an AWS r4.8xlarge (we honestly don't even know what kind of CPU we have under our machines). However, if you can show that it works with an AWS r4.8xlarge, we would certainly accept that.
And, again, if the results are actually worse than from your local notebook - just use the local solution. Don't extrapolate, hoping we would miraculously be able to find hardware that brings computation time down to 15 minutes.
Thanks all!
Train Schedule Optimisation Challenge | Making team | about 2 years ago
Hi @johngull. Sure, it is possible to join as a team. However, for obvious reasons, a team must only submit under one participant-id and each member of the team must not submit as an individual or as part of another team.
You can also start out alone and later have people help you - as long as you keep submitting under the same participant id.
Cheers Julian
Train Schedule Optimisation Challenge | Solver time | about 2 years ago
@hur Yes, we realize the situation is not perfect. Still, I strongly urge anyone to only submit what they have been able to run themselves (locally or on some VM/Pod) within 15min/instance under the given hardware-restrictions. If your results on the large VM were worse than on your local laptop, just use the best solution you have been able to obtain locally. It is unlikely we have better hardware than you, so there is no reason to believe that our VMs would be more powerful than the one you tried.
Generally, the strength of the algorithm is more important than raw computing power. So don't feel too bad if you run your algorithm on 4 or 8 cores only. In many cases - as you also experienced - the performance is even better with less cores.
Train Schedule Optimisation Challenge | Solver time | about 2 years ago
Hi @Raluca there isn't really, no. We cannot prevent participants to upload submissions which took longer than 15mins for some of the intances.
Of course, before awarding any prizes, we will verify the time limits were observed by actually running the solvers. So there really isn't much point for people to submit solutions which would be disqualified later and it would also cause unnecessary work for everybody involved.
We appeal to people's common sense and fair play to not upload submissions which took longer to produce than the allotted time limit.
If someone accidentally uploaded such a submission, please let us know and we will remove it.
Train Schedule Optimisation Challenge | A note on Solution Validation Results: Don't hesitate to ping us if you need help interpreting the validation feedback! | about 2 years ago
I received lots of errors/warnings (see below) when tried to validate the submission. But the same file was successfully graduated when I submitted it. So whats wrong with it?
Hi @Roman Chernenko. The errors you receive should in fact only be warnings, because they are a violation of business rule #101, which says delays are allowed. Somebody already reported this problem (that the validator says "error" when it should only be a warning) a while ago, though I can't find the thread anymore. It was resolved by modifying the 'parameters' in all problem instances. If you pull the latest version of the problem instance files, and then validate again, you should no longer receive errors.
The reason the submission is successfully graded is that when you make a submission, the grader actually has a copy of the problem instance files (which of course we updated to have the new parameters). So there you get the correct result.
TL;DR: just update the problem instance files and you should receive the same result as from the grader.
Cheers Julian
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
Hi all
The example provided by @ms123 pointed us in the right direction. Indeed there is another bug in the way the routing penalty is calculated. A fix will be deployed on Monday. This does not affect the validity of solutions. Any solution that is considered valid by the current validator will remain valid. The only difference will be a possible increase in the routing penalty.
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
However, the solution uses some route sections with a penalty of 1, e.g., 20539#50075, thus it seems the validator may not be calculating the penalty correctly?
Please forward this solution to email@example.com so we can debug. Summing up penalty should be simple, but can't rule out that some bug sneaked in…
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
Hi all
We have added a simple script that basically joins the route_section information from the problem instance to the solution. This way you can easily see which route_sections resulted in how much routing penalty.
You find the script here: https://github.com/crowdAI/train-schedule-optimisation-challenge-starter-kit/blob/master/utils/route_penalty.py
It's quick and dirty and not executable, you have to run it in a REPL or an IDE or copy-paste into a notebook. (If somebody wants to make it executable, pull requests welcome ;) ).
Train Schedule Optimisation Challenge | URGENT NOTICE BY ADMINS: Bugs in Validator. Please do not submit via the Challenge homepage for the time being | about 2 years ago
Can you give an indication, what the problem in the validator was? E.g., was it some "systematic" error in reading the data or so? Because since your update this afternoon, solutions which were valid in the previous validator now are infeasible for me due to resource conflicts, so I probably miss the same thing that was wrong in your previous validator in the moment.
It was a bug in how it was decided whether any two train_run_sections should be compared to each other to see if they cause resource occupation conflicts. Remember, for example, that two train_run_sections from the same service intention are allowed to use a resource without respecting the release_time of the resource. Therefore, the validator does not check a pair of train_run_sections from the same service intention. Basically what happened is that it also did not check certain pairs of train_run_sections from distinct trains. If this pair happened to cause a resource occupation conflict, we did not detect that. So in this sense, it was a systematic problem, although the effect was indeed a little random.
The effect that certain solutions that were previously valid are now rejected is expected. This is why we will also re-evaluate all leading submission on the leaderboard. The detailed validation feedback should tell you precisely which trains on which sections cause the conflict on what resource. I guess your first step would be to take a few examples of the feedback and confirm whether the solution really violates the rules and then try to determine how that could happen in your solver/model.
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
@jordiju but would it be possible to debug with my solution if I send it to you by mail. I just can not find an error in my code and therefor still think the validator might calculate the route penalty wrong. BTW my script agrees with the penalty on all other solution (which I have) except for solution 7.
Sure, go ahead and send to email@example.com
Will look at it tomorrow.
Best, julian
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
but your script does not give any output, where this penalty is coming from, so I guess it is a route penalty? However, can route penalties be fractional?
Yeah, sorry, I realise now that this would be helpful. Unfortunately it is too big a change in the validator to add it now. Maybe somebody could come up with a little script that checks a solution for which sections incur route penalty? We could add it to the utils…
Train Schedule Optimisation Challenge | URGENT NOTICE BY ADMINS: Bugs in Validator. Please do not submit via the Challenge homepage for the time being | about 2 years ago
Update: Issue resolved.
There was indeed a bug in the validator which should now be fixed. You are free to submit solutions again.
In the coming days, we will re-check the submissions on top of the leaderboard to make sure all submissions comply with the rules.
Train Schedule Optimisation Challenge | URGENT NOTICE BY ADMINS: Bugs in Validator. Please do not submit via the Challenge homepage for the time being | about 2 years ago
Hi All
Unfortunately it has been pointed out that the validator still does not catch all errors. Specifically, it can happen that it does not detect a resource occupation conflict in a solution.
A fix is in the works, but can unfortunately not be deployed over the weekend.
After the fix is deployed, we will manually re-check all submissions appearing on the leaderboard to make sure they still comply with all rules.
Until the fix is deployed,
Sorry for the inconvenience caused. We will keep you updated.
Train Schedule Optimisation Challenge | Validator calculating penalty for problem instance 7 wrong? | about 2 years ago
The total penalty is the sum of delay and route penalties. My first guess would be that the difference can be attributed to route penalties.
Unfortuntaley the grader does not print out the details and since routing penalties do not produce warnings, it's a bit hard to follow what exactly the grader does. We will improve it so it prints out the components of the total penalty.
In the meantime: the validation_result object has an attribute 'detail' which contains the individual penalties making up the total. Could you check what they contain? If they don't sum up to 47.183, we would indeed have a problem.
Example: notice the 'minutes_of_dealy' and 'route_penalty' fields. The 'objective_value' must be the sum of those two. ~~~~ print(validation_result)
{'business_rules_violations': [], 'solution_hash': 1538680897, 'objective_value': 0.0, 'details': {'minutes_of_delay': '0.0', 'route_penalty': '0.0'}, 'request_uuid': None} ~~~~
Train Schedule Optimisation Challenge | Challenge Updates | about 2 years ago
Based on the valid points raised by @LeoB and @Palstek in the thread Questions about the Competition Rules, we have added the following condition to the challenge rules.
In order to be eligible for prizes * The solver must generic enough that it is able to handle problem instances that are similar to the nine published problem instances. Custom tuning of the solver to the nine published instances is allowed, but must be within reasonable limits. For example, (hyper)parameter-tuning of an algorithm based on the nine instances is ok. Reading in solutions, or partial solutions, to the problem instances as part of the "algorithm" is not ok.
Train Schedule Optimisation Challenge | Questions about the Competition Rules | about 2 years ago
Follow-up: We have added the following clarification to the Challenge Rules. "In order to be eligible for prizes, The solver must generic enough that it is able to handle problem instances that are similar to the nine published problem instances. Custom tuning of the solver to the nine published instances is allowed, but must be within reasonable limits. For example, (hyper)parameter-tuning of an algorithm based on the nine instances is ok. Reading in solutions, or partial solutions, to the problem instances as part of the 'algorithm' is not ok."
