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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
6552
Venue
SIGMOD
Year
2022
Pagerank
5.093636e-05
Overall Rank
11,565 | 20.66%
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 0.0020210012
4 The R*-tree: An Efficient and Robust Access Method for Points and Rectangles 1990 SIGMOD 0.001157935
333 The Onion Technique: Indexing for Linear Optimization Queries 2000 SIGMOD 0.0002089582
407 PREFER: A System for the Efficient Execution of Multiparametric Ranked Queries 2001 SIGMOD 0.00019021441
2,427 Processing a Large Number of Continuous Preference Top-k Queries 2012 SIGMOD 8.5915976e-05
2,571 Ranking with Uncertain Scoring Functions: Semantics and Sensitivity Measures 2011 SIGMOD 8.4029939e-05
2,895 Answering Why-not Questions on Reverse Top-k Queries 2015 VLDB 7.9829449e-05
4,466 Identifying the Most Influential Data Objects with Reverse Top-k Queries 2010 VLDB 6.6844194e-05
4,514 Branch-and-Bound Algorithm for Reverse Top-k Queries 2013 SIGMOD 6.6500719e-05
5,496 Reconciling Skyline and Ranking Queries 2017 VLDB 6.1983381e-05
5,944 k-Hit Query: Top-k Query with Probabilistic Utility Function 2015 SIGMOD 6.0328749e-05
6,052 Exact Processing of Uncertain Top-k Queries in Multi-criteria Settings 2018 VLDB 5.9941393e-05
6,249 Maximum Rank Query 2015 VLDB 5.9418925e-05
6,636 Marrying Top-k with Skyline Queries: Relaxing the Preference Input while Producing Output of Controllable Size 2021 SIGMOD 5.8172769e-05
6,830 Global Immutable Region Computation 2014 SIGMOD 5.759977e-05
7,806 Computing Immutable Regions for Subspace Top-k Queries 2013 VLDB 5.5407909e-05
8,645 Finding Pareto Optimal Groups: Group-based Skyline 2015 VLDB 5.3933023e-05
8,825 Creating Top Ranking Options in the Continuous Option and Preference Space 2019 VLDB 5.3616725e-05
9,010 Determining the Impact Regions of Competing Options in Preference Space 2017 SIGMOD 5.3333957e-05
9,900 On m-Impact Regions and Standing Top-k Influence Problems 2021 SIGMOD 5.1997534e-05
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