Default Negation for Non-Guarded Existential Rules
Summary: Extend sticky (non-guarded) existential rules with default negation and analyze conjunctive query answering complexity under well-founded and stable model semantics. Provide data and combined complexity bounds for the well-founded case but prove stable models incompatible due to stickiness enabling cartesian-product encodings. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Mario Alviano
- 2. Andreas Pieris
Incoming Citations (Sorted by Pagerank)
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| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 11,770 | Stable Model Semantics for Tuple-Generating Dependencies Revisited | 2017 | PODS | 5.1725247e-05 |
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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 |
|---|---|---|---|---|
| 6,125 | Well-Founded Semantics for Extended Datalog and Ontological Reasoning | 2013 | PODS | 6.0346122e-05 |
| 9,747 | Expressive Languages for Querying the Semantic Web | 2014 | PODS | 5.2795863e-05 |
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