We arrange them by the dewy decimal system. One thing we stress is attribution. So in addition to seeing what the object looks like you see the author and creator. Click on details, which lets you know how it is classified, who put it there, and if it is open source. You can add a comment or pedagogical tips.
People add technological comments and the mediate it.
Also at the bottom there is a note, but often there is more information how you can use it in a classroom. This one for example is categorized under life sciences, but people can us it for teaching under physical sciences or we used it to talk about collective emerging behavior occurs in complex systems. IF you go to the EOE you will see thousands of these. In addition, to having educational JAVA outlets, we have a resources page where we classify the resources. Essentially what the EOE is a database infused on to a data base page.