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Some early, early draft grades.
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tony hipchest
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Re: Some early, early draft grades.
i like the grading articles. if nothing else it helps commit players names and their teams to memory. 2 B's for the steelers. i guess some think their draft was a little more than average.
and now the anti draft grade article. everybody gets an A!:
Lessons learned from the draft
By Pat Kirwan
NFL.com Senior Analyst
(April 30, 2007) -- The day after the draft and everyone wants to declare the winners and losers. Not so fast. As I spent every waking moment with the 'Godfather' of the draft, Gil Brandt, we both decided that the teams are doing such a great job of evaluating talent and stacking their draft boards with a clear understanding of what value is that a couple of things rang true this weekend.
Calvin Johnson was too big a talent for Matt Millen to pass on.
1. If there is an elite player in the draft at the top and you have the pick, just take the player no matter what your history is. I talked with Lions coach Rod Marinelli soon after their selection of receiver Calvin Johnson and he made it clear that past history didn't have one thing to do with the selection. Johnson was the best player graded in the draft process and the Lions were not going to pass the opportunity to select him just because Mike Williams and Charles Rogers didn't work out in the past. Not enough credit was given to general manager Matt Millen for doing the right thing.
2. If a player you want is a few spots away, pull the trigger on the trade -- no longer can you sit back and hope a player falls to you. The Jets targeted cornerback Darrelle Revis weeks ago, and when they got within 12 picks, they made the call. We are in an era of making a move in the draft or lose the player you want.
3. Teams know when the talent pool at a certain position is lean, and if you need a player from that pool, go get one. The left tackle position had only a few top players and two teams were willing to give next year's first-round picks to get one -- the 49ers, who took Joe Staley, and the Colts, who wanted the last quality left tackle left on the board and gave away next year's first-round pick, which should be about selection No. 30, for Tony Ugoh. When Arizona took Levi Brown at the No. 5 spot, the ability for the Redskins to trade their pick at No. 6 slipped tremendously. Washington still got a great player in safety LaRon Landry, but if teams were giving first-round compensation for the other tackles, then Brown could have been a windfall for the Redskins.
4. Hard to believe that LSU and Ohio State both had two receivers drafted before USC had either one of their receivers drafted. Is it possible Dwayne Jarrett and Steve Smith would have been bench warmers in Baton Rouge and Columbus?
Finally, the draft isn't an exact science but it is getting closer all the time. Gil Brandt beat me once again in predicting the top 100 players drafted.
Gil had 88 of the top 100
and I had 81. I'm getting closer, but beating the Godfather of the draft probably will never happen for me. The biggest and most impressive treat for me every year is sitting through the entire draft with
Gil, who knew every player without looking at a note.
88 out of 100. thats pretty impressive.
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It's First Friday in Downtown Dayton. There's holiday shopping, live music and more. As you are wandering around you will be hearing REV. COOL'S AROUND THE FRINGE SHOW since lots of places have dialed their radio to 91.3,WYSO.
The October 2011 installment of SOCHE TALKS featuring Sue Polanka, from Wright State University on the Rise of Digital Textbooks.
The SOCHE Talks are a collaboration with the Southwest Ohio Council for Higher Education. In this monthly series we'll hear from faculty and staff from areas colleges and universities on a wide variety of subjects. It's an effort to bring Miami Valley research and thinking into the public arena – a way to enlighten the world with local knowledge.
The July 2011 installment of SOCHE TALKS featuring Tykiah Wright, from Wright State University on The Untapped Workforce of Disabled Graduates.
June 1st marked the ribbon-cutting for the 711th Human Performance Wing that's coming to Wright-Patterson Air Force Base as a result of BRAC. It brings new missions to the base and will strengthen existing ones, which means there's even more opportunity to strengthen historic partnerships between the base and Wright State University and keep student and faculty research in the Miami Valley well after graduation. Juliet Fromholt reports on the base's partnerships in higher education.
The May, 2011 installment of SOCHE Talks features Haili Du, Instructor of Chinese Modern Languages at Wright State University.
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Ilana Glazer Got Some Randos In A Park To Open Up About Their Sex Lives
The star of "Broad City" isn't afraid to ask the hard questions.
1. "You like titties?"
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By Jason Alderman It's no secret that health care costs have been spiraling out of control for years. To fight back, your best bet is to be a well-informed consumer: Know the true costs of medical procedures, supplies and medications so you can bargain effectively; carefully anticipate and track medical expenses; and stay on top …
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Dr. Luis Acosta Jr, MD
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Dr. Luis Acosta Jr graduated from the University of California, Irvine School of Medicine in 1990. He works in Glendale, CA and 3 other locations and specializes in Emergency Medicine and Dermatology. Dr. Acosta Jr is affiliated with Glendale Adventist Medical Center, Glendale Memorial Hospital & Health Center, PIH Health and Silver Lake Medical Center. He speaks English and Spanish.
Gender: Male
Languages Spoken: English, Spanish
Emergency Medicine, Dermatology
Medical School: University of California, Irvine School of Medicine; Graduated 1990
*This physician has multiple office locations. See Office Information for details.


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Ants eating my apple tree
Can anyone recommend a good pesticide that kills ants, and won't kill the neighborhood children when they steal the apples? Last year nothing I could do would get them to wait until the apples were ripe. I doubt they'd listen to me about pesticides. I don't mind sharing the apples, but I'd rather not have them sickening on me.
We have a serious infestation. I'm battling it on many grounds, but the apple tree seems to be the main fight, and I'd like to spray the apples with something. I've already sprayed for fungus and grub worms.
Ants don't eat trees.