Train Schedule Optimisation Challenge | Reference Value Instance 5 | about 2 years ago
Thing is, if one knows the objective value for the best solution, this information can be used to reduce the search space and (possible greatly) speed up the algorithm.
But in real life you don't know in advance if there exists a feasible schedule, or how much penalty the best penalty will have. So I would actually prefer to stay tight-lipped about what the best penalties are.
If you are asking because you are wondering if your solutions will really be accepted, what I can say is that you may trust the validator. I know, I know, every once in a while we have a problem with it, such as it not recognizing violated connections, but it should be all good now and if you do not receive any ERRORS, then yes, your solution is valid.
Does this answer alleviate your concerns?
Train Schedule Optimisation Challenge | exit_latest error messages | about 2 years ago
@elTuki : Ah, yes, that was indeed the problem traintraintrain reported. We updated the problem instances to allow a max delay of up to 24 hours. Did you pull the repository recently?
Try a pull to get the latest updates and then check the files. You should find the following lines:
"parameters": { "maxBandabweichung": "PT24H" }
probably now it say 'PT5M' instead of PT24H.
Train Schedule Optimisation Challenge | Questions about the Competition Rules | about 2 years ago
Just to add, because this is quite a good question:
If someone tries to be funny and runs a solver for, say, a week, then saves the best solutions, then builds another "solver" that basically just reconstructs these solutions, we would - as you might imagine - not award this.
The rules say "your solutions must be produced from the problem instances by your code". Taken literally, one might argue that a "solver" as described above does not violate this rule.
But, as mentioned, we use common sense when juding the code, and I think everybody would agree that such a solver should not be awarded.
Generally, we would expect that the solvers also work for similar instances that we have not published. This should be a good rule of thumb to decide how far you can go with tuning it for the published instances.
Train Schedule Optimisation Challenge | exit_latest error messages | about 2 years ago
Hi @elTuki .
"Behind the scenes" the business rule 101 is actually implemented with a hard constraint that the delay must not be more than 24 hours for any of the trains. I figured that would be enough delay for everybody. Also, we don't really handle the case when a train crosses midnight - our data model only handles a time-of-day, not a datetime. For this reason we kind of have to insist that all trains can be delayed, but not so much that they are not scheduled on the same day anymore.
If you still get validation errors, my guess is that at least one train is delayed more than 24 hours. Is this possible?
Train Schedule Optimisation Challenge | Questions about the Competition Rules | about 2 years ago
The rules do not state anything about "overfitting". By that I mean tunning certain parameters or even writing special code for certain instances. Is this practice allowed according to the rules?
I see these same problems too. In principle you can just use a terribly overfitted ML-Algorithm that will output solutions that were used during training but would not be computable in 15min with the programmed algorithm.
We realize that. We conciously allow this practice, yes. The reason is that such "overfitting" might actually be a good strategy also in the realy word - for example in a fixed region of Switzerland. So we're interested to find interesting ideas in this area.
Sure, if you just train which CPLEX-parameters are optimal for a particular instance, we probably don't learn much. But we don't forbid it.
Train Schedule Optimisation Challenge | Questions about the Competition Rules | about 2 years ago
Hi guys. Several answers in sequence of your remarks
However given the wall-clock time limit it might be realy hard to make the result reproducable if you give the solver a timelimit after which he needs to stop.
Sure, at the end of the day we will need to use common sense when we evaluate people's code. Many solvers are actually surprisingly deterministic, so reproducing the results is rather easy. If someone's solution is more random, that is ok. However, we will certainly check that we are able to reliably reproduce the solutions a participant submitted in the best submission. By 'reliably' I mean that if we run the code 5 times and get to (or very close to) the best submission of the particpant 4 times, then what would be considered reliable. If it only gets there 50'% of the time, then…not so much.
Train Schedule Optimisation Challenge | Connection times not validated? | about 2 years ago
@iquadrat @Palstek : It flipped back to the new version. Should be ok now. Please try again. I now get Errors: - Anschlusszeit PT2M30S unterschritten for Anschluss 18823[WAE_Halt]{07:07:05} on 19324[WAE_Halt]{07:09}
Train Schedule Optimisation Challenge | Connection times not validated? | about 2 years ago
Hi guys
Indeed connection errors were not detected. The problem was that the solution validator got updated by mistake, and since we started the challenge the data format has changed. It therefore did not check for "connections" since that element does not exist anymore.
We have restored the correct version. I now get connection errors (although for the moment, they are not translated into english yet, it seems): Errors: - Anschlusszeit PT2M30S unterschritten for Anschluss 5059[WAE_Halt]{06:32:35.100} on 19322[WAE_Halt]{06:34}
@iquadrat , @Palstek : Can you verify that you now also get these validation errors?
Thanks for pointing this out!
Train Schedule Optimisation Challenge | Locking of resource by the same service intention and release time | about 2 years ago
Yes, it was for instance 09. It also happens for other instances, e.g., for instance 02 with 20423 and HGO_73. But for all cases except in instance 09, the minimum running time of the section between release and re-acquire is larger than the minimum release time, so it does not really matter.
Great, thanks! I will fix the remaining occurrences in 09 tomorrow.
Regarding the business rule, if we catch all occurrences where a conflict might result while respecting all other rules, it is probably better to leave it unchanged - seeing as people have now worked under this premise for a long time. If anything, we should probably change the evaluator.
Train Schedule Optimisation Challenge | Challenge Updates | about 2 years ago
Hi all
Participant @iquadrat has pointed out an error in problem instance 09. We have corrected it and pushed an update.
Please pull the changes from the starter-kit repo (https://github.com/crowdAI/train-schedule-optimisation-challenge-starter-kit) to get the update.
Train Schedule Optimisation Challenge | Locking of resource by the same service intention and release time | about 2 years ago
@iquadrat : I assume this was in instance 09. That was indeed an error. Thanks for the acute observation!
I have deleted the complete route_path from the route for all odd-numbered 204xx trains and pushed the update for instance 09. Please pull the update.
It is possible you might run into similar problems with different service intentions. If so, please let me know.
Train Schedule Optimisation Challenge | Locking of resource by the same service intention and release time | about 2 years ago
Hi @iquadrat : Is this for instance 09?
Looks also a bit weird to me also. It probably is a train that changes direction on the route_section in between. I have to ask the guy that came up with it. Will get back to you.
Train Schedule Optimisation Challenge | What's up with route [77]877 in problem instance six | about 2 years ago
Hi @LeoB Sorry for the cryptic IDs. There is a service_intention with ID '77]877' and its route has the same ID. That route has a route_section with sequence_number 305 (it's the last route_section in route_path 'Standard'), which has a minimum_running_time of 2minutes and 22s, i.e. 142 seconds.
If you searched for "[77]877" you didn't find it because the opening bracked is missing. You have to search for "77]877". That is obviously a human-caused typo, but we probably shouldn't change the files now.
The problem is that your solution seems to spend less than 142 seconds on the train_run_section corresponding to route_section 77]877#305. In fact, it seems to spend 0 second in this section. That would mean the entry_time is probably identical to the exit_time. Could you check that in your solution?
Train Schedule Optimisation Challenge | Challenge Updates | about 2 years ago
Just wanted to add that we are encouraged by the increasing number of submissions in recent weeks/days. We know this problem is probably not as accessible as many other 'standard' AI Challenges. We really appreciate everybody's effort that tries to make a contribution! Keep up the good work and I hope everybody has some fun along the way, too.
Thanks! Julian
Train Schedule Optimisation Challenge | validate_solution.py returns 404 | about 2 years ago
Indeed the problem was that in the solution file model_03_FWA_0.125_result.json you indicated that this solution is intended for problem instance 07_V1.22_FWA (problem_instance_hash -1799980237). What then happens is that our validator service does not find any problem instance with this hash in its memory - hence the "Resource Not Found" Exception.
What you of course meant was that this should be a solution for problem instance 03 with problem_instance_hash 934543999.
If you correct that, your solution validates and has 0 errors and only the standard "wrong hash warning", which you can ignore. In other words, it is a perfect solution to this problem instance. Well done!
Train Schedule Optimisation Challenge | validate_solution.py returns 404 | about 2 years ago
404 means "resource not found". It would suggest that it cannot find something important. It typically happens when the solution contains an incorrect problem_instance_hash. However, in this case there seem to be other problems. Could you send me both the solution you are trying to validate and the corresponding problem instance? Since attachments are not possible here, you can email them as a zip to email@example.com
I will follow up tomorrow. Cheers Julian
Train Schedule Optimisation Challenge | solution validation | about 2 years ago
@Raluca: Thanks for the files. The problem was that all 286 service_intentions were listed in the solution, but for all service_intentions, the list of train_run_sections was empty.
Naturally, such a solution is not valid. Unfortunately the error message is a little cryptic.
Train Schedule Optimisation Challenge | solution validation | about 2 years ago
@Raluca : That is a method involved in checking that resource occupation rules are satisfied. There seems to be a problem calling it.
Could you post me the problem instance and your solution that produces this error? And, do you get this error consistently each time you try to validate, or only sporadically?
Train Schedule Optimisation Challenge | submission | about 2 years ago
