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TaCo: Data-adaptive and Query-aware Subspace Collision for High-dimensional Approximate Nearest Neighbor Search

Summary: TaCo makes subspace collision data-adaptive via entropy-balanced transformations and query-aware through dynamically allocated probing. It delivers up to 8× faster indexing, 0.6× memory use, and 1.5× higher query throughput. (summarized by gpt-5.6-luna on Jul 26 2026)

Paper ID
h170314f1d20b9c63
Venue
SIGMOD
Year
2026
Pagerank
4.9793485e-05
Overall Rank
10,509 | 29.35%
DOI
10.1145/3802118

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Authors

BibTeX Citation

@inproceedings{wei_sigmod26,
        title = {{TaCo: Data-adaptive and Query-aware Subspace Collision for High-dimensional Approximate Nearest Neighbor Search}},
        author = {Wei, Jiuqi and Liao, Zhenyu and Han, Ruoyu and Xu, Quanqing and Yang, Chuanhui and Palpanas, Themis},
        series = {{SIGMOD} '26},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3802118},
        url = {https://dl.acm.org/doi/10.1145/3802118},
        year = {2026}
}

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Outgoing Citations (Sorted by Pagerank)

Showing 33 of 33 cited papers.

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

Rank Cited Paper Year Venue Pagerank
74 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00037091678
194 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.00025636725
341 AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data 2020 VLDB 0.00020539791
345 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00020445545
804 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 0.00013832333
1,225 ACORN: Performant and Predicate-Agnostic Search Over Vector Embeddings and Structured Data 2024 SIGMOD 0.00011444398
1,373 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 0.0001088854
1,485 PM-LSH: A Fast and Accurate LSH Framework for High-Dimensional Approximate NN Search 2020 VLDB 0.00010523759
1,613 Starling: An I/O-Efficient Disk-Resident Graph Index Framework for High-Dimensional Vector Similarity Search on Data Segment 2024 SIGMOD 0.00010072237
1,625 Towards Efficient Index Construction and Approximate Nearest Neighbor Search in High-Dimensional Spaces 2023 VLDB 0.0001004502
1,957 SeRF: Segment Graph for Range-Filtering Approximate Nearest Neighbor Search 2024 SIGMOD 9.3159589e-05
2,113 What is the nearest neighbor in high dimensional spaces? 2000 VLDB 9.0196806e-05
2,265 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 8.7238222e-05
2,726 iRangeGraph: Improvising Range-dedicated Graphs for Range-filtering Nearest Neighbor Search 2024 SIGMOD 8.0904995e-05
2,730 Return of the Lernaean Hydra: Experimental Evaluation of Data Series Approximate Similarity Search 2020 VLDB 8.0861221e-05
2,783 Navigating Labels and Vectors: A Unified Approach to Filtered Approximate Nearest Neighbor Search 2024 SIGMOD 8.0242863e-05
2,812 OceanBase: A 707 Million tpmC Distributed Relational Database System 2022 VLDB