A detail question

[Wang Dongsheng]

Hi,

  I want to ask a detail question, and hope someone could help me:

 

  I make a ontology(OWL), which consist of Classes such as User, Location, Language, Message, Topic...

  The point is that, what if a instance of Topic is "Message"? (I generate RDF data additionally in TDB) 

  From the storing perspective, first, "Message" is a class that is stored as "URI + Message". At the same time, the instance  of Topic "Message" is also stored as "URI + Message" !!

   As we know, we can't define two entities the same name in protege tool...Is it a little confusing or something problem? And how does the inference machine tell the difference?? 

[Ankur Oberai]

Is the data you are generating through some automatic tool?
You will need to make the instance URI different..something like-URI + MessageInstance1

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Regards

Ankur Oberai

[Wang Dongsheng]

I use jena to manipulate the generation of data.

U mean I could name the instance of Topic as MessageInstance？

em...in conclusion, maybe just create this format "URI + name + instance" to create Topic instance??

well.. at least, it seems to be able to solve the problem ..though a little bit weird..  if no better strategy.. 

Thank u for ur good suggestion!!