By the way, if someone tries something sneaky like using only part of our sample submission to "augment" their own solutions, we may not notice this at first. But since prizes are only handed out after checking the participant's code, we WOULD find it out at some point ;)
Train Schedule Optimisation Challenge | submission | about 2 years ago
Hi @Raluca
We have marked the submissions, that just use our sample submission as "BASELINE". They still appear in the learderboard, but the "actual" leaders are the first submissions that are NOT marked as BASELINE.
An early version of the grader did not penalize invalid solutions correctly. That has since been fixed. I found one submission, that was not penalized properly and deleted it.
From my point of view, everything should be fixed now. The leaderboard should reflect the situation correctly.
If anyone finds any more inconsistencies, please let us know.
Thanks. Julian
Train Schedule Optimisation Challenge | Problem Instance 2: What's up with BIL and BILW? | about 2 years ago
@LeoB > can I make the assumption that in correct example that the ending_point off one route section is the section_marker of the next route section in sequence?
No, you should not make this assumption. In fact, it's best if you ignore the fields starting_point and ending_point. We use these for visualising solutions, but not during the solution algorithm.
If what you want to do is find the "next" section(s) to a given section, then within a route_path you could simply take the next section according to the sequence_number. In general, once you have the graph as described in route_graph.py, probably the best way to find "next" (or "previous") sections would be to ask the networkx library to do that for you.
You may also look at sorting the route graph topologically. In the networkx graph library, you could do that with this function.
Would this solve, what you are trying to do?
Train Schedule Optimisation Challenge | No 'ende' section | about 2 years ago
Hi @hur . The 'types' are not important. They are purely meta-information and only in the data model for internal reasons. It's best if you don't even look at them.
The correct way to find out what are start and end sections in the route for a service_intention is to build a graph as described in the notebook. Every section starting in a source node of this graph is a possible first section. Every section ending in a sink node is a possible last section.
Train Schedule Optimisation Challenge | Route ID and Service Intention ID | about 2 years ago
It is true that there is redundancy in the routes in the input files, i.e. distinct routes can actually be identical. The model would allow distinct service intentions to use the same route, but this can lead to subtle problems. It is much easier and safer to just give each service intention its own route.
The fact that there are redundant routes in the input file does not make the actual problem harder. When modelling the conflicts between trains, you have to associate to each train its own route anyway. It just makes the input file a little larger, but that should not be a noticeable problem. Where do see performance bottlenecks? Do you do a very expensive preprocessing for each route?
Train Schedule Optimisation Challenge | exit_latest error messages | about 2 years ago
You're absolutely right, it should be a soft constraint. There is a parameter in the problem instances called "maxBandabweichung", which translates roughly to "maximum allowed delay". It seems we actually coded this as a hard rule in the grader. Meaning the grader now warns for delays between 0 and the maximum allowed delay, and throws an error for larger delays.
Will look into it. The easiest solution should be to remove this parameter from the instances. But let me test this first. If it works, I will let you know when the updated instances have been uploaded to the repo
Train Schedule Optimisation Challenge | Leaderboard | about 2 years ago
Hi @mfsahin
There was a bug in the grader, see the post in Challenge Updates. That particular submission contained invalid solutions which were not penalized correctly.
The bug has been fixed. The affected participants have been informed and can resubmit their solutions.
We will also remove the sample submissions (those with a score of 30581.917) from the leaderboard, so they don't clog it up. The platform team is working on a permanent solution for that.
Currently, the best submission produced by a participant is the one from @p0ete with a score of 60001.6
Train Schedule Optimisation Challenge | Time format | about 2 years ago
Hi @satoshi
Milliseconds are allowed. When they are given, they are also considered. This means, they are taken into account when verifying that, for example, the minimum running time on a train_run_section is observed and when checking that the
exit_time from a section is identical to the
entry_time into the next section.
Train Schedule Optimisation Challenge | A note on Solution Validation Results: Don't hesitate to ping us if you need help interpreting the validation feedback! | about 2 years ago
Hi @LeoB Thanks for the submission and sorry for the not-so-helpful error message. In your case, the problem is that you submitted the solution for the 01dummy instance directly. However, the grader expects a _list containing the individual solutions. Just wrap the JSON of your solution into square brackets […] and it should validate. You should then get at least the numeric score for the submission.
We are working on an improved grader that will provide better feedback, in particual in case of errors. It should be deployed early next week. We are also looking for ways to include the detailed validation feedback, so you can access it via the Submissions page.
We will post updates when these improvements are deployed. In the meantime, yes, we advise to use the REST-API to get detailed feedback on business-rule-compliance of an individual solution.
Train Schedule Optimisation Challenge | Accepted Commercial Solver Platforms | about 2 years ago
By request of a participant, we can confirm the following solvers are
accepted: SCIP(open-source mixed integer solver), Gecode(open-source constraint solver)
Generally, all open-source solvers, or even closed-source solvers (as long as they are non-commercial), are accepted as long as they run on Windows and/or Linux.
Train Schedule Optimisation Challenge | A note on Solution Validation Results: Don't hesitate to ping us if you need help interpreting the validation feedback! | about 2 years ago
Hi all
We're seeing some activity in our grader that people use the REST-API to validate individual solutions. That's great!
Remember: Just shoot us a message if you find it hard to interpret what exactly is wrong with your solution. We'll be happy to assist. It is also possible that some German text is not caught in our very basic translation script and is then displayed at your end. In this case, please also notify us so we can extend the translation.
Thanks and keep up the great work!
Train Schedule Optimisation Challenge | Where is the data? | about 2 years ago
Hi @Raphael. Not sure if I understand things properly here. If you want an AI approach, much much more data is needed.
Hi @Çalexàdésirer We are open to any kind of approach to the problem. It does not need to be an AI approach.
As Mohanty pointed out, you can find references to all available resources in the Dataset section.
Train Schedule Optimisation Challenge | Worked Example | about 2 years ago
Hi @Çalexàdésirer . Try the following link: https://github.com/crowdAI/train-schedule-optimisation-challenge-starter-kit/blob/master/documentation/a_worked_example.md
Does this work for you?
Could you point out which link you clicked on (on which webpage) that resulted in a 404?
Train Schedule Optimisation Challenge | Accepted Commercial Solver Platforms | about 2 years ago
In this thread, the admins collect Commercial Solver Platforms that are accepted in this Challenge.
If you use any of the ones listed below as "accepted", your submissions still qualify for the prizes.
If you use any listed as "not accepted", you may still participate in the challenge. However, your submission will not qualify for the prizes.
Train Schedule Optimisation Challenge | loop in sample_scenario | about 2 years ago
Hi @lvb
Great question, I can understand your confusion!
Thing is, we use the fields starting_point and ending_point internally basically as geographical reference markers when plotting the timetable in graphical form, something like this. Having the same starting and end point then means that the train spends some time there, but doesn't actually proceed to the next geographical point. Of course, this typically means it has a stop there.
In calculating the timetable, we never actually use the starting_point and ending_point, it is only afterwards for visualisation.
Now, to actually answer your questions. If you look at route_graph.py, it also doesn't use starting_poing and ending_point, but rather it uses either the sequence_numbers of the sections (which, by some axiom, we promise to be unique in a route), or the route_alternative_marker if there is one route coming together in a node.
As an example, I copied below the output of the route_graph script which lists the node labels it assigns to the nodes for the sample scenario (see the notebook).
You will notice, they are either built up with sequence_numbers or with route_alternative_markers. The starting_point and end_point are not used. The _end and _start suffixes, by the way, are used when a node does not have incoming or outgoing arcs, so we know it is a source or a sink node just from the label.
Constructing route graph for route 111
Adding Edge from (1_beginning) to (M1) with sequence number 1 -> add arc 1. The starting node doesn't have an incoming arc, so give it the name of the section plus the suffix _beginning. The end node receives the label of the route_alternative_marker
Adding Edge from (M1) to (4->5) with sequence number 4 -> second arc. It starts at M1 and its end node receives the label 4->5, which means its (unique) incoming arc has sequence number 4 and its (unique) outgoing arc has sequence number 5. Note that if there was more than one incoming or outoing arc, then we would label the node according to its route_alternative_marker as above.
…and so on…
I hope this clears things up a bit?
Thanks again for the great question!
Train Schedule Optimisation Challenge | Understanding objective function? | about 2 years ago
We're working on a fix for the display. Yes, it is Gitlab-flavored makrdown, which unfortunately does not display on Github.
We're migrating the document to a Jupyter notebook. Should be ready in a few hours.
Sorry about that
Train Schedule Optimisation Challenge | Challenge Updates | about 2 years ago
Dear All
In this topic the organizers will announce updates to the Challenge, such as - when the Challenge Status changes - when documentation / helper scripts are updates or added - other important updates
You can stay up-do-date by subscribing to this topic.
Much Success! - The Organizers
Apparently jordiju prefers to keep an air of mystery about them...

