QRelX: Generating Meaningful Queries that Provide Cardinality Assurance
Summary: QRelX auto-generates alternate queries that satisfy cardinality and closeness constraints, fixing cardinality assurance gaps in DB systems. It uses query-space transformation, proximity search, and incremental cardinality estimation, with an interactive demo. (summarized by gpt-5-nano on Feb 09 2026)
Incoming Non-self Citations Over Time
Authors
- 1. Manasi Vartak (Worcester Polytechnic Institute)
- 2. Venkatesh Raghavan (Worcester Polytechnic Institute)
- 3. Elke A. Rundensteiner (Worcester Polytechnic Institute)
BibTeX Citation
@inproceedings{vartak_sigmod10,
title = {{QRelX: Generating Meaningful Queries that Provide Cardinality Assurance}},
author = {Vartak, Manasi and Raghavan, Venkatesh and Rundensteiner, Elke A.},
series = {{SIGMOD} '10},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/1807167.1807323},
url = {https://dl.acm.org/doi/10.1145/1807167.1807323},
year = {2010}
}Incoming Citations (Sorted by Pagerank)
Showing 4 of 4 citing papers.
| Rank | Citing Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 1,854 | Detecting Logic Bugs of Join Optimizations in DBMS | 2023 | SIGMOD | 9.4858897e-05 |
| 5,540 | Randomized Error Removal for Online Spread Estimation in Data Streaming | 2021 | VLDB | 6.0739875e-05 |
| 8,426 | Detecting Schema-Related Logic Bugs in Relational DBMSs via Equivalent Database Construction | 2025 | VLDB | 5.3187835e-05 |
| 11,645 | Enhancing Accuracy for Super Spreader Identification in High-Speed Data Streams | 2024 | VLDB | 4.9605343e-05 |
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Outgoing Citations (Sorted by Pagerank)
Showing 4 of 4 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 398 | On Saying "Enough Already!" in SQL | 1997 | SIGMOD | 0.00019117739 |
| 1,649 | Relaxing Join and Selection Queries | 2006 | VLDB | 9.9699016e-05 |
| 1,901 | Generating Targeted Queries for Database Testing | 2008 | SIGMOD | 9.3902763e-05 |
| 6,224 | Efficient Detection of Empty-Result Queries | 2006 | VLDB | 5.828372e-05 |
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| 6 | 983 | Cardinality Estimation in DBMS: A Comprehensive Benchmark Evaluation | 2022 | VLDB |
| 7 | 5,223 | Exact Cardinality Query Optimization with Bounded Execution Cost | 2019 | SIGMOD |
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