On the First-Order Expressibility of Recursive Queries
Summary: Establishes that for several syntactic fragments of Datalog, first-order (FO) expressibility over finite structures coincides with boundedness (equivalence to recursion-free Datalog). Consequences: FO-expressibility undecidable for binary programs, decidable for monadic ones, and Σ^0_2-complete in general (e.g., transitive closure/path is non-FO). (summarized by gpt-5-mini on Feb 09 2026)
Incoming Non-self Citations Over Time
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Incoming Citations (Sorted by Pagerank)
Showing 1 of 1 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 3,413 | On the Complexity of Equivalence between Recursive and Nonrecursive Datalog Programs | 1994 | PODS | 7.1240395e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 8 of 8 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 77 | An Amateur's Introduction to Recursive Query Processing Strategies | 1986 | SIGMOD | 0.00057043861 |
| 537 | Parallel Evaluation of Recursive Rule Queries | 1986 | PODS | 0.0002068591 |
| 617 | A Time Bound on the Materialization of Some Recursively Defined Views | 1985 | VLDB | 0.00019090876 |
| 1,185 | Data Independent Recursion in Deductive Databases | 1986 | PODS | 0.00013445831 |
| 1,196 | On Computing Restricted Projections of Representative Instances | 1985 | PODS | 0.00013403617 |
| 1,712 | Bounds on the Propagation of Selection into Logic Programs | 1987 | PODS | 0.00010804573 |
| 1,991 | Decidability and Undecidability Results for Boundedness of Linear Recursive Queries | 1988 | PODS | 9.84713e-05 |
| 2,206 | A Decidable Class of Bounded Recursions | 1987 | PODS | 9.2910236e-05 |
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| 9,280 | A Theory of Regular Queries | 2016 | PODS | 4.3636639e-05 |
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| 1,991 | Decidability and Undecidability Results for Boundedness of Linear Recursive Queries | 1988 | PODS | 9.84713e-05 |
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