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eRqlEngine API documentation - http://www.wleklinski.de/rdf/ | ||||||||||
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java.lang.Objecteworks.eRQL.engine.eRqlEngine
eRqlEngine
is a prototype implementation of an eRQL processor -
a new query language for RDF.
Details on eRQL can be obtained at
http://www.dbis.informatik.uni-frankfurt.de/~tolle/RDF/eRQL/
and
http://www.wleklinski.de/rdf/.
Details on RDF are available at
http://www.w3.org/RDF/.
eRqlEngine eRQL = new eRqlEngine(); eworks.RDF.model.Tuples result = null; try { result=eRQL.query(new java.io.File("C:\input.rdf"),"~~ Pablo Picasso"); } catch(Exception e) { System.out.println(e); }
Constructor Summary | |
eRqlEngine()
Constructs an eRqlEngine-instance. |
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eRqlEngine(OutputStream output)
Constructs an eRqlEngine-instance and sets the output-stream for printing error- and debug-messages. |
Method Summary | |
Tuples |
query(File rdfFile,
String queryString)
Evaluates the eRQL query queryString . |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public eRqlEngine(OutputStream output)
output
- Output-stream for printing error- and debug-messages.public eRqlEngine()
Method Detail |
public Tuples query(File rdfFile, String queryString) throws Exception
queryString
.
rdfFile
- The RDF file to query.queryString
- The query string to query.
Exception
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eRqlEngine API documentation - http://www.wleklinski.de/rdf/ | ||||||||||
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