owl
get OWL restrictions on classes using Jena
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:[详细]
2023-04-13 01:06 分类：问答OWL Ontology: Represent increasing number, like first, second, third
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.[详细]
2023-04-08 10:54 分类：问答I cannot remove values of data type properties in Jena
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[详细]
2023-03-28 13:38 分类：问答How can I modify or remove properties values? - Jena API
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?[详细]
2023-03-28 04:41 分类：问答API Jena - Button "Next" of my interface is not working properly
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[详细]
2023-03-27 19:49 分类：问答API Jena - Get values of data properties
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[详细]
2023-03-27 19:26 分类：问答How to increment a Resource?
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[详细]
2023-03-27 05:08 分类：问答OWL2 RL via RETE algorithm
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)?[详细]
2023-03-27 04:08 分类：问答SWRL rule using OR statements
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[详细]
2023-03-18 10:20 分类：问答How to query RDF/OWL using SWI-Prolog's Semantic Web Library?
How can I use the SWI-Prolog Semantic Web Library to make a query into the OWL/RDF file and extract some information?[详细]
2023-03-12 17:07 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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