Packages

package query

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Value Members

  1. object DataLake

    Run SPARQL queries over Spark using Data Lake approach.

  2. object GraphQuery
  3. object HDTQuery
  4. object SPARQLEndpointExample

    This example shows how to run SPARQL queries over Spark using a SPARQL-to-SQL rewriter under the hood.

    This example shows how to run SPARQL queries over Spark using a SPARQL-to-SQL rewriter under the hood. The RDF data can be provided either as triples file or even as a pre-partitioned dataset maintained in tables of a Spark database and a corresponding R2RML mapping file.

    Two different modes for demonstrator purposes can be used: - run a single query - start a SPARQL endpoint with a Web UI as optional interface

  5. object SPARQLExample

    An example stub how to work with the SPARQL query engine.

    An example stub how to work with the SPARQL query engine.

    Note

    Never forget to set a Spark master URL

  6. object Semantic

    Run SPARQL queries over Spark using Semantic partitioning approach.

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