86 
 
should see the prompt Start new thread indicating the functionality of this icon. Make sure NamedPizza is 
still selected and then click on the icon to start a new thread. This will bring up a window titled Edit 
where you can begin a new thread. Type something like: We need a subclass of NamedPizza called 
ChicagoPizza. It should have an axiom that requires it to have a DeepPanBase. Then hit the OK button. 
Your UI should look similar to figure 12.4.  
 
Figure 12.4 Creating a Discussion Thread 
Note the new comment in the Comments view and the update in the Project Feed view. The Comments 
view captures comments made on any entity in the ontology. The Project Feed view captures each change 
made to the ontology.  
To see what threaded discussions look like click on the new comment and select Reply. Add a comment 
like: I agree, ChicagoPizza is awesome and deserves its own class.  
Let’s address this comment by creating a new subclass of NamedPizza.  Select NamedPizza in the Class 
Hierarchy view. Note the icon in the upper right corner of this view that looks similar to this: O+. When 
you hover over this icon it should say Create. You can use this icon to create new classes and subclasses. 
Make sure NamedPizza is still selected and click on this icon to create a new subclass of NamedPizza. 
This will bring up a dialog titled Create Classes.  In the Class names field enter the name ChicagoPizza. 
You can leave the Language Tag field empty. Click on the Create button. You should now see 
ChicagoPizza as a new subclass of NamedPizza. Note that at the top of the Project Feed there should 
be a new entry for your action of creating this new class.