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Packages that use RDFRelation | |
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de.fuberlin.wiwiss.d2rq.algebra | Implementation of an RDF-based relational algebra. |
de.fuberlin.wiwiss.d2rq.fastpath | D2RQ's Fastpath query implementation is able to translate a basic graph pattern (a set of triples that may contain variables) into a single SQL expression. |
Uses of RDFRelation in de.fuberlin.wiwiss.d2rq.algebra |
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Classes in de.fuberlin.wiwiss.d2rq.algebra that implement RDFRelation | |
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class |
TripleRelation
A respresentation of a d2rq:PropertyBridge, describing how a set of virtual triples are to be obtained from a database. |
class |
UnionOverSameBase
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Fields in de.fuberlin.wiwiss.d2rq.algebra declared as RDFRelation | |
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static RDFRelation |
RDFRelation.EMPTY
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Methods in de.fuberlin.wiwiss.d2rq.algebra that return RDFRelation | |
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RDFRelation |
JoinOptimizer.optimize()
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RDFRelation |
RDFRelation.renameColumns(ColumnRenamer renamer)
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RDFRelation |
TripleRelation.renameColumns(ColumnRenamer renamer)
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RDFRelation |
UnionOverSameBase.renameColumns(ColumnRenamer renamer)
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RDFRelation |
RDFRelation.selectTriple(com.hp.hpl.jena.graph.Triple triplePattern)
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RDFRelation |
TripleRelation.selectTriple(com.hp.hpl.jena.graph.Triple t)
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RDFRelation |
UnionOverSameBase.selectTriple(com.hp.hpl.jena.graph.Triple triplePattern)
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RDFRelation |
TripleRelation.withPrefix(int index)
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Methods in de.fuberlin.wiwiss.d2rq.algebra with parameters of type RDFRelation | |
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static boolean |
UnionOverSameBase.isSameBase(RDFRelation first,
RDFRelation second)
Checks if two RDFRelation s can be combined into
a single SQL statement. |
Constructors in de.fuberlin.wiwiss.d2rq.algebra with parameters of type RDFRelation | |
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JoinOptimizer(RDFRelation base)
Constructs a new JoinOptimizer. |
Uses of RDFRelation in de.fuberlin.wiwiss.d2rq.fastpath |
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Methods in de.fuberlin.wiwiss.d2rq.fastpath that return RDFRelation | |
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RDFRelation[][] |
FastpathEngine.candidateRelationsForEachTriple(com.hp.hpl.jena.graph.Triple[] triples)
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Methods in de.fuberlin.wiwiss.d2rq.fastpath with parameters of type RDFRelation | |
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void |
ConstraintHandler.setTripleQueryConjunction(RDFRelation[] conjunction)
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Constructors in de.fuberlin.wiwiss.d2rq.fastpath with parameters of type RDFRelation | |
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ConstraintHandler.NodeMakerIterator(RDFRelation[] conjunction,
Set indexSet)
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PQCResultIterator(RDFRelation[][] tripleQueries,
VariableBindings variableBindings,
Collection constraints)
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