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Towards an Efficient Evaluation of General Queries: Quantifier and Disjunction Processing Revisited

Summary: Relational-algebra approach to quantified/disjunctive queries, avoiding non-algebraic methods. Two-phase: canonical form; translate with complement-join, universal-quantifier algebra, and constrained outer-joins; yields competitive efficiency. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
2440
Venue
SIGMOD
Year
1989
Pagerank
5.2148332e-05
Overall Rank
6,090 | 57.64%
DOI
-

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