Comunica QPF Query Source Identify Hypermedia Actor

A Query Source Identify Hypermedia actor that handles Triple Pattern Fragments, Quad Pattern Fragments, and bindings-restricted Triple Pattern Fragments interfaces. It sends triple/quad pattern queries to the interfaces and follows next-page links.

This module is part of the Comunica framework, and should only be used by developers that want to build their own query engine.

Click here if you just want to query with Comunica.

Install

$ yarn add @comunica/actor-query-source-identify-hypermedia-qpf

Configure

After installing, this package can be added to your engine's configuration as follows:

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-query-source-identify-hypermedia-qpf/^1.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:query-source-identify-hypermedia/actors#qpf",
      "@type": "ActorQuerySourceIdentifyHypermediaQpf",
      "mediatorDereferenceRdf": { "@id": "urn:comunica:default:dereference-rdf/mediators#main" },
      "mediatorMetadata": { "@id": "urn:comunica:default:rdf-metadata/mediators#main" },
      "mediatorMetadataExtract": { "@id": "urn:comunica:default:rdf-metadata-extract/mediators#main" },
      "mediatorMergeBindingsContext": { "@id": "urn:comunica:default:merge-bindings-context/mediators#main" }
    }
  ]
}

Config Parameters

• mediatorDereferenceRdf: A mediator over the RDF Dereference bus.
• mediatorMetadata: A mediator over the RDF Metadata bus.
• mediatorMetadataExtract: A mediator over the RDF Metadata Extract bus.
• mediatorMergeBindingsContext: A mediator over the Merge Bindings Context bus.