Queries with Guarded Negation
Summary: GN-SQL and GN-Datalog: guarded-negation fragment; negation allowed as E1 − E2 when E1 is a projection, subsuming CQs, Datalog, tgds. Decidability: containment, semantics, boundedness; evaluation is easier than with unguarded negation, enabling planning. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Vince Bárány
- 2. Balder ten Cate
- 3. Martin Otto
Incoming Citations (Sorted by Pagerank)
Showing 5 of 5 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 6,246 | Ontology-based Data Access: A Study through Disjunctive Datalog, CSP, and MMSNP | 2013 | PODS | 6.0038233e-05 |
| 6,790 | A Dichotomy for Non-repeating Queries with Negation in Probabilistic Databases | 2014 | PODS | 5.8317256e-05 |
| 8,140 | Expressiveness of Guarded Existential Rule Languages | 2014 | PODS | 5.5419908e-05 |
| 11,388 | Rewriting the Infinite Chase | 2022 | VLDB | 5.1725247e-05 |
| 11,636 | Programmable View Update Strategies on Relations | 2020 | VLDB | 5.1725247e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 1 of 1 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 2,175 | Monadic Datalog and the Expressive Power of Languages for Web Information Extraction | 2002 | PODS | 9.0847701e-05 |
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Semantically Similar Papers
| Overall Rank | Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 4,274 | Languages for Relational Databases over Interpreted Structures | 1997 | PODS | 6.8586833e-05 |
| 2,275 | Containment and Minimization of Positive Conjunctive Queries in OODB's (Extended Abstract) | 1992 | PODS | 8.8965105e-05 |
| 6,125 | Well-Founded Semantics for Extended Datalog and Ontological Reasoning | 2013 | PODS | 6.0346122e-05 |
| 4,285 | Chase Termination for Guarded Existential Rules | 2015 | PODS | 6.8535952e-05 |
| 4,156 | Safe Constraint Queries | 1998 | PODS | 6.9267856e-05 |
| 11,560 | The Limits of Efficiency for Open- and Closed-World Query Evaluation Under Guarded TGDs | 2020 | PODS | 5.1725247e-05 |
| 1,614 | On the Decidability of Query Containment under Constraints | 1998 | PODS | 0.00010289905 |
| 11,906 | Default Negation for Non-Guarded Existential Rules | 2015 | PODS | 5.1725247e-05 |
| 8,439 | Negation as Failure for First-Order Queries (Extended Abstract) | 1986 | PODS | 5.4958075e-05 |
| 8,140 | Expressiveness of Guarded Existential Rule Languages | 2014 | PODS | 5.5419908e-05 |