So what are they doing? Perhaps running up and down the tree?
If so, the tree has some sort of insect problem.
Or does the tree have a hole where the ants go in and out? If so, the hole resulted from some other cause,; the ants are just there.
Or what?
They are eating the apples themselves. Not the tree-part. They are pavement ants, and attracted to "Sweet". They lived in cracks in the driveway, and the deck out back. I have poison around them, but I'm afraid they'll keep returning as long as there is a food source.
I mean, I've sprayed for Aphids, but nothing seems to work.
Long ago, my dad had this sticky substance (almost looked like rubber cement/contact cement) he would paint on the tree to "trap" the ants or deter them...I can't remember which. Anyhow, I think he applied this to both apples and maples but, again, I can't quite remember.
I hate ants with a passion. Especially red ants. In the summer. When I'm weed-eating.
Tanglefoot is what that sticky stuff is called. I haven't seen it in too many garden centers, but I am sure you can get it online, because I did. It isn't expensive or toxic.
Wait to apply it until the apples start to ripen in late summer or early autumn. It may be one of those things you have to reapply after rain.
I haven't tried this myself but if it helps -- try applying a wide band of petroleum jelly all around the bottom of the trunk/trunks. This will prevent ants from climbing upwards.
A safer form of pesticide is based on pyrethium (a toxin taken from chrysanthemums)
You could put up a sign to say fresh pesticides have been applied - just to prevent kids from taking your apples.
Would a sign have stopped you when you were seven?
At the end of last summer, when I moved in I was asking them to not eat the apples because they weren't ripe, they were disgusting and covered in bugs, and they would probably get sick.
They just got really good at sneaking into my yard while I wasn't looking. And I got the reputation as the mean Ogre Lady on the block. No matter how much I explained that I was concerned for them and not the apples, they didn't believe me.
The old owner used to let them eat the apples--bugs and all! I'd rather not gamble a child's well being on it behaving.
Do you mind the kids eating the apples? Or are you just concerned about them being infested with ants and the kids eating them? Other than using a trap-like product such as Tanglefoot or the petroleum jelly at the base of the tree, I'd just let them be. There is far less concern with the kids munching down a few ants (if they have the gross factor to do so) and unripe apples than there is with them consuming insect-free apples that have been treated with pesticides. Even so-call "safe" pesticides like pyrethrums are pretty toxic if ingested soon after application and especially to children, who have a low tolerance to pesticide contamination.
You do realize that ants (and other insects) are a part of the diet of numerous cultures around the world and are a decent source of protein. At the most, eating a few bugs and unripe apples would give the kids a tummy ache, nothing more. Eating pesticide treated apples could result in lot worse.
Thank you for giving me perspective Gardengal.
I was mostly worried about the kids eating ants and unripe apples. While I'd LIKE some apples to make it 'till fall so they can ripen, I'd much rather have all the apples stripped of my tree--plus a major ant problem--than let the neighborhood children get really hurt.
I think I will use tanglefoot and petroleum jelly, though. just to cut down on the ant problem.
Sorry to hear that you are being maligned in your neighborhood.
No signs may not deter young children but it offers you some form of legal protection in case angry parents complain. I don't know if it helps but if you really need to apply pesticides, you could apply clear yellow tapes around the tree perimeter to prevent people from approaching the tree though I've no idea just how determined the kids are to get your apples.
Eating a couple of live ants will not produce much harm. I recall a few such accidental 'snacks' in my childhood. It tastes awful. Acrid and really chemically flvoured. But no harm done. I'd more scared of getting a bee or wasp sting.
And no harm done in eating green apples. Its just sour - akin to eating green mangoes and green papayas.
I am from New Brunswisk, Can. My apple tree is about 5 years old. Last year was the first time I had apples (12 to be exact) But I dont,t think they were healthy. There was brown blotches on them. I also have ants running all over the place. Is there someyhing I can do to pruduce heathier apples?
Hhmmm...I'm a bit late to this discussion, but I thought the posters worried about kids eating ants might be interested in this tidbit. It's estimated that the average person unknowingly consumes between 1 lb. (.45kg) and 2 lbs.(.91kg) of bugs a year. Most "accidentally" mixed in with your food, but also supposedly some are eaten while sleeping and how many times has a bug flew into your mouth and down your throat while running around breathing heavily with your mouth open? Eating bugs is harmless in most cases, and in fact in survival training it's taught as one of the easiest and most nutritious survival foods you can eat.
How many people are really grossed out now? lol


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Big data
Big data is a broad term for data sets so large or complex that traditional data processing applications are inadequate. Challenges include analysis, capture, curation, search, sharing, storage, transfer, visualization, and information privacy. The term often refers simply to the use of predictive analytics or other certain advanced methods to extract value from data, and seldom to a particular size of data set.
