Using the pizza ontology, I want to be able to look up all the toppings for American pizza. If I open the ontology in Protégé, I can see that American pizza has the following restrictions:
I have a question about an OWL ontology that I am making. I have a class that is actually an ID class and I would li开发者_JS百科ke to have instances: first, second, third etc.
I\'m trying to remove values of datatype properties of an instance through an interface which I created in java but it does not work. It gives me an
I\'m using Jena. I would like to know if there is a method that allows to modify or remov开发者_JAVA百科e properties values of an instance?
I\'m using Jena. I created an interface that allows to add, modify and remove instances in rdf file. I have a problem with Button Next. It works but not perfectly. I would like that it returns to the
I created an interface in java with 4 labels, 4 textfields and some buttons like \"Add\", \"modify, \"next\", etc. The user will enter name, first name, birth date, etc. After clicking the button \"ad
开发者_JAVA百科I have a function that adds instances (and their properties values) of class Person in a RDF file when I click on the Add button. I can add the first instance, but when I try to add the
I am currently trying to implement OWL2 RL via Rete algorithm. I have run into the following issue: How to imple开发者_JS百科ment lists needed for example in this rule: eq-diff2 (W3C reccomendation)?
I\'m trying to figure out a way of implementing a SWRL rule that would need to make use of an OR type statement.Here is the scenario: The ontology has a class \"MachineTool\" which has an object prope
How can I use the SWI-Prolog Semantic Web Library to make a query into the OWL/RDF file and extract some information?
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