Discovery of Approximate (and Exact) Denial Constraints
Summary: DCFINDER automatically discovers exact and approximate denial constraints, addressing noisy data and the large DC search space. It combines position-list indexes with predicate-selectivity pruning, outperforming prior approximate-DC discovery methods. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Eduardo H. M. Pena (Federal University of Parana)
- 2. Eduardo C. de Almeida (Federal University of Parana)
- 3. Felix Naumann (Hasso Plattner Institute; University of Potsdam)
BibTeX Citation
@article{pena_vldb20,
title = {{Discovery of Approximate (and Exact) Denial Constraints}},
author = {Pena, Eduardo H. M. and de Almeida, Eduardo C. and Naumann, Felix},
journal = {PVLDB},
series = {{VLDB} '20},
volume = {13},
number = {3},
pages = {266--278},
doi = {10.14778/3368289.3368293},
url = {https://doi.org/10.14778/3368289.3368293},
year = {2020}
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