Analysis of data sets can find new correlations, to "spot business trends, prevent diseases, combat crime and so on."[1] Scientists, practitioners of media and advertising and governments alike regularly meet difficulties with large data sets in areas including Internet search, finance and business informatics. Scientists encounter limitations in e-Science work, including meteorology, genomics,[2] connectomics, complex physics simulations,[3] and biological and environmental research.[4]
Data sets grow in size in part because they are increasingly being gathered by cheap and numerous information-sensing mobile devices, aerial (remote sensing), software logs, cameras, microphones, radio-frequency identification (RFID) readers, and wireless sensor networks.[5][6][7] The world's technological per-capita capacity to store information has roughly doubled every 40 months since the 1980s;[8] as of 2012[update], every day 2.5 exabytes (2.5×1018) of data were created;[9] The challenge for large enterprises is determining who should own big data initiatives that straddle the entire organization.[10]
Relational database management systems and desktop statistics and visualization packages often have difficulty handling big data. The work instead requires "massively parallel software running on tens, hundreds, or even thousands of servers".[11] What is considered "big data" varies depending on the capabilities of the users and their tools, and expanding capabilities make Big Data a moving target. Thus, what is considered to be "Big" in one year will become ordinary in later years. "For some organizations, facing hundreds of gigabytes of data for the first time may trigger a need to reconsider data management options. For others, it may take tens or hundreds of terabytes before data size becomes a significant consideration."[12]
- 1 Definition
- 2 Characteristics
- 3 Architecture
- 4 Technologies
- 5 Applications
- 5.1 Government
- 5.2 International development
- 5.3 Manufacturing
- 5.4 Media
- 5.5 Private sector
- 5.6 Science
- 6 Research activities
- 7 Critique
- 8 See also
- 9 References
- 10 Further reading
- 11 External links
Big data usually includes data sets with sizes beyond the ability of commonly used software tools to capture, curate, manage, and process data within a tolerable elapsed time.[13] Big data "size" is a constantly moving target, as of 2012[update] ranging from a few dozen terabytes to many petabytes of data. Big data is a set of techniques and technologies that require new forms of integration to uncover large hidden values from large datasets that are diverse, complex, and of a massive scale.[14]
In a 2001 research report[15] and related lectures, META Group (now Gartner) analyst Doug Laney defined data growth challenges and opportunities as being three-dimensional, i.e. increasing volume (amount of data), velocity (speed of data in and out), and variety (range of data types and sources). Gartner, and now much of the industry, continue to use this "3Vs" model for describing big data.[16] In 2012, Gartner updated its definition as follows: "Big data is high volume, high velocity, and/or high variety information assets that require new forms of processing to enable enhanced decision making, insight discovery and process optimization."[17] Additionally, a new V "Veracity" is added by some organizations to describe it.[18]
If Gartner's definition (the 3Vs) is still widely used, the growing maturity of the concept fosters a more sound difference between big data and Business Intelligence, regarding data and their use:[19]
- Business Intelligence uses descriptive statistics with data with high information density to measure things, detect trends etc.;
- Big data uses inductive statistics and concepts from nonlinear system identification [20] to infer laws (regressions, nonlinear relationships, and causal effects) from large sets of data with low information density[21] to reveal relationships, dependencies and perform predictions of outcomes and behaviors.[20][22]
A more recent, consensual definition states that "Big Data represents the Information assets characterized by such a High Volume, Velocity and Variety to require specific Technology and Analytical Methods for its transformation into Value". [23]
Big data can be described by the following characteristics:
Volume – The quantity of data that is generated is very important in this context. It is the size of the data which determines the value and potential of the data under consideration and whether it can actually be considered Big Data or not. The name 'Big Data' itself contains a term which is related to size and hence the characteristic.
Variety - The next aspect of Big Data is its variety. This means that the category to which Big Data belongs to is also a very essential fact that needs to be known by the data analysts. This helps the people, who are closely analyzing the data and are associated with it, to effectively use the data to their advantage and thus upholding the importance of the Big Data.
Velocity - The term 'velocity' in the context refers to the speed of generation of data or how fast the data is generated and processed to meet the demands and the challenges which lie ahead in the path of growth and development.
Variability - This is a factor which can be a problem for those who analyse the data. This refers to the inconsistency which can be shown by the data at times, thus hampering the process of being able to handle and manage the data effectively.
Veracity - The quality of the data being captured can vary greatly. Accuracy of analysis depends on the veracity of the source data.
Complexity - Data management can become a very complex process, especially when large volumes of data come from multiple sources. These data need to be linked, connected and correlated in order to be able to grasp the information that is supposed to be conveyed by these data. This situation, is therefore, termed as the 'complexity' of Big Data.
Big data analytics consists of 6 Cs in the integrated industry 4.0 and Cyber Physical Systems environment. 6C system, that is, consist of connection (sensor and networks), Cloud (computing and data on demand), Cyber (model and memory), content/context (meaning and correlation), community (sharing and collaboration), and customization (personalization and value). In this scenario and in order to provide useful insight to the factory management and gain correct content, data has to be processed with advanced tools (analytics and algorithms) to generate meaningful information. Considering the presence of visible and invisible issues in an industrial factory, the information generation algorithm has to capable of detecting and addressing invisible issues such as machine degradation, component wear, etc. in the factory floor.[24][25]
In 2000, Seisint Inc. developed C++ based distributed file sharing framework for data storage and querying. Structured, semi-structured and/or unstructured data is stored and distributed across multiple servers. Querying of data is done by modified C++ called ECL which uses apply scheme on read method to create structure of stored data during time of query. In 2004 LexisNexis acquired Seisint Inc.[26] and 2008 acquired ChoicePoint, Inc.[27] and their high speed parallel processing platform. The two platforms were merged into HPCC Systems and in 2011 was open sourced under Apache v2.0 License. Currently HPCC and Quantcast File System[28] are the only publicly available platforms capable of analyzing multiple exabytes of data.
