Examples
Worked examples
- Is an instance
The Wikidata Query Service at query.wikidata.org.
- Is an instance
A VIVO SPARQL endpoint exposing institutional researcher and publication graph data.
Counter-examples
Looks similar, but isn't
- Not an instance
A REST API returning JSON-LD without SPARQL support is not a SPARQL endpoint.
- Not an instance
An OAI-PMH endpoint is not a SPARQL endpoint.
Editorial commentary
SPARQL endpoints are the canonical query interface for RDF triple stores and linked-data repositories. Implementations include Apache Jena Fuseki, Virtuoso, Blazegraph, Stardog, GraphDB, and Oxigraph. In research-information contexts, SPARQL endpoints power VIVO researcher profile federations, OpenCitations queries, Wikidata-based scholarly graphs, and many domain-specific knowledge graphs. SPARQL endpoint scalability is a recurrent operational concern, motivating intermediate solutions such as Triple Pattern Fragments.
References
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Also known as
SPARQL service
Machine-readable encodings
Use in your systems
<role vocab="credit"
vocab-identifier="https://casrai.org/dictionary/"
vocab-term="SPARQL endpoint"
vocab-term-identifier="https://casrai.org/dictionary/term/sparql-endpoint" />{
"@context": "https://schema.org",
"@type": "DefinedTerm",
"name": "SPARQL endpoint",
"identifier": "https://casrai.org/dictionary/term/sparql-endpoint",
"description": "An HTTP endpoint that accepts SPARQL queries (the W3C-standard query language for RDF) against an RDF dataset and returns results in standard formats (XML, JSON, CSV, TSV), implementing the SPARQL 1.1 Protocol.",
"inDefinedTermSet": "https://casrai.org/dictionary/domain/research-information-systems-and-integration/",
"url": "https://casrai.org/dictionary/term/sparql-endpoint",
"sameAs": [
"SPARQL service"
],
"license": "https://creativecommons.org/licenses/by/4.0/"
}
