LinCQA: Faster Consistent Query Answering with Linear Time Guarantees
Summary: Identifies a class of acyclic SPJ queries where CQA has SQL rewritings with linear-time guarantees. Extends Yannakakis' acyclic-join approach to inconsistent data; LinCQA outputs SQL and non-recursive Datalog with negation, speedups over prior CQA systems. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Zhiwei Fan (University of Wisconsin)
- 2. Paraschos Koutris (University of Wisconsin)
- 3. Xiating Ouyang (University of Wisconsin)
- 4. Jef Wijsen (University of Mons)
BibTeX Citation
@inproceedings{fan_sigmod23,
title = {{LinCQA: Faster Consistent Query Answering with Linear Time Guarantees}},
author = {Fan, Zhiwei and Koutris, Paraschos and Ouyang, Xiating and Wijsen, Jef},
series = {{SIGMOD} '23},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3588718},
url = {https://dl.acm.org/doi/10.1145/3588718},
year = {2023}
}Incoming Citations (Sorted by Pagerank)
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| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 11,121 | Consistent Query Answering for Primary Keys on Rooted Tree Queries | 2024 | PODS | 5.093636e-05 |
| 11,146 | Computing Range Consistent Answers to Aggregation Queries via Rewriting | 2024 | PODS | 5.093636e-05 |
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