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"In order to lower the barrier for developers towards Linked Data consumption, the Linked Open Data cloud needs to be queryable with GraphQL as well. In this article, we introduce GraphQL-LD, an approach that consists of a method for transforming GraphQL queries coupled with a JSON-LD context to SPARQL, and a method for converting SPARQL results to the GraphQL query-compatible response. "

rdf-pub is an activity-pub server implementation, that is not limited to the activity-stream vocabulary, but supports RDF in general.