Query Answering Under Volume-Based Diversity Functions
Summary: Introduces volume-based diversity functions for query answers, avoiding unintuitive pairwise-distance aggregation. Despite NP-hardness for conjunctive queries, guarantees a universal (1−1/e)-approximation and links efficient computation to ranked enumeration. (summarized by gpt-5.6-luna on Jul 09 2026)
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Authors
- 1. Marcelo Arenas (IMFD Chile; Pontifical Catholic University of Chile; RelationalAI)
- 2. Timo Camillo Merkl (Vienna University of Technology)
- 3. Reinhard Pichler (Vienna University of Technology)
- 4. Cristian Riveros (IMFD Chile; Pontifical Catholic University of Chile)
BibTeX Citation
@inproceedings{arenas_pods26,
address = {New York, NY, USA},
series = {{PODS} '26},
title = {{Query Answering Under Volume-Based Diversity Functions}},
url = {https://dl.acm.org/doi/10.1145/3767717},
doi = {10.1145/3767717},
booktitle = {Proceedings of the {ACM} {SIGMOD} Symposium on {Principles} of {Database} {Systems}},
publisher = {Association for Computing Machinery},
author = {Arenas, Marcelo and Merkl, Timo Camillo and Pichler, Reinhard and Riveros, Cristian},
year = {2026}
}
Incoming Citations (Sorted by Pagerank)
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Outgoing Citations (Sorted by Pagerank)
Showing 8 of 8 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 358 | FAQ: Questions Asked Frequently | 2016 | PODS | 0.00020243592 |
| 382 | Conjunctive-Query Containment and Constraint Satisfaction | 1998 | PODS | 0.00019546431 |
| 585 | Lineage Tracing for General Data Warehouse Transformations | 2001 | VLDB | 0.00016139897 |
| 973 | RankSQL: Query Algebra and Optimization for Relational Top-k Queries | 2005 | SIGMOD | 0.00012874284 |
| 1,759 | Rank-aware Query Optimization | 2004 | SIGMOD | 9.8160244e-05 |
| 5,862 | RankSQL: Supporting Ranking Queries in Relational Database Management Systems | 2005 | VLDB | 6.0635561e-05 |
| 5,918 | Towards Tractability of the Diversity of Query Answers: Ultrametrics to the Rescue | 2024 | PODS | 6.0427671e-05 |
| 8,728 | Computing A Well-Representative Summary of Conjunctive Query Results | 2024 | PODS | 5.3766157e-05 |
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