Top "Owl" questions

The Web Ontology Language (OWL) is a vocabulary for creating ontologies, i.e. definitions of classes, properties and the relationships between them.

What is the difference between RDF and OWL?

I am trying to grasp the concept of Semantic Web. I am finding it hard to understand what exactly is …

rdf semantic-web owl
Are there any tools to visualize a RDF graph? (please include a screenshot)

I'm looking for a tool that will render a RDF graph in a reasonably useful graphic format. The primary purpose …

rdf semantics semantic-web owl ontology
setTimeout does not work

I want to load an OWL file before executing other (visualisation-)scripts. To do this I tried everything from $(document).…

javascript jquery owl
Using GROUP BY, COUNT and SAMPLE in apache jena SPARQL

So I have an RDF schema that contains many "groups", and each of these groups has a "name", and contains …

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How do I read .owl files in java and display its contents?

How do I read .owl files in java and display its contents?

java semantic-web owl
how can I recognize object properties vs datatype properties?

My ontology is book classification library. I have problems in this. I want to build a book classification ontology by …

ontology owl protege
What is the difference between DatatypeProperty, ObjectProperty, & FunctionalProperty, and when should I use them?

When writing an ontology, there are several very commonly used types, including: DatatypeProperty ObjectProperty FunctionalProperty InverseFunctionalProperty The first three kinda …

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What is a good RDF library for .net?

I'm looking for a library that can deal with RDF and OWL data. So far I have found: semweb (no …

c# .net rdf semantic-web owl
How to query Classes with Object Property in Sparql

Does any one know how to query Classes with Object Property in Sparql? Assume we have an OWL file which …

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OWL API, Jena API, Protege API, which one to use

I am trying to implement an eclipse based application working with ontologies. (My topic is semantic annotation). I will need …

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