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== XD with the NeOn toolkit ==
Below you find some hints on how to use the XD plugin.

* You need an Internet connection to use the XD plugin.
* To find the XD perspective in the toolkit, in the menus choose Window->Open perspective->Other... Then select "eXtreme Design" in the list of perspectives. It will take some minutes to open because it creates a cache of all the patterns from the portal.
* At the bottom left you have a panel showing two tabs: "ODP registry" and "ODP selections". The registry is the list of patterns in the portal, you find them under the folder "Submissions". 
* If you mark a pattern in the list the information about the pattern will appear in the pane to the right. This is the same information as in the portal, but without the graphical visualization. 
* If you want to reuse a pattern you have two options: "getting" it to your workspace or directly specializing it.
** "Get" can be found as a button above the bottom left tabs, it shows a green arrow. Get means "copy the pattern owl-file into my workspace directory so that I can use it later". If you then go back to the NTK perspective you can for example import this like any other ontology, or open it to visualize it etc. Most likely you would now import the pattern file into your ontology, and then start specializing the classes and properties of the pattern, all of this using the "normal" NTK perspective that you are used to already.
** "Specialize" can be found as a button next to the "get" one, but with a blue arrow. Specialize in this case means "help me to specialize the pattern using a wizard". This opens a wizard that step by step takes you through the same process as when you specialize a pattern "without guidance", i.e. the result will be exactly the same as if you get the pattern, import it, specialize all the classes and properties in the NTK perspective, the difference is only in the interface and the guidance of the process.
* If you don't find the pattern you need there is also a simple search functionality. It is under the tab "ODP selections". Here you can click the button "simple search" and do a keyword search over the patterns. This can be useful if you for example remember from the lecture that there should be something called situation, but you cannot find it. The result is presented in two lists, the first is showing a classical keyword search and the second shows an expanded search where things like synonyms and  related terms have been taken into account.