FB*: A Compact Index for Efficient and Exact Density-based Clustering
Summary: Introduces FB, a linear-size index for exact density-based cluster extraction in output-linear time for any ε at fixed μ. Compact FB* is disk-friendly and supports arbitrary (ε, μ) queries via per-μ indexes, outperforming prior methods while preserving exactness. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Bide Zhao (University of Sydney)
- 2. Zhiyi Wang (University of Sydney)
- 3. Lijun Chang (University of Sydney)
- 4. Xin Huang (Hong Kong Baptist University)
BibTeX Citation
@article{zhao_vldb26,
title = {{FB*: A Compact Index for Efficient and Exact Density-based Clustering}},
author = {Zhao, Bide and Wang, Zhiyi and Chang, Lijun and Huang, Xin},
journal = {PVLDB},
series = {{VLDB} '26},
volume = {19},
number = {8},
pages = {1791--1803},
doi = {10.14778/3811243.3811252},
url = {https://doi.org/10.14778/3811243.3811252},
year = {2026}
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Outgoing Citations (Sorted by Pagerank)
Showing 10 of 10 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 142 | LOF: Identifying Density-Based Local Outliers | 2000 | SIGMOD | 0.0002962566 |
| 291 | OPTICS: Ordering Points To Identify the Clustering Structure | 1999 | SIGMOD | 0.00022264197 |
| 962 | DBSCAN Revisited: Mis-Claim, Un-Fixability, and Approximation | 2015 | SIGMOD | 0.00012936472 |
| 2,482 | Efficient Structural Graph Clustering: An Index-Based Approach | 2018 | VLDB | 8.5183361e-05 |
| 2,501 | An Empirical Evaluation of Set Similarity Join Techniques | 2016 | VLDB | 8.4975661e-05 |
| 2,839 | SCAN++: Efficient Algorithm for Finding Clusters, Hubs and Outliers on Large-scale Graphs | 2015 | VLDB | 8.066541e-05 |
| 3,020 | Dynamic Density Based Clustering | 2017 | SIGMOD | 7.8445412e-05 |
| 3,040 | Leveraging Set Relations in Exact Set Similarity Join | 2017 | VLDB | 7.8262287e-05 |
| 3,261 | Index-based Optimal Algorithms for Computing Steiner Components with Maximum Connectivity | 2015 | SIGMOD | 7.5853837e-05 |
| 8,733 | FINEX: A Fast Index for Exact & Flexible Density-Based Clustering | 2023 | SIGMOD | 5.3766157e-05 |
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