Incremunica Group Query Operation Actor

An incremental Query Operation actor that handles SPARQL GROUP BY operations.

Install

$ yarn add @incremunica/actor-query-operation-group
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Configure

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

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@incremunica/actor-query-operation-group/^2.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:query-operation/actors#group",
      "@type": "ActorQueryOperationGroup",
      "mediatorQueryOperation": { "@id": "#mediatorQueryOperation" },
      "mediatorMergeBindingsContext": { "@id": "urn:comunica:default:merge-bindings-context/mediators#main" },
      "expressionEvaluatorFactory": { "@id": "urn:comunica:default:expression-evaluator/evaluators#main" }
    }
  ]
}
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Config Parameters

• mediatorQueryOperation: A mediator over the Query Operation bus.
• mediatorMergeBindingsContext: A mediator over the Merge Bindings Context bus.
• mediatorHashBindings: A mediator over the Hash Bindings bus.
• expressionEvaluatorFactory: A factory to create an Expression Evaluator;