subset: commoncrawl


text:
MUMBAI: The implementation of Real Estate (Regulation and Development) Act, 2016 or RERA has offered hopes to homebuyers across the country, but a few factors still need to be fine-tuned to ensure protection of their rights.
The act provides for penal action against the developer for non-compliance and compensation to homebuyers in case of delay in delivery.
However, the mechanism for completion of stuck projects, if the developer is unable to do so, needs to be spelt out as possession of properties is the final relief for home-buyers, experts said.
More than 800 housing projects in the country are facing long delays of three to four years, with projects in Punjab and Haryana witnessing maximum delay of 44-48 months, a recent study showed.
Legal experts say RERA provides for homebuyers' security towards quality and delivery at additional cost, as developers would pass on the cost of insurance, liability towards structural defects and risk of delivery to buyers. But, this too is for only for new and future projects after the implementation of RERA.
" For ongoing projects, the regulator should utilise the provisions of the act to facilitate closure of delayed, particularly cash-strapped projects or projects suffering due to delay in approval process, to provide relief to ultimate purchasers.
Attempting to merely fine or imprison developers would not help the ultimate purchasers. Regulators should act as facilitators," said Sudip Mullick, Partner, Khaitan & Co.
Over the last few months, several promoters of real estate companies including Unitech and Casa Grande were arrested for failing to handover possession of homes in their projects despite taking money. While these punitive actions are necessary as it will act as a deterrent against any such defaults in the future, it may not result in delivery.
Experts have been suggesting that apart from punitive action against developers, a solution needs to be devised to ensure homebuyers receive possession of their apartments.
"Although the act empowers homebuyers first right to complete such projects, they, in all probability, lack the core competence required for the activity.
The government and the regulator should help facilitate the completion of the project by incentivising the activity for competent players," said Samantak Das, chief economist and national director, Research, Knight Frank India.
Das said the roadmap for buyers stuck in delayed projects where developers are ready to face the strictest punishment of imprisonment is not clear. There have been instances of similar nature in the recent past and buyers are still stuck with incomplete projects.
"The issue needs serious discussion and a mechanism such as a distressed fund devised to avoid plight of homebuyers on this count," said a government official on condition of anonymity.
A homebuyers' pressure group, Fight For RERA, has already recommended that a committee be formed to come up with a Satyam Computer-like solution to provide reprieve to homebuyers whose life-time savings are stuck in unfinished projects.
"Of the projects that are already stuck, about 30% will be in cash deficit category or the builder is not serious about completing it.
Finding a new developer to complete these projects can be a challenge. The government should identify such projects quickly and start investigation so that other assets of the company can be monetised to take these projects ahead," said Abhay Upadhyay, National Convenor, Fight For RERA.


