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sparql

README.md

barnard59-sparql

SPARQL support for Barnard59 Linked Data pipelines. This package exports operations to run SPARQL queries on endpoints that support the SPARQL Protocol.

Operations

construct

Runs a construct or describe query and parses the response into RDF/JS Quad stream.

  • endpoint: URL of the SPARQL endpoint as a string.
  • query: The SPARQL construct or describe query as a string.
  • user: User for basic authentication.
  • password: Password for basic authentication.
  • operation: The HTTP operation to use ('get' | 'postUrlencoded' | 'postDirect').

select

Runs a select query and returns each row of the results as single chunk object. The chunk object contains key-value pairs for each variable of the select query.

  • endpoint: URL of the SPARQL endpoint as a string.
  • query: The SPARQL select query as a string.
  • user: User for basic authentication.
  • password: Password for basic authentication.
  • operation: The HTTP operation to use ('get' | 'postUrlencoded' | 'postDirect').