I put jena jar files in the lib folder and see the message: A JPA error occurred (Cannot start a JPA manager without a
I have to parse through xml which contain URI links to dbpedia.org. I have to extract rdf triples from those URI based on a given Ontology using Jena library. How do I resolve the Prefix programmatica
I made a program for RDF by using jena in java... I have to return the result in string format.. and then in other function i have to get it as a string format and convert it to either model or statem
I am trying to 开发者_JAVA百科get the value of property genre in the following dbpedia link using sparql in jena http://dbpedia.org/page/Black_Sabbath
package tutorial; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException;
i am attempting to use the following query: QUERY=\"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \\n\" +
i am getting the 开发者_开发知识库 results of a query as sodium^^http://www.w3.org/2001/xmlschema/string
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
I am trying to extract RDF triples from XML files by using an existing开发者_开发技巧 ontology. I am using Java, and can use XPath to extract data from XML and Jena to read and write RDF documents and
QUERY=\" PREFIX table: <http://www.daml.org/2003/01/periodictable/PeriodicTable#> \\n\"+ \"SELECT ?name ?symbol ?weight ?number \\n\"+