text:
From MemphisShelbyInform.com comes this analysis of the smart meter situation. Take a look at what he says about the time of use rates: "They want 80% more (in rates) from noon to 8 p.m. during the summer."
The question is not should we buy 60,000 smart meters. The real question is should we buy any smart meters.
There is one benefit of smart meters that the MLGW claims that is true and that is less meter readers. Regardless of what the MLGW says, The Federal government through TVA will be calling the shots and it is about control and your loss of freedoms. Nationally, smart meters have delivered unemployed meter readers and a deluge of meter data that utilities have no idea what to do with. They delivered little or nothing of value to the consumer. The smart meter also delivered a public increasingly soured on the smart grid, which came to be perceived as a "bait-and-switch" by industry and politicians.
It is a question of Trust. Do you trust the MLGW, the City Council, the Tennessee State Government, the TVA and finally the National Government? I trust my neighbors and fellow ratepayers. The savings promised by MLGW is pie in the sky. This is part of the green agenda and we know how well that has worked with Solyndra and other failures and insider deals. The real snake in the grass is Time of Use Rates. Take a look at the proposed time of use rates (compare with the current rates) which the MLGW is asking for tomorrow at the City Council committee meeting. (12:30 PM). They want 80% more from noon to 8 PM during the summer.
If smart meters could be used with no time of use rates allowed, then I say OK. But $215 million plus plus is a lot of investment with nothing but promises of a rainbow pot of gold in return.
Time of use rates should be only upon a local ratepayer referendum. I trust my neighbors and fellow ratepayers more than I trust politicians and their promises. Let us kill this proposal for now and see how smart meters go around the country and what happens there, study the savings, if any, and the results. Don't give up your freedoms for false promises.
Some of the attendees at last Thursday's MLGW board meeting had interesting comments to share.
Foremost is the opt out/opt issue. At the previous meeting, which I intended, the board showed itself amenable to letting customers opt in rather than opt out. It may seem an insignificant matter, but it is really about freedom of choice vs. an imposition of will. Now, the board is backtracking and saying there will be an opt out only. MLGW chief Jerry Collins proposed a Citizens Committee, but how much power would it really have? It would probably be toothless.
Attendees also told me that MLGW executives were curt, dismissive, smart alack and refused to let a union member see what was going on, going so far as to draw curtains to keep him from viewing or filming.
This behavior is far from reassuring from an entity that claims it is a public utility.


text:
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text:
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text: Andrew Balazer is an associate and intellectual property lawyer with Foley & Lardner LLP. His practice focuses on patent-related matters, including building global utility and design patent portfolios, product clearance studies and opinions, and intellectual property transactions and licensing agreements. Mr. Balazer has experience in a wide variety of technologies and industries, including energy storage and delivery systems, automotive safety and powertrain systems, medical devices, and consumer products. He is a member of the Mechanical & Electromechanical Technologies Practice and the Automotive Industry Team.


text:
We'll Soon Have Another Points Hotel On The Las Vegas Strip
There was a time, not all that long ago, when the Las Vegas strip was pretty much devoid of any properties at which the mainstream points currencies could be "earned and burned". There was a Westin just off the strip (opposite Harrah's) and then Marriott built its "Grand Chateau" timeshare property on Harman but, other than that, there weren't really any other options.
Save Up To 20% At Park Inn And Country Inn & Suites With This...
Yes I know that Park Inn and Country Inn properties are not at the top of a lot of people's "must visit" lists but this Amex offer may actually be useful to anyone looking to make the most of Radisson's 1Q promotion.
Radisson Opens Two New Hotels In Abu Dhabi…And They're Worth A Look
Radisson and its loyalty don't get much love from a lot of us because, frankly, the hotelier's offerings here in the US are at best mediocre and more often than not a grave disappointment. Quite simply there are usually better places to stay for the same outlay. However, outside the US things aren't the same and Radisson has a number of properties that are well worth checking out....especially if you're traveling in Europe.
Get A $25 Gift Card & 5% Off With Radisson's "Treat Yourself" Promotion
It was only on Monday that Radisson launched a double points promotion on stays of two or more nights and already the hotelier is back with another attempt at persuading guests to stay for more than just a single night.
Up To 33% Off Radisson Weekend Stays Through 31 August 2018
Radisson has launched yet another promotion and this time it's aimed at travelers looking to stay in Europe, the Middle East or Africa between now and 31 August 2018. As is getting more common with Radisson, the rules aren't as straightforward as one might hope so make sure you read the T&Cs before booking.
Radisson Hotel Group & Radisson Rewards Launch Promotions (One Each)
Radisson Hotel Group is the new name for what was once Carlson-Rezidor and Radisson Rewards is the new name for the Club Carlson loyalty program. Not too much has changed with the hotel group (except for the name and a reshuffling of premium properties) while the transition from Club Carlson to Radisson Rewards has seen the loyalty program tweak its rules here and there to make them both a little better and a little worse.
Radisson Hotels Group Launches "Radisson Collection"
It's all change over at Radisson with what was once the Carlson Rezidor Hotel Group now rebranded as "Radisson Hotels Group" and with the Club Carlson loyalty program now rebranded as Radisson Rewards and slightly tweaked at the same time too. Now Radisson Hotels has announced the Radisson Collection which, according to the hotelier, is a premium collection of hotels in landmark locations.
Club Carlson Is Adding A Hotel In Venice
Club Carlson used to be a very good loyalty program back when the top-tier properties cost just 50,000 points and when the Club Carlson credit card gave you a free night with every award booking....but that was a while ago. In the US Club Carlson has very few properties that are worth a second glance (although the Radisson Blu Aqua hotel in Chicago is good) and, if we're being honest, the chain doesn't exactly have an abundance of aspirational properties elsewhere in the world either. But there are a few properties that can be useful (usually in Europe) and, as those of us with the Club Carlson Premier Rewards Visa card get 40,000 points each time we renew the card, it's always good to have a new property at which to spend those points.
Club Carlson Promotion: Double Points or Double Nights – Which To Choose
Club Carlson is the last of the major hotel chains to reveal its year end global promotion which will run through to 31 December 2016. As will most major hotel promotions registration is required before the end of your first qualifying stay and you'll have to decide which bonus you want to receive (double points or double elite nights) at the time of registration.
One To Consider: Buy Club Carlson Points & Get A 75% Bonus
Club Carlson (the rewards program for the likes of Radisson Bu and Park Plaza) has launched a new promotion that gives members until 30 October to buy Club Carlson points with a 75% bonus thrown in. In essence Club Carlson members are being sold Gold Points for 0.4 cents each and this could be a promotion worth considering.


