Graph Query Language: Difference between revisions

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Add information about current status of standardization of GQL together with a reference to its first open source implementation and article about its release.
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Additional aspects of the ERM or UML models (like generalization or subtyping, or entity or relationship cardinalities) may be captured by GQL schemas or types that describe possible instances of the general data model.
 
=== The first implementation ===
Although the GQL Standard is not yet publicly available, the first in-memory graph database that can interpret GQL is available <ref name="GQL Parser">{{cite web|url=https://github.com/OlofMorra/GQL-parser|title=GQL Parser|last=|first=|date=|website=|publisher=|accessdate=January 18, 2021}}</ref>, <ref name="First GQL research implementation from Olof Morra at TU Eindhoven!">{{cite web|url=https://www.linkedin.com/pulse/first-gql-research-implementation-from-olof-morra-tu-eindhoven-green/?trackingId=B4cNxk7uqZEPZgsZh2%2FWHw%3D%3D|title=First GQL research implementation from Olof Morra at TU Eindhoven!|publisher=Alastair Green|accessdate=January 18, 2021}}</ref>. Aside from the implementation, one can also find a formalization and read the syntax of the specific subset of GQL <ref name="A Semantics of GQL; a New Query Language for Property Graphs Formalized">{{cite web|url=https://github.com/OlofMorra/GQL-parser/blob/main/src/main/resources/report/A%20Semantics%20of%20GQL;%20a%20New%20Query%20Language%20forProperty%20Graphs%20Formalized.pdf|title=A Semantics of GQL; a New Query Language for Property Graphs Formalized|last=|first=|date=|website=|publisher=Olof Morra|accessdate=January 18, 2021}}</ref>.
 
==WG3: Extending SQL and creating GQL ==