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Computer Science > Databases

arXiv:2304.05070 (cs)
[Submitted on 11 Apr 2023 (v1), last revised 20 Apr 2023 (this version, v2)]

Title:Static Analysis of Graph Database Transformations

Authors:Iovka Boneva (CRIStAL, LINKS), Benoit Groz (LISN, LaHDAK), Jan Hidders, Filip Murlak (UW), Slawomir Staworko (CRIStAL, LINKS)
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Abstract:We investigate graph transformations, defined using Datalog-like rules based on acyclic conjunctive two-way regular path queries (acyclic C2RPQs), and we study two fundamental static analysis problems: type checking and equivalence of transformations in the presence of graph schemas. Additionally, we investigate the problem of target schema elicitation, which aims to construct a schema that closely captures all outputs of a transformation over graphs conforming to the input schema. We show all these problems are in EXPTIME by reducing them to C2RPQ containment modulo schema; we also provide matching lower bounds. We use cycle reversing to reduce query containment to the problem of unrestricted (finite or infinite) satisfiability of C2RPQs modulo a theory expressed in a description logic.
Subjects: Databases (cs.DB)
Cite as: arXiv:2304.05070 [cs.DB]
  (or arXiv:2304.05070v2 [cs.DB] for this version)
  https://doi.org/10.48550/arXiv.2304.05070
Journal reference: Symposium on Principles of Database Systems, Jun 2023, Seattle, United States

Submission history

From: Benoit Groz [view email] [via CCSD proxy]
[v1] Tue, 11 Apr 2023 09:06:44 UTC (108 KB)
[v2] Thu, 20 Apr 2023 09:07:32 UTC (111 KB)
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