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The Neo4j Graph database was lacking a declarative query language. ...
The Neo4j Graph database was lacking a declarative query language.
We wanted to add a humane query language which is easy to read and understand. It borrows on other languages like SQL and SPARQL but brings it it's own flavor. Cypher uses ASCII ART to describe graph patterns that you're looking for.
We used Scala's parser combinator library in combination with functional approaches and lazy evaluation to develop the Cypher query language.
The talk describes the internals of the Cypher implementation.