text:
A 27-year-old man was killed and three others were injured when a fire broke out at a gym in Thane after the compressor in an AC unit burst. The fire brigade rushed to the spot before the fire could spread to nearby buildings, and managed to contain the blaze.
The incident occurred in 'The Gym' on Tuesday afternoon, fire officials said. "The establishment is located on the first floor near Siddhachal Club, and is run by Ajit Manikrao. One of the AC units burst and caught fire near one of the machines on the far end of the gymnasium," said an officer from Chitalsar police station.
According to the police, smoke had spread inside the closed space before the fire brigade and other rescuers could enter the building. "We brought out four people from the premises, one of whom was declared dead by the Thane Civil Hospital," an officer investigating the case said.
The deceased has been identified as Sageer Ansari, the police said. "Three men were rushed to the hospital, where they were treated and are currently stable," said the officer.
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originally posted in:Destiny Reset
With recently announced changes to how clans will function in Destiny 2, we will seek to adapt and evolve our clan system to best fit our engaged membership. Moving forward into Destiny 2, our plan is as follows: 1. The original Destiny Reset Group/Clan will be retained as only a group, and its clan status will be retired. It will act as a portal on Bungie.net for existing and interested community members. 2. Existing "Subclans," those clans with designations such as "Destiny Reset Felwinter" will be completely retired and disbanded. In D1, these clans were able to form an "alliance" with the Prime clan and in turn use the "DRP" tag. This feature will not exist in Destiny 2. 3. 6 new clans will be created to house our currently active/engaged membership that wish to play together and receive "Clan Rewards" as promised for Destiny 2. 3 on XBox 1, and 3 on Playstation 4. They will be lead by 6 established community leaders, and will start out with a simple designation of "Destiny Reset (color)". The leaders are: Shotpackage (PS4): Destiny Reset Blue Mattiemisfit (PS4): Destiny Reset Purple Davis (PS4): Destiny Reset Green akaMannyg: (XB1): Destiny Reset Yellow JoeMieden: (XB1): Destiny Reset Red DarthDigits: (XB1): Destiny Reset Black 4. These clans will be console specific, and will adapt certain activity standards for membership. These guidelines will be announced in the near future, but essentially you should only join a clan if you plan to be an active member in Destiny 2. Clan membership in Destiny 2 will be limited to a total of 100 members. 5. Signups for existing DRPfam members will begin Friday, 8/11 and will extend through Friday, 8/18. A public google spreadsheet will be available for you to view and decide where you would like to enter as a member. We encourage you to discuss within your existing fire teams, raid teams, and social circles to decide who you plan to play with the most to maximize your clan rewards and experience. You can then sign up where you would like to reside. We will attempt to "load balance" the clans to ensure that they have room for growth after the launch of D2. If you would like to bring players that are not currently active or have never been active in the DRPfam community, you should first discuss their application with the leader of the clan you are planning to join. If you do not care/do not have established relationships to the available options, there will be a tab for "free agents" where we will place you in an available spot. 6. After signups have concluded, the clans will be created on Bungie.net and allow accepted members to join between 8/19-8/21. After 8/21, membership will close for a week. The clans will then be converted into Destiny 2 clans to prep for the new systems to go live after 8/23. 7.After a trial period post-D2 launch, clans will be allowed to elect a new name heading for their clan, to fit the format of "Destiny Reset (In-universe noun)". FAQ: Q: What about PC Clans when Destiny 2 releases in October? A: We will cross that bridge in October when we know more about how clans in Destiny 2 work and how many players in our community plan to play on PC. Q: What if I decide later that I would like to move to another DRP clan? A: We expect there may be some movement after people get settled, but we would like you to do your best to find a home now. If later you find you would like to join other DRP friends in their DRP clan, you will be welcome to do so if there is room. Q: Why do the clans have a color as their name? A: Our goal is to make the names of the clans, at least at the start, mostly neutral. We don't want people to join groups because of aversion to or preference for a certain class, name, designation, etc. It should be based primarily on relationships. Q: What if the 6 clans fill up? Will there be enough clans? A: Based on the number of current clan members and the number of active clan members, we believe these 6 clans will be sufficient to get us started. If we find otherwise, we have candidates for clan leaders and will react appropriately to ensure that everyone who wants to take part, can. Q: Will there be channels in Discord for each clan? Can we start a Discord server just for my clan? A: At the start, we will not have separate channels for each clan. We have been led to believe there may be a chat function in the new clan tools that clans can use to set up activities. If we find that they are in high demand, we will reconsider this. Our goal however is to ensure we still have unity across the DRPfam. People can still play with other outside their clans and so the existing LFG channels will remain as is for the near future. We have mandated that each clan will use this Discord server for their needs, to promote unity and keep things simple. Q: Do you love me Cyborg? A: Of course I do, baby. If you have further questions, we will be opening a "Clan Signups" channel tomorrow in our discord server (for discord link see "Welcome New Members - DRP / #DRPfam Link Hub (Discord Link)".) where you can ask any @#DRPfam Ambassador or @#DRPfam Admin Team for help. We look forward to a smooth and fun transition into Destiny 2 with you! [spoiler]Moderator edit: This thread has been updated with tags that are more appropriate. Feel free to private message the moderator who moved your post, link to topic, for further clarification about why this topic was moved.[/spoiler]
Posting in language:


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Our housekeeping team are some of the hardest working people on Resort and are always there to greet guests with a friendly smile. We caught up with some of the bungalows housekeeping team for a chat to find out more about what they do, working in all weathers and how clean their own house is…
How long have you all worked at Potters for and which block do you look after?
Trish: "For ten and a half years and I look after L58 block."
Dawn: "Seven years and I have F1 block."
Mandy: "Three years and L109."
Issy: "Seven and a half years, and L117."
How many rooms do you look after?
Trish: "We have eight bungalows each but Dawn has family rooms, so has eight."
Mandy: "We also help when people are on holiday so sometimes do more, and sometimes we even help with hotels too."
What hours do you work?
Issy: "9.30 to 2.30 on changeover days and a service is generally 9-12. We work six days a week but get in an hour before so we can load the trolley and also we like to have a chat before we start."
What is the best part of working as part of the team?
Dawn: "The team. We work independently but always catch up first thing and we have such a laugh and get on so well. We do all work really hard though."
Trish: "It's also talking to guests and many of our Midweek Break guests in particular love a good natter, especially those who come back every year, but it is lovely to have that rapport with them."
Mandy: "It is also the banter we have. There is a gentleman who comes every year and he always brings his fishing gear. He always jokes he is going to catch me a fish and this year he gave me a book on fishing. I cut out some of the photos and stuck them to the headboard in his room. He absolutely loved it and rolled about laughing."
Issy: "Paul Reaney, our football coach and ex Leeds player, is in one of my rooms on family breaks and when Norwich beat Leeds at football recently I stuck a Norwich flag in his room. You could hear his reaction from ages away. He is always a good laugh."
What do you have to load on your trolley?
Dawn: "We have towels, pillows and sheets, toiletries, coffee and tea, laundry bags, shower curtains and bath mats, toilet rolls, chemicals and paperwork too. Also we have to get the hoover too."
Trish: "John the porter will also come on his buggy to collect the rubbish and drop-off any extra bits we need."
Mandy: "We also work through so take a drink and a snack with us too."
What is the hardest part of your job?
Mandy: "It is making sure everything doesn't get wet as we are outside in all weathers."
Issy: "It is also physically demanding too, so is a good workout but it does get hot in warm weather."
Trish: "Also making sure we do thinks in time as we have half an hour for each room on changeover day and 15 minutes for a service, but so many people want to talk to us."
Dawn: "I don't think people realise that we do outside the rooms too, so cleaning the frame and door."
What are some of the things people leave in their rooms?
Issy: "Phone chargers are quite common and you always wonder what will be in a room when you open a door, especially on a drinks inclusive break."
Dawn: "Once there was a frog in a bathroom, so I had to get it out and also we have had ducks around this summer and one got into a room."
How clean is your house at home?
Mandy: "We have no time at home after doing this all day at Potters!"
Dawn: "We always say that the bungalows are cleaner than our own houses."
We also caught up briefly with Jo, assistant housekeeping manager: "Our team work incredibly hard and we know our guests appreciate them as much as we do, often naming them in feedback forms and giving them thank you cards. We do try and do fun things with them to show how valued they are, like picnics and doing things for Red Nose Day, having a housekeeping day on Resort and we also take them some ice pops when the weather is hot. We also got them some neck fans too to try and keep them cool as it is a physical job. Of course, we also have our laundry team too who do a fantastic job."