In 2004, Google published a paper on a process called MapReduce that used such an architecture. The MapReduce framework provides a parallel processing model and associated implementation to process huge amount of data. With MapReduce, queries are split and distributed across parallel nodes and processed in parallel (the Map step). The results are then gathered and delivered (the Reduce step). The framework was very successful,[29] so others wanted to replicate the algorithm. Therefore, an implementation of the MapReduce framework was adopted by an Apache open source project named Hadoop.[30]
MIKE2.0 is an open approach to information management that acknowledges the need for revisions due to big data implications in an article titled "Big Data Solution Offering".[31] The methodology addresses handling big data in terms of useful permutations of data sources, complexity in interrelationships, and difficulty in deleting (or modifying) individual records.[32]
Recent studies show that the use of a multiple layer architecture is an option for dealing with big data. The Distributed Parallel architecture distributes data across multiple processing units and parallel processing units provide data much faster, by improving processing speeds. This type of architecture inserts data into a parallel DBMS, which implements the use of MapReduce and Hadoop frameworks. This type of framework looks to make the processing power transparent to the end user by using a front end application server.[33]
Big Data Analytics for Manufacturing Applications can be based on a 5C architecture (connection, conversion, cyber, cognition, and configuration). Please see Intelligent Maintenance System. In the "Connection" level, devices can be designed to self-connect and self-sensing for its behavior. In the "Conversion" level, data from self-connected devices and sensors are measuring the features of critical issues with self-aware capabilities, machines can use the self-aware information to self-predict its potential issues. In the "Cyber" level, each machine is creating its own "twin" by using these instrumented features and further characterize the machine health pattern based on a "Time-Machine" methodology. The established "twin" in the cyber space can perform self-compare for peer-to-peer performance for further synthesis. In the "Cognition" level, the outcomes of self-assessment and self-evaluation will be presented to users based on an "infographic" meaning to show the content and context of the potential issues. In the "Configuration" level, the machine or production system can be reconfigured based on the priority and risk criteria to achieve resilient performance.[34]
The 5C Level Architecture can be described as:
- Smart Connection- Acquiring accurate and reliable data from machines and their components is the first step in developing a cyber-physical system application. The data might be directly measured by sensors or obtained from controller or enterprise manufacturing systems such as ERP, MES, SCM and CMM. Two important factors at this level have to be considered. First, considering various types of data, a seamless and tether-free method to manage data acquisition procedure and transferring data to the central server is required where specific protocols such as MTConnect, etc. are effectively useful. On the other hand, selecting proper sensors (type and specification) is the second important consideration for the first level.
- Data-to-Information Conversion-Meaningful information has to be inferred from the data. Currently, there are several tools and methodologies available for the data to information conversion level. In recent years, extensive focus has been applied to develop these algorithms specifically for prognostics and health management applications. By calculating health value, estimated remaining useful life, etc., the second level of CPS architecture brings self-awareness to machines.
- Cyber-The cyber level acts as central information hub in this architecture. Information is being pushed to it from every connected machine to form the machines network. Having massive information gathered, specific analytics has to be used to extract additional information that provide better insight over the status of individual machines among the fleet. These analytics provide machines with self-comparison ability, where the performance of a single machine can be compared with and rated among the fleet and on the other hand, similarities between machine performance and previous assets (historical information) can be measured to predict the future behavior of the machinery. In this paper we briefly introduce an efficient yet effective methodology for managing and analyzing information at cyber level.
- Cognition-Implementing CPS upon this level generates a thorough knowledge of the monitored system. Proper presentation of the acquired knowledge to expert users supports the correct decision to be taken. Since comparative information as well as individual machine status is available, decision on priority of tasks to optimize the maintaining process can be made. For this level, proper info-graphics are necessary to completely transfer acquired knowledge to the users.
- Configuration-The configuration level is the feedback from cyber space to physical space and act as supervisory control to make machines self-configure and self-adaptive. This stage acts as resilience control system (RCS) to apply the corrective and preventive decisions, which has been made in cognition level, to the monitored system.[24][25]
Big Data Lake - With the changing face of business and IT sector, capturing and storage of data has emerged into a sophisticated system. The big data lake allows an organization to shift its focus from centralized control to a shared model to respond to the changing dynamics of information management. This enables quick segregation of data into the data lake thereby reducing the overhead time.[35]
Big data requires exceptional technologies to efficiently process large quantities of data within tolerable elapsed times. A 2011 McKinsey report[36] suggests suitable technologies include A/B testing, crowdsourcing, data fusion and integration, genetic algorithms, machine learning, natural language processing, signal processing, simulation, time series analysis and visualisation. Multidimensional big data can also be represented as tensors, which can be more efficiently handled by tensor-based computation,[37] such as multilinear subspace learning.[38] Additional technologies being applied to big data include massively parallel-processing (MPP) databases, search-based applications, data mining, distributed file systems, distributed databases, cloud based infrastructure (applications, storage and computing resources) and the Internet.[citation needed]
Some but not all MPP relational databases have the ability to store and manage petabytes of data. Implicit is the ability to load, monitor, back up, and optimize the use of the large data tables in the RDBMS.[39]
DARPA's Topological Data Analysis program seeks the fundamental structure of massive data sets and in 2008 the technology went public with the launch of a company called Ayasdi.[40]
The practitioners of big data analytics processes are generally hostile to slower shared storage,[41] preferring direct-attached storage (DAS) in its various forms from solid state drive (SSD) to high capacity SATA disk buried inside parallel processing nodes. The perception of shared storage architectures—Storage area network (SAN) and Network-attached storage (NAS) —is that they are relatively slow, complex, and expensive. These qualities are not consistent with big data analytics systems that thrive on system performance, commodity infrastructure, and low cost.
Real or near-real time information delivery is one of the defining characteristics of big data analytics. Latency is therefore avoided whenever and wherever possible. Data in memory is good—data on spinning disk at the other end of a FC SAN connection is not. The cost of a SAN at the scale needed for analytics applications is very much higher than other storage techniques.
