Top "Semantic-web" questions

Representation of database record subjects (a/k/a keys, IDs, entities), predicates (a/k/a columns, attributes), and objects (a/k/a values) as triples, where the first two are always URIs, and the third is either a URI or a literal; enabling humans and machines to more easily share, merge, and evaluate data from heterogeneous origins.

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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Querying DBpedia with SPARQL and Jena

I cannot understand how can I query DBpedia using Jena. In the tutorials like here(Listing 4) model is initialized as …

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How to semantically tag poem text?

What to use for poem? pre blockquote code something else?

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How are RDF and RDFS related?

I've been reading about Semantic Web technologies such as RDF/RDFS and "ontology", but was wondering how each of these …

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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?

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What is the difference between RDF Schema and Ontology?

I am new to Semantic Web and confused regarding RDFs and Ontology. Can someone explain the difference between RDF Schema …

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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 …

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Get all properties for a DBpedia class

How to get a list of properties for a specific class? Consider the class dbpedia-owl:Person. All instances of the …

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Is there a Python library to handle OWL?

It could be something as big as Jena or something smaller. Do you know anything?

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Using Jena to create a SPARQL query on DBpedia

Im trying to create a SPARQL query using Jena to query DBpedia. The query is working when I use it …

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