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Processing First-Order Queries under Limited Access Patterns

Summary: Extends feasibility under access-patterns to full first-order queries, proving its decision complexity mirrors query-containment and is undecidable in many fragments. Offers an NP-checkable approximation (P for UCQs with negation) and sketches a practical processing strategy. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
1333
Venue
PODS
Year
2004
Pagerank
7.6230903e-05
Overall Rank
3,065 | 78.68%
DOI
-

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