API Guide: REST and SPARQL

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Niels H. Christensen edited this page Aug 24, 2015 · 17 revisions

SPARQL API

Retrieve all the planets:

/ds?query=SELECT * WHERE { ?planet <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://ontology.projectchronos.eu/astronomy/Planet>. }

Retrieve all the planetary bodies (satellites)

/ds?query=SELECT * WHERE { ?satellites <http://ontology.projectchronos.eu/astronomy/orbitsPlanet> ?planet}

Retrieve other bodies orbiting Sun

/ds?query=SELECT * WHERE{?s <http://ontology.projectchronos.eu/astronomy/orbiting> <http://ontology.projectchronos.eu/solarsystem/Sun>}

REST Hypermedia API

first example of component