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Breaking news. Andy Skurow has just posted on his FB that Edna Wright has died. More details to follow.
Breaking news. Andy Skurow has just posted on his FB that Edna Wright has died. More details to follow.
Oh wow, that is terrible news. She was such an underrated singer. Rest in peace, and thoughts to her family.
What?! Say it aint so! This year will not let up.
Oh no. This can't be true. I had a major crush on Edna. (I found that over bite sexy as hell.) SOULFUL TAPESTRY still gets played regularly . I'm sick to my stomach.
RIP Ms. Wright.......thank you
Terrible news! I loved Honeycone in their heyday.
Oh no! Honey Cone was such a great group even though for a very short time. Edna was such a great singer. Isn't she the sister of Darlene Love? How sad this is.
Rest In Peace Edna Wright. Thank you for the music.
My heart sank as this news came across my social media timeline. Ms. Wright was always a favorite of mine...such an unheralded powerhouse. Sending love and light to the Wright and Perry families.
So very sorry to hear about Edna Wright. RIP Edna & Prayers for her Sister Darlene Love & the Wright Family.
I think I've already said this more than a dozen years ago here but I'll repeat it. I've
always loved Edna's vocals more than her sister Darlene. So much fire.RIP, Edna
and thank you, thank you, thanks...
Does anyone have any idea when the last performance live was by the original group? I haven't heard much about them in recent times.
This is very sad. She toured with a Honey Cone Group in recent years and Shelly had one going too. Then it all just seemed to stop. She and Shelly did at least one show together a few years ago that has been on you tube. What a talent she was.
Terrible news. No one should outlive their siblings. Condolences to Darlene and the rest of the Wright family.
When you think of Honeycone, their three biggest hits come to mind...Want Ads, Stick Up, and One Monkey, but I also really liked Sittin On a Time Bomb and an album cut entitled A Woman's Prayer.
Darlene and Edna attended the same church I did back in the day but not at the same time. My mom sang in the choir with them. The minister of music who directed them back in the 50s was same lady who directed me from 1979 until she passed in 2005. She said that Edna had the better voice but Darlene had personality that Edna lacked at the time so Darlene got more shine. But both are fantastic singers
Edna was so special
The Day i found myself by Honey Cone is one of my all time faves songs.
I love the overall message and the harmonies and song structure. HDH brilliance. A lost # 1.
Pat St. John paid tribute to Edna Wright on his Sirius XM show today. Because he's on the 60s channel, he couldn't play Honey Cone's biggest hits from the 70s, but he did play "While You're Out Looking for Sugar", which he mentioned was the very first record on the Hot Wax label from 1969.
That was a cool song too. In fact that entire album was solid for a debut.


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Please Note:
Glide is temperature sensitive, so do allow for some variation in consistency according to fluctuations in ambient temperature. It will always melt quickly with body heat, so regardless of the climate, Glide is ready for play.
Occasionally the product may not be perfectly smooth due to heat exposure during delivery. This does not affect its use at all, but if you prefer the smoother look, simply place the container in some warm water to allow the glide to melt, give it a stir and place in the fridge to set.
Cold-pressed Coconut oil*, Shea butter*, Cacao butter*, Beeswax, Fair-trade Cacao powder* and Vitamin E oil.
It is safe for use with silicone.
This product is Beegan.


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HANOVER, Ind. – With four games remaining in the regular season, the Hanover women's basketball team will look to secure its spot in the HCAC Tournament and improve its positioning when they host Earlham for a mid-week meeting.
Hanover (13-8, 9-5 HCAC) welcomes previous Panther standout Shauna Watson ('15) and the Earlham Quakers for a 7:30 p.m. tip, Wednesday, Feb. 7.
THE TEAMS: After dropping its final three outings in January, the Panthers returned to their winning ways last Saturday, defeating Anderson 88-67 for their sixth win in the last nine games. Hanover has matched its overall win total from last year and is just two wins shy of matching their 11 conference victories in 2016-17.
Prior to the three-game setback, all of which came to the top three teams in the HCAC standings, Hanover had won five straight, while averaging 83.0 points per contest and giving up just over 65 points per game. For the season, HC is the only conference team to average more than 70 points per game, 72.8, which is also among the top 50 in the country.
In eight home games this season, the Blue and Red have produced a 6-2 overall record and 4-2 mark in conference action. The Panthers' top three scorers this season have been even better at home this year, as junior Claire Cromer (Wabash, Ind.) and sophomores Maleha Motter (Danville, Ind.) and Alexis Nall (Mount Vernon, Ind.) are combining for over 40 points per game inside Collier Arena. As a team, HC is scoring 74.6 points per outing, five more than their average on the road.
After a slow start to the season, Earlham has won four of their last six, improving to 5-16 overall and 5-9 in the HCAC, as they are currently in the mix for one of the final spots in the conference tournament. Unfortunately for EC, the team is just 2-10 in games away from the Druley Performance Gymnasium this season, averaging close to 56 points per contest.
Scoring 56.7 points per game overall, Zoe Curtis leads Earlham at 12.3 points per contest. Mariah Flynn is adding 8.8 points and a team-high 6.0 rebounds and 0.8 blocks per game, for the Quakers.
THE SERIES: Winners of three straight, Hanover has also won 14 of the 15 meetings since the start of the 2006-07 season. The Panthers earned an 86-75 victory in the first contest this season in Richmond, Ind., and each of the last three wins over the Quakers have been by double-digits. The last time HC and EC met in Collier Arena, the Blue and Red won the Feb. 11, 2017 meeting, 93-71.
LAST TIME OUT: Hanover jumped out to a quick lead and four players scored in double figures during an 88-67 triumph over Anderson, back on Feb. 3. The Panthers outscored the Ravens 56-28 in the first half, posting their highest scoring half of the season.
Senior Allison Nash (Speedway, Ind.) tallied a team high 13 points off the bench, as she and Katie Hartman (Madison, Ind.) combined for 23 of HC's 50 bench points. Motter and Nall each added 10 points in the starting lineup for the Blue and Red.
UP NEXT: The Panthers will close a four-game home stand by welcoming Manchester for a 5 p.m. start, Saturday, Feb. 10. Hanover defeated the Spartans on the road earlier this season, 81-62.
Contact: Tyler Jester


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What do you look for in luxury hotel? You might look for:
- Comfortable mattresses providing you peaceful sleep
- Delectable breakfast options
- Panoramic view outside the window
You would look for all this and more in a luxury hotel stay. However, you should rest assured that everything comes with a hefty price tag at luxury hotels. You may dream for such lavish stay, but can you afford it?
When you look forward to planning a vacation with your family, you would give special thought to accommodation. It would not be wrong to suggest that accommodation would take half the amount of your vacation budget. Therefore, you should be prudent in your choice of hotel accommodation.
Luxury hotel stay at affordable price
Do you wish to indulge in luxury hotel stay? Do you wish to save your money on luxury accommodation stay? Find below few important aspects to consider when booking for luxury hotel stay at cheap price.
- Avoiding hotel booking websites
Most of the hotel booking websites would increase the price of the hotel and then slash the price half to make you feel you have earned a discount. In between, they would earn a huge commission as well. Therefore, you should avoid the hotel booking websites and deal with the hotel directly.
- Avoid booking super deluxe rooms and suites
When booking a hotel room, you should look for normal rooms, as they would be as posh as other available high-end rooms. All rooms would be spacious, offering cozy mattress, homely interior and superior room service. No point spending money on high-end rooms offering almost the same services for higher price.
- Picking hotels in financial districts
You would be surprised to see the prices offered by hotels in financial districts. These have been specifically designed to serve business travelers traveling regularly for conferences, meeting and other official purposes. You should search for luxury hotels in financial districts to avail the best price for luxurious stay.
- Travelling during off season
It has been a time tested tip for frequent vacationers. In case, you wish to make the most of luxurious rooms, you should look forward to travelling during off season. The price of everything would remain low in the region, inclusive of the price of accommodation options.
You could make use of the aforementioned tips for hiring le meilleur hébergement à Bromont despite being on budget vacation.


