PG-FD: Mapping Functional Dependencies to the Future Property Graph Schema Standard ⋆ - Université Paris Dauphine
Conference Papers Year : 2024

PG-FD: Mapping Functional Dependencies to the Future Property Graph Schema Standard ⋆

Abstract

There has been a notable effort, in the past five years, to develop and promote GQL as a standard for querying graph data, akin to the role SQL plays in relational data querying. Although this goal is still a work in progress, the graph database community has been advancing by not only defining the GQL specification but also introducing additional specifications such as PG-Key and later PG-Schema for specifying graph schema and dependencies. In this regard, a number of proposals have been made in the literature for expressing FD-like dependencies in graph data. Our first contribution is a survey of such proposals, highlighting important ones and their differences. Our second contribution is a solution for translating dependencies defined within such proposals into dependencies that conform to PG-Schema. Our solution is accompanied by a working prototype for translating graph dependencies into PG-Schema compliant dependencies.
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Dates and versions

hal-04679790 , version 1 (28-08-2024)

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Maude Manouvrier, Khalid Belhajjame. PG-FD: Mapping Functional Dependencies to the Future Property Graph Schema Standard ⋆. Symposium on Advances in Databases and Information Systems (ADBIS), Aug 2024, Bayonne, France. pp.45-59, ⟨10.1007/978-3-031-70626-4_4⟩. ⟨hal-04679790⟩
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