Below and Above Why-Provenance for Datalog Queries
Summary: Why-provenance for Datalog queries is NP-complete in data complexity. The authors prove that why-minimal-provenance yields tractable data complexity, and that why-multiplicity-provenance remains tractable except for one surprising PSPACE-complete case. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Marco Calautti
- 2. Ester Livshits
- 3. Andreas Pieris
- 4. Markus Schneider
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Outgoing Citations (Sorted by Pagerank)
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Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 31 | Provenance Semirings | 2007 | PODS | 0.0007857786 |
| 2,907 | Convergence of Datalog over (Pre-) Semirings | 2022 | PODS | 7.933806e-05 |
| 8,125 | The Complexity of Why-Provenance for Datalog Queries | 2024 | PODS | 4.5797807e-05 |
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