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tau-LevelIndex: Towards Efficient Query Processing in Continuous Preference Space

Summary: tau-LevelIndex: a general index for continuous preference space enabling fast processing of top-k queries (kSPR, UTK, ORU). Efficient construction exploiting space properties; experiments show low space/time costs and 2–3 orders of magnitude speedups over specialized solutions. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
h65aa301e469ea077
Venue
SIGMOD
Year
2022
Pagerank
4.9769913e-05
Overall Rank
11,880 | 20.16%
DOI
10.1145/3514221.3526182

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Authors

BibTeX Citation

@inproceedings{zhang_sigmod22,
        title = {{tau-LevelIndex: Towards Efficient Query Processing in Continuous Preference Space}},
        author = {Zhang, Jiahao and Tang, Bo and Yiu, Man Lung and Yan, Xiao and Li, Keming},
        series = {{SIGMOD} '22},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3514221.3526182},
        url = {https://dl.acm.org/doi/10.1145/3514221.3526182},
        year = {2022}
}

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Outgoing Citations (Sorted by Pagerank)

Showing 20 of 20 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
2 R-Trees: A Dynamic Index Structure For Spatial Searching 1984 SIGMOD 0.0019923528
4 The R*-tree: An Efficient and Robust Access Method for Points and Rectangles 1990 SIGMOD 0.0011402175
342 The Onion Technique: Indexing for Linear Optimization Queries 2000 SIGMOD 0.00020520649
418 PREFER: A System for the Efficient Execution of Multiparametric Ranked Queries 2001 SIGMOD 0.00018609134
2,485 Processing a Large Number of Continuous Preference Top-k Queries 2012 SIGMOD 8.3954142e-05
2,621 Ranking with Uncertain Scoring Functions: Semantics and Sensitivity Measures 2011 SIGMOD 8.2130891e-05
2,958 Answering Why-not Questions on Reverse Top-k Queries 2015 VLDB 7.80653e-05
4,548 Identifying the Most Influential Data Objects with Reverse Top-k Queries 2010 VLDB 6.5394775e-05
4,616 Branch-and-Bound Algorithm for Reverse Top-k Queries 2013 SIGMOD 6.4983802e-05
5,627 Reconciling Skyline and Ranking Queries 2017 VLDB 6.0578274e-05
6,066 k-Hit Query: Top-k Query with Probabilistic Utility Function 2015 SIGMOD 5.8950525e-05
6,178 Exact Processing of Uncertain Top-k Queries in Multi-criteria Settings 2018 VLDB 5.8581814e-05
6,382 Maximum Rank Query 2015 VLDB 5.805942e-05
6,761 Marrying Top-k with Skyline Queries: Relaxing the Preference Input while Producing Output of Controllable Size 2021 SIGMOD 5.6873442e-05
6,972 Global Immutable Region Computation 2014 SIGMOD 5.6281923e-05
7,964 Computing Immutable Regions for Subspace Top-k Queries 2013 VLDB 5.4143673e-05
8,819 Finding Pareto Optimal Groups: Group-based Skyline 2015 VLDB 5.2698279e-05
9,002 Creating Top Ranking Options in the Continuous Option and Preference Space 2019 VLDB 5.23944e-05
9,181 Determining the Impact Regions of Competing Options in Preference Space 2017 SIGMOD 5.2115802e-05
10,091 On m-Impact Regions and Standing Top-k Influence Problems 2021 SIGMOD 5.0806786e-05
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