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The rain reminds us that God's spirit also can saturate our whole being
Meteorologists say droughts only end one way — in a flood. While flooding has devastated people in Texas and Mexico, the rain has brought much-needed relief from the drought.
There is danger and healing in these waters. For better or for worse, the words of Scripture have come to fruition before our eyes.
"He turns the desert into pools of water, a parched land into springs of water" (Psalms 107:35).
Everything is greener. The grass in my backyard has stopped receding from the fence line. Gardens are sprouting around town. Creepy crawly bugs gush up from the fertile ground now too saturated with water to hold its former residents. Spring is here.
This is the kind of imagery we would love to describe our spiritual lives. We would love for God's spirit to saturate our whole being so much that the life-giving waters of the divine flow out of us and splash all around us.
Unfortunately, this spiritual feeling is fleeting. There are times when we do feel this spiritual saturation, yet there are times we feel parched, dry and deserted. Meaning in life seems undefined. We yearn for control of our lives, and we find ourselves thirsty for purpose.
For years, a young man struggled through life trying to find meaning. He had experienced heartbreak. He had experienced failures. He was crying on a bench in the middle of a garden when he thought he heard a child's voice in the distance repeatedly say, "Pick up and read. Pick up and read." Upon hearing this, he remembered he had his Bible with him. Reading Paul's Letter to the Romans that day in the garden changed his life.
St. Augustine would never be the same.
He became one of the most celebrated and influential intellectuals of western civilization. Augustine's writings are classics. His theology has shaped the Christian church for more than 1,500 years.
His life was parched and aching for relief. Yet his desert was turned into a pool of water that day in the garden. Indeed, Augustine even compared God to a vast, infinite ocean, one larger than the seven seas combined. Think of the whole cosmos as a tiny sponge thrown into the immense sea.
We are specks on that sponge immersed in God.
We may not feel this saturated all the time. But there is a fountain within us that gushes up with the waters of the divine. And it flows most often in moments of awe and thanksgiving, though the moisture of God's saturating presence is around us even in the worst moments of our lives.
Rain is beyond our control. My iPhone weather app is always wrong. It rains on days with the sunshine icon and shines on days with the thundercloud icon.
Abraham Heschel once said modern society "fell into the trap of believing everything can be explained, that reality is a simple affair which has only to be organized in order to be mastered." If everything could be explained, I would not have to curse my weather app so often.
Heschel and Augustine would encourage us to add a little wonder to our agendas. Be encouraged by mystery. Life is not to be solved but lived in the fullness of all the goodness creation has to offer. Take a moment to be soaked in the rain — on purpose.
Give thanks. Rest in awe. Splash in a puddle. Rain or shine, we need to be saturated in awe and thanksgiving to remember where we are. We are swimming in God's vast, infinite ocean. Remember that when the rains come again.
Garrett Vickrey is senior pastor of Woodland Baptist Church, woodlandbc.org.


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At the end of Sunninghill Road is Lot 7, a block of 42.3 hectares / 104.5 acres (approx), heavily bush covered with 2 dams and new fencing of wire, netting and barbwire.
From Goulburn take Windellama Road, turn left into Bullamalita Road, then right into Lumley Road, left into Jacqua Road, then right into Sunninghill Road.
Or, from Goulburn take Windellama Road, turn left into Lumley Road, right into Jacqua Road, then right into Sunninghill Road.
From Sydney turn off the Hume Highway to Bungonia then take Oallen Ford Road, turn right into Jacqua Road, left into Sunninghill Road.
This information has been provided to us by third parties and we do not accept any responsibility for its accuracy. You should make your own enquiries and check the information so as to determine whether or not this information is in fact accurate. You must make your own assessment and obtain professional advice if necessary.


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Casa Doina Restaurant is one of the most elegant restaurants in Bucharest, being housed in a historical building dating from the 18th century. Fully renovated in the 2000s, the restaurant offers its guests a maximum of comfort and modern facilities, while enjoy the special atmosphere created by this rustic architectural jewel.
Ideal for any type of event, the restaurant has indoor and outdoor seating, providing its guests with a wonderful and comfortable dining and social experience throughout the year. Ion Mincu Salon & Terrace is dedicated to the Romanian architect who designed the building as a pavilion for the Paris Exhibition in 1890. The Romanian Salon, built under the form of a wine cellar, as well as the three outdoor venues, the Pergola & Restaurant Terrace, the Pergola & Terrace Bar and the Summer Garden, are a great choice especially during the hot summer days.
The à la carte menu and the rich wine list comprise a wide selection of dishes and beverages which will charm your taste buds. Here are some of our recommendations for an excellent dinner. Start with a selection of country style cold cuts with smoked chicken, duck breast, roast beef with herbs, ham, cheese and vegetables. If you come here with your loved one, impress him or her with pockets of eggplant filled with smoked salmon, Manchurian caviar and Roquefort basil sauce, which will definitely make a good impression. For the main dish try a portion of grilled beef fillet marinated in butter served with fries and béarnaise sauce, accompanied by a glass of Fetească Neagră wine. The dessert offers numerous delicious options, but we would pick the excellent blueberry pancakes with Ricotta cheese.
From an elegant atmosphere to the impeccable service and from the sophisticated dishes to the fine drinks, Casa Doina is the perfect place to have a special dinner or to organize a private event in your life.
Opening Times:
Monday – Sunday: 11:00 – 01:00
Reservations are recommended. Visa, MasterCard and American Express credit cards are accepted.
Reservation enquiries and other queries can be sent directly to Casa Doina Restaurant with the form below.
How to get there:
Casa Doina Restaurant is situated very close to the Victory Square, within 5 minute walking distance from the Museum of the Romanian Peasant and the Grigore Antipa Natural History Museum.
Kiseleff Road, no 4
Tel +40 212 226 717
Fax +40 212 226 718
Casa Doina Website.


text: Human life is a battle field, only hardwork yields to sucess. The ideologies of Arunima Sinha- the first Indian female amputee to climb Mount Everest and Jadav Payeng-Forest Man of India should be an inspiration for the students. This was observed by Dr. Dilip Baruah Principal of Tangla H.S school at Arunodoi Junior College of Tangla on Monday. Attending the freshmen social ceremony of the pioneering junior college of the town Baruah exhorted the students to march ahead with strong determination. He further observed that education should be one which provide life and livelihood . The freshmen social ceremony presided over by Pranabjyoti Das Principal of the academy also feted a total of 24 students of the academy with phulam gamocha and certificates who have made foray into prestigious medical,paramedical and engineering colleges including IIT's ,NIT's across the various parts of the nation. Lakhi Kanta Ramchiary President of Management Committee also spoke on the ocassion . The event was lively with performance of the students. Abdul Manan faculty of the academy enthralled the hall packed gathering with his mesmerizing voice.