Extremal Fitting Problems for Conjunctive Queries
Summary: Defines extremal refinements of CQ fitting (most-general, most-specific, unique) and gives constructive characterizations via homomorphism dualities, frontiers, and direct products. Determines complexity and size bounds for existence/verification and extends results to UCQs and tree CQs. (summarized by gpt-5-mini on Feb 09 2026)
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Authors
- 1. Balder ten Cate
- 2. Victor Dalmau
- 3. Maurice Funk
- 4. Carsten Lutz
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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 |
|---|---|---|---|---|
| 1,456 | Query From Examples: An Iterative, Data-Driven Approach to Query Construction | 2015 | VLDB | 0.00011891284 |
| 2,130 | Characterizing Schema Mappings via Data Examples | 2010 | PODS | 9.4784293e-05 |
| 3,872 | Designing and Refining Schema Mappings via Data Examples | 2011 | SIGMOD | 6.6737583e-05 |
| 6,147 | Ontology-based Data Access: A Study through Disjunctive Datalog, CSP, and MMSNP | 2013 | PODS | 5.1840098e-05 |
| 6,345 | A Relational Framework for Classifier Engineering | 2017 | PODS | 5.0970607e-05 |
| 11,643 | Regularizing Conjunctive Features for Classification | 2019 | PODS | 4.1905499e-05 |
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