openCypher

graph query language property graphs opencypher cypher graph query graph database query language multiple graphs sql subquery regular path query tck formal semantics graph pattern matching graph path pattern matching graph query composition rpq graph views graphql linked data gql composable graph queries pgql g-core gremlin temporal graphs query language specification query language semantics graph view query chaining graph query procedure isomorphism homomorphism graph processing graph analytics cypher for apache spark apache spark regular expressions path pattern query database constraints combinators query composition multiple graph pattern matching constraints schema grammar specification neo4j