@comunica/actor-rdf-parse-jsonld

Comunica JSON-LD RDF Parse Actor

An RDF Parse actor that handles JSON-LD.

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-parse-jsonld

Configure

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

{
  "@context": [
    ...
    "https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-rdf-parse-jsonld/^1.0.0/components/context.jsonld"  
  ],
  "actors": [
    ...
    {
      "@id": "config-sets:rdf-parsers.json#myRdfParserJsonLd",
      "@type": "ActorRdfParseJsonLd",
      "priorityScale": 0.9,
      "crpjl:Actor/RdfParse/JsonLd/mediatorHttp": { "@id": "config-sets:http.json#mediatorHttp" }
    }
  ]
}

Config Parameters

• caam:Actor/AbstractMediaTypedFixed/priorityScale: An optional priority for this parser, used for content negotiation, defaults to 1.
• crpjl:Actor/RdfParse/JsonLd/mediatorHttp: A mediator over the HTTP bus, for fetching remote JSON-LD contexts.

Changelog

v1.17.0 - 2020-09-25

Added

• Include request headers in logs, Closes #703
• Include user agent in node-fetch HTTP actor

Changed

• Update to asynciterator 3.0.3 to fix hanging queries
• Make metadata retrieval more robust, and fix errors where metadata is emitted before end event
• Make logger data argument lazy
• Tweak priorities to let endpoint default to application/json, Closes #662
• Increase default Turtle priority to 0.6, higher than RDF/XML
• Update to @types/rdf-js 4
• Migrate to rdf-data-factory

Fixed

• Update to JSON-LD context parser with schema.org fix
• Fix redirect not including query parameter

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