Comunica Query Accepted RDF Metadata Extract Actor

An RDF Metadata Extract actor that extracts the Accept-Query header, which servers use to advertise support for the HTTP QUERY method (RFC 10008) together with the query formats they accept.

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-rdf-metadata-extract-query-accepted

Metadata entries

This actor adds the following entries to the metadata object.

• queryAccepted: [ 'application/sparql-query', ... ].

Media type parameters and weights are stripped, so an Accept-Query value of application/sparql-query;charset=utf-8;q=0.9 is extracted as application/sparql-query.

Configure

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

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-rdf-metadata-extract-query-accepted/^5.0.0/components/context.jsonld"
  ],
  "actors": [
    ...
    {
      "@id": "urn:comunica:default:rdf-metadata-extract/actors#query-accepted",
      "@type": "ActorRdfMetadataExtractQueryAccepted"
    }
  ]
}