There are advantages as well as disadvantages to shared storage in big data analytics, but big data analytics practitioners as of 2011[update] did not favour it.[42]
Big data has increased the demand of information management specialists in that Software AG, Oracle Corporation, IBM, Microsoft, SAP, EMC, HP and Dell have spent more than $15 billion on software firms specializing in data management and analytics. In 2010, this industry was worth more than $100 billion and was growing at almost 10 percent a year: about twice as fast as the software business as a whole.[1]
Developed economies make increasing use of data-intensive technologies. There are 4.6 billion mobile-phone subscriptions worldwide and between 1 billion and 2 billion people accessing the internet.[1] Between 1990 and 2005, more than 1 billion people worldwide entered the middle class which means more and more people who gain money will become more literate which in turn leads to information growth. The world's effective capacity to exchange information through telecommunication networks was 281 petabytes in 1986, 471 petabytes in 1993, 2.2 exabytes in 2000, 65 exabytes in 2007[8] and it is predicted that the amount of traffic flowing over the internet will reach 667 exabytes annually by 2014.[1] It is estimated that one third of the globally stored information is in the form of alphanumeric text and still image data,[43] which is the format most useful for most big data applications. This also shows the potential of yet unused data (i.e. in the form of video and audio content).
While many vendors offer off-the-shelf solutions for Big Data, experts recommend the development of in-house solutions custom-tailored to solve the companies problem at hand if the company has sufficient technical capabilities.[44]
The use and adoption of Big Data, within governmental processes, is beneficial and allows efficiencies in terms of cost, productivity and innovation. That said, this process does not come without its flaws. Data analysis often requires multiple parts of government (central and local) to work in collaboration and create new and innovative processes to deliver the desired outcome. Below are the thought leading examples within the Governmental Big Data space.
United States of America[edit]
- In 2012, the Obama administration announced the Big Data Research and Development Initiative, to explore how big data could be used to address important problems faced by the government.[45] The initiative is composed of 84 different big data programs spread across six departments.[46]
- Big data analysis played a large role in Barack Obama's successful 2012 re-election campaign.[47]
- The United States Federal Government owns six of the ten most powerful supercomputers in the world.[48]
- The Utah Data Center is a data center currently being constructed by the United States National Security Agency. When finished, the facility will be able to handle a large amount of information collected by the NSA over the Internet. The exact amount of storage space is unknown, but more recent sources claim it will be on the order of a few exabytes.[49][50][51]
- Big data analysis was, in parts, responsible for the BJP and its allies to win a highly successful Indian General Election 2014.[52]
- The Indian Government utilises numerous techniques to ascertain how the Indian electorate is responding to government action, as well as ideas for policy augmentation
United Kingdom[edit]
Examples of good uses of big data in public services:
- Data on prescription drugs: By connecting origin, location and the time of each prescription, a research unit were able to exemplify the considerable delay between the release of any given drug, and a UK wide adaptation of the National Institute for Health and Care Excellence guidelines. This suggests that new/most up to date drugs take some time to filter through to the general patient.
- Joining up data: The weather challenges in Winter 2014 a local authority blended data about services, such as road gritting rotas, with services for people at risk, such as 'meals on wheels'. The connection of data allowed the local authority to avoid any weather related delay.
International development[edit]
Research on the effective usage of information and communication technologies for development (also known as ICT4D) suggests that big data technology can make important contributions but also present unique challenges to International development.[53][54] Advancements in big data analysis offer cost-effective opportunities to improve decision-making in critical development areas such as health care, employment, economic productivity, crime, security, and natural disaster and resource management.[55][56] However, longstanding challenges for developing regions such as inadequate technological infrastructure and economic and human resource scarcity exacerbate existing concerns with big data such as privacy, imperfect methodology, and interoperability issues.[55]
Based on TCS 2013 Global Trend Study, improvements in supply planning and product quality provide the greatest benefit of big data for manufacturing.[57] Big data provides an infrastructure for transparency in manufacturing industry, which is the ability to unravel uncertainties such as inconsistent component performance and availability. Predictive manufacturing as an applicable approach toward near-zero downtime and transparency requires vast amount of data and advanced prediction tools for a systematic process of data into useful information.[58] A conceptual framework of predictive manufacturing begins with data acquisition where different type of sensory data is available to acquire such as acoustics, vibration, pressure, current, voltage and controller data. Vast amount of sensory data in addition to historical data construct the big data in manufacturing. The generated big data acts as the input into predictive tools and preventive strategies such as Prognostics and Health Management (PHM).[59]
Cyber-Physical Models[edit]
Current PHM implementations mostly utilize data during the actual usage while analytical algorithms can perform more accurately when more information throughout the machine's lifecycle, such as system configuration, physical knowledge and working principles, are included. There is a need to systematically integrate, manage and analyze machinery or process data during different stages of machine life cycle to handle data/information more efficiently and further achieve better transparency of machine health condition for manufacturing industry.
With such motivation a cyber-physical (coupled) model scheme has been developed. Please see http://www.imscenter.net/cyber-physical-platform The coupled model is a digital twin of the real machine that operates in the cloud platform and simulates the health condition with an integrated knowledge from both data driven analytical algorithms as well as other available physical knowledge. It can also be described as a 5S systematic approach consisting of Sensing, Storage, Synchronization, Synthesis and Service. The coupled model first constructs a digital image from the early design stage. System information and physical knowledge are logged during product design, based on which a simulation model is built as a reference for future analysis. Initial parameters may be statistically generalized and they can be tuned using data from testing or the manufacturing process using parameter estimation. After which, the simulation model can be considered as a mirrored image of the real machine, which is able to continuously record and track machine condition during the later utilization stage. Finally, with ubiquitous connectivity offered by cloud computing technology, the coupled model also provides better accessibility of machine condition for factory managers in cases where physical access to actual equipment or machine data is limited.[25][60]
Internet of Things (IoT)[edit]
In order to hone into the manner in which the media utilises Big Data, it is first necessary to provide some context into the mechanism used for media process. It has been suggested by Nick Couldry and Joseph Turow that Practitioners in Media and Advertising approach Big Data as many actionable points of information about millions of individuals. The industry appears to be moving away from the traditional approach of using specific media environments such as newspapers, magazines, or television shows and instead tap into consumers with technologies that reach targeted people at optimal times in optimal locations. The ultimate aim is of course to serve, or convey, a message or content that is (statistically speaking) in line with the consumers mindset. For example, publishing environments are increasingly tailoring messages (advertisements) and content (articles) to appeal to consumers that have been exclusively gleaned through various data-mining activities.[61]
The media industries process Big Data in a dual, interconnected manner:
- Targeting of consumers (for advertising by marketers)
- Data-capture
Big Data and the IoT work in conjunction. From a media perspective, Data is the key derivative of device inter connectivity, whilst being pivotal in allowing clearer accuracy in targeting. The Internet of Things, with the help of big data, therefore transforms the media industry, companies and even governments, opening up a new era of economic growth and competitiveness. The intersection of people, data and intelligent algorithms have far-reaching impacts on media efficiency. The wealth of data generated by this industry (i.e. Big Data) allows Practitioners in Advertising and Media to gain an elaborate layer on the present targeting mechanisms utilised by the industry.
- eBay.com uses two data warehouses at 7.5 petabytes and 40PB as well as a 40PB Hadoop cluster for search, consumer recommendations, and merchandising. Inside eBay's 90PB data warehouse
- Amazon.com handles millions of back-end operations every day, as well as queries from more than half a million third-party sellers. The core technology that keeps Amazon running is Linux-based and as of 2005 they had the world's three largest Linux databases, with capacities of 7.8 TB, 18.5 TB, and 24.7 TB.[62]
- Facebook handles 50 billion photos from its user base.[63]
Private sector[edit]
- Walmart handles more than 1 million customer transactions every hour, which are imported into databases estimated to contain more than 2.5 petabytes (2560 terabytes) of data – the equivalent of 167 times the information contained in all the books in the US Library of Congress.[1]
Retail Banking[edit]
- FICO Card Detection System protects accounts world-wide.[64]
- The volume of business data worldwide, across all companies, doubles every 1.2 years, according to estimates.[65][66]
Real Estate[edit]
- Windermere Real Estate uses anonymous GPS signals from nearly 100 million drivers to help new home buyers determine their typical drive times to and from work throughout various times of the day.[67]
The Large Hadron Collider experiments represent about 150 million sensors delivering data 40 million times per second. There are nearly 600 million collisions per second. After filtering and refraining from recording more than 99.99995% [68] of these streams, there are 100 collisions of interest per second.[69][70][71]
- As a result, only working with less than 0.001% of the sensor stream data, the data flow from all four LHC experiments represents 25 petabytes annual rate before replication (as of 2012). This becomes nearly 200 petabytes after replication.
- If all sensor data were to be recorded in LHC, the data flow would be extremely hard to work with. The data flow would exceed 150 million petabytes annual rate, or nearly 500 exabytes per day, before replication. To put the number in perspective, this is equivalent to 500 quintillion (5×1020) bytes per day, almost 200 times more than all the other sources combined in the world.
The Square Kilometre Array is a telescope which consists of millions of antennas and is expected to be operational by 2024. Collectively, these antennas are expected to gather 14 exabytes and store one petabyte per day.[72][73] It is considered to be one of the most ambitious scientific projects ever undertaken.
Science and Research[edit]
- When the Sloan Digital Sky Survey (SDSS) began collecting astronomical data in 2000, it amassed more in its first few weeks than all data collected in the history of astronomy. Continuing at a rate of about 200 GB per night, SDSS has amassed more than 140 terabytes of information. When the Large Synoptic Survey Telescope, successor to SDSS, comes online in 2016 it is anticipated to acquire that amount of data every five days.[1]
- Decoding the human genome originally took 10 years to process, now it can be achieved in less than a day: the DNA sequencers have divided the sequencing cost by 10,000 in the last ten years, which is 100 times cheaper than the reduction in cost predicted by Moore's Law.[74]
- The NASA Center for Climate Simulation (NCCS) stores 32 petabytes of climate observations and simulations on the Discover supercomputing cluster.[75]
Research activities[edit]
Encrypted search and cluster formation in big data was demonstrated in March 2014 at the American Society of Engineering Education. Gautam Siwach engaged at Tackling the challenges of Big Data by MIT Computer Science and Artificial Intelligence Laboratory and Dr. Amir Esmailpour at UNH Research Group investigated the key features of big data as formation of clusters and their interconnections. They focused on the security of big data and the actual orientation of the term towards the presence of different type of data in an encrypted form at cloud interface by providing the raw definitions and real time examples within the technology. Moreover, they proposed an approach for identifying the encoding technique to advance towards an expedited search over encrypted text leading to the security enhancements in big data.[76]
In March 2012, The White House announced a national "Big Data Initiative" that consisted of six Federal departments and agencies committing more than $200 million to big data research projects.[77]
The initiative included a National Science Foundation "Expeditions in Computing" grant of $10 million over 5 years to the AMPLab[78] at the University of California, Berkeley.[79] The AMPLab also received funds from DARPA, and over a dozen industrial sponsors and uses big data to attack a wide range of problems from predicting traffic congestion[80] to fighting cancer.[81]
The White House Big Data Initiative also included a commitment by the Department of Energy to provide $25 million in funding over 5 years to establish the Scalable Data Management, Analysis and Visualization (SDAV) Institute,[82] led by the Energy Department's Lawrence Berkeley National Laboratory. The SDAV Institute aims to bring together the expertise of six national laboratories and seven universities to develop new tools to help scientists manage and visualize data on the Department's supercomputers.
The U.S. state of Massachusetts announced the Massachusetts Big Data Initiative in May 2012, which provides funding from the state government and private companies to a variety of research institutions.[83] The Massachusetts Institute of Technology hosts the Intel Science and Technology Center for Big Data in the MIT Computer Science and Artificial Intelligence Laboratory, combining government, corporate, and institutional funding and research efforts.[84]
The European Commission is funding the 2-year-long Big Data Public Private Forum through their Seventh Framework Program to engage companies, academics and other stakeholders in discussing big data issues. The project aims to define a strategy in terms of research and innovation to guide supporting actions from the European Commission in the successful implementation of the big data economy. Outcomes of this project will be used as input for Horizon 2020, their next framework program.[85]
The British government announced in March 2014 the founding of the Alan Turing Institute, named after the computer pioneer and code-breaker, which will focus on new ways of collecting and analysing large sets of data.[86]
At the University of Waterloo Stratford Campus Canadian Open Data Experience (CODE) Inspiration Day, it was demonstrated how using data visualization techniques can increase the understanding and appeal of big data sets in order to communicate a story to the world.[87]
In order to make manufacturing more competitive in the United States (and globe), there is a need to integrate more American ingenuity and innovation into manufacturing ; Therefore, National Science Foundation has granted the Industry University cooperative research center for Intelligent Maintenance Systems (IMS) at university of Cincinnati to focus on developing advanced predictive tools and techniques to be applicable in a big data environment.[59][88] In May 2013, IMS Center held an industry advisory board meeting focusing on big data where presenters from various industrial companies discussed their concerns, issues and future goals in Big Data environment.
Computational social sciences — Anyone can use Application Programming Interfaces (APIs) provided by Big Data holders, such as Google and Twitter, to do research in the social and behavioral sciences.[89] Often these APIs are provided for free.[89] Tobias Preis et al. used Google Trends data to demonstrate that Internet users from countries with a higher per capita gross domestic product (GDP) are more likely to search for information about the future than information about the past. The findings suggest there may be a link between online behaviour and real-world economic indicators.[90][91][92] The authors of the study examined Google queries logs made by ratio of the volume of searches for the coming year ('2011') to the volume of searches for the previous year ('2009'), which they call the 'future orientation index'.[93] They compared the future orientation index to the per capita GDP of each country and found a strong tendency for countries in which Google users enquire more about the future to exhibit a higher GDP. The results hint that there may potentially be a relationship between the economic success of a country and the information-seeking behavior of its citizens captured in big data.
Tobias Preis and his colleagues Helen Susannah Moat and H. Eugene Stanley introduced a method to identify online precursors for stock market moves, using trading strategies based on search volume data provided by Google Trends.[94] Their analysis of Google search volume for 98 terms of varying financial relevance, published in Scientific Reports,[95] suggests that increases in search volume for financially relevant search terms tend to precede large losses in financial markets.[96][97][98][99][100][101][102][103]
Critiques of the big data paradigm come in two flavors, those that question the implications of the approach itself, and those that question the way it is currently done.
Critiques of the big data paradigm[edit]
"A crucial problem is that we do not know much about the underlying empirical micro-processes that lead to the emergence of the[se] typical network characteristics of Big Data".[13] In their critique, Snijders, Matzat, and Reips point out that often very strong assumptions are made about mathematical properties that may not at all reflect what is really going on at the level of micro-processes. Mark Graham has leveled broad critiques at Chris Anderson's assertion that big data will spell the end of theory: focusing in particular on the notion that big data will always need to be contextualized in their social, economic and political contexts.[104] Even as companies invest eight- and nine-figure sums to derive insight from information streaming in from suppliers and customers, less than 40% of employees have sufficiently mature processes and skills to do so. To overcome this insight deficit, "big data", no matter how comprehensive or well analyzed, needs to be complemented by "big judgment", according to an article in the Harvard Business Review.[105]
Much in the same line, it has been pointed out that the decisions based on the analysis of big data are inevitably "informed by the world as it was in the past, or, at best, as it currently is".[55] Fed by a large number of data on past experiences, algorithms can predict future development if the future is similar to the past. If the systems dynamics of the future change, the past can say little about the future. For this, it would be necessary to have a thorough understanding of the systems dynamic, which implies theory.[106] As a response to this critique it has been suggested to combine big data approaches with computer simulations, such as agent-based models[55] and Complex Systems.[107] Agent-based models are increasingly getting better in predicting the outcome of social complexities of even unknown future scenarios through computer simulations that are based on a collection of mutually interdependent algorithms.[108][109] In addition, use of multivariate methods that probe for the latent structure of the data, such as factor analysis and cluster analysis, have proven useful as analytic approaches that go well beyond the bi-variate approaches (cross-tabs) typically employed with smaller data sets.
In health and biology, conventional scientific approaches are based on experimentation. For these approaches, the limiting factor are the relevant data that can confirm or refute the initial hypothesis.[110] A new postulate is accepted now in biosciences: the information provided by the data in huge volumes (omics) without prior hypothesis is complementary and sometimes necessary to conventional approaches based on experimentation. In the massive approaches it is the formulation of a relevant hypothesis to explain the data that is the limiting factor. The search logic is reversed and the limits of induction ("Glory of Science and Philosophy scandal", C. D. Broad, 1926) are to be considered.
Privacy advocates are concerned about the threat to privacy represented by increasing storage and integration of personally identifiable information; expert panels have released various policy recommendations to conform practice to expectations of privacy.[111][112][113]
Critiques of big data execution[edit]
Big data has been called a "fad" in scientific research and its use was even made fun of as an absurd practice in a satirical example on "pig data".[89] Researcher danah boyd has raised concerns about the use of big data in science neglecting principles such as choosing a representative sample by being too concerned about actually handling the huge amounts of data.[114] This approach may lead to results bias in one way or another. Integration across heterogeneous data resources—some that might be considered "big data" and others not—presents formidable logistical as well as analytical challenges, but many researchers argue that such integrations are likely to represent the most promising new frontiers in science.[115] In the provocative article "Critical Questions for Big Data",[116] the authors title big data a part of mythology: "large data sets offer a higher form of intelligence and knowledge [...], with the aura of truth, objectivity, and accuracy". Users of big data are often "lost in the sheer volume of numbers", and "working with Big Data is still subjective, and what it quantifies does not necessarily have a closer claim on objective truth".[116] Recent developments in BI domain, such as pro-active reporting especially target improvements in usability of Big Data, through automated filtering of non-useful data and correlations.[117]
Big data analysis is often shallow compared to analysis of smaller data sets.[118] In many big data projects, there is no large data analysis happening, but the challenge is the extract, transform, load part of data preprocessing.[118]
Big data is a buzzword and a "vague term",[119] but at the same time an "obsession"[119] with entrepreneurs, consultants, scientists and the media. Big data showcases such as Google Flu Trends failed to deliver good predictions in recent years, overstating the flu outbreaks by a factor of two. Similarly, Academy awards and election predictions solely based on Twitter were more often off than on target. Big data often poses the same challenges as small data; and adding more data does not solve problems of bias, but may emphasize other problems. In particular data sources such as Twitter are not representative of the overall population, and results drawn from such sources may then lead to wrong conclusions. Google Translate - which is based on big data statistical analysis of text - does a remarkably good job at translating web pages, but for specialized domains the results may be badly off. On the other hand, big data may also introduce new problems, such as the multiple comparisons problem: simultaneously testing a large set of hypotheses is likely to produce many false results that mistakenly appear to be significant. Ioannidis argued that "most published research findings are false" [120] due to essentially the same effect: when many scientific teams and researchers each perform many experiments (i.e. process a big amount of scientific data; although not with big data technology), the likelihood of a "significant" result being actually false grows fast - even more so, when only positive results are published.
See also[edit]
- Apache Accumulo
- Apache Hadoop
- Big Data to Knowledge
- Data Defined Storage
- Cask (company)
- Cloudera
- HPCC Systems
- Intelligent Maintenance Systems
- Internet of Things
- MapReduce
- Hortonworks
- Nonlinear system identification
- Operations research
- Programming with Big Data in R (a series of R packages)
- Sqrrl
- Supercomputer
- Transreality gaming
- Tuple space
- Unstructured data
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- ^ a b c Reips, Ulf-Dietrich; Matzat, Uwe (2014). "Mining "Big Data" using Big Data Services". International Journal of Internet Science 1 (1): 1–8.
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- ^ Darwin Bond-Graham, Iron Cagebook - The Logical End of Facebook's Patents, Counterpunch.org, 2013.12.03
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- ^ a b Boyd, D.; Crawford, K. (2012). "Critical Questions for Big Data". Information, Communication & Society 15 (5): 662. doi:10.1080/1369118X.2012.678878.
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Further reading[edit]
- Big Data Computing and Clouds: Challenges, Solutions, and Future Directions. Marcos D. Assuncao, Rodrigo N. Calheiros, Silvia Bianchi, Marco A. S. Netto, Rajkumar Buyya. Technical Report CLOUDS-TR-2013-1, Cloud Computing and Distributed Systems Laboratory, The University of Melbourne, 17 Dec. 2013.
- Encrypted search & cluster formation in Big Data. Gautam Siwach, Dr. A. Esmailpour. American Society for Engineering Education, Conference at the University of Bridgeport, Bridgeport, Connecticut 3–5 April 2014.
- "Big Data for Good". ODBMS.org. 5 June 2012. Retrieved 2013-11-12.
- Hilbert, Martin; López, Priscila (2011). "The World's Technological Capacity to Store, Communicate, and Compute Information". Science 332 (6025): 60–65. doi:10.1126/science.1200970. PMID 21310967.
- "The Rise of Industrial Big Data". GE Intelligent Platforms. Retrieved 2013-11-12.
- History of Big Data Timeline. A visual history of Big Data with links to supporting articles.
External links[edit]
- Media related to Big data at Wikimedia Commons
- The dictionary definition of big data at Wiktionary
- MIT Big Data Initiative / Tackling the Challenges of Big Data


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Simon May with Wally Mead
Xamarin.Forms abstracts UI definition into cross platform Xaml, with all controls rendered natively across iOS, Android and Windows Phone. In this session you will learn how define a multi-platform UI once for each of these platforms, binding to data stored in a local DB using the Mvvm pattern, and synchronising to the cloud using Azure Mobile Services. Learn when it is necessary to dive into platform specific code and how to go about this in code and in xaml.