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Modelling Non Deterministic Queries and Updates In Deductive Databases

Summary: Introduces PCN, a Petri-net-inspired formalism for non-deterministic rule programs in deductive databases. Extends RDL1 with head updates, separating static-rule topology from dynamic semantics to unify query/update processing and enable optimization. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
7869
Venue
VLDB
Year
1988
Pagerank
4.9598818e-05
Overall Rank
6,693 | 53.44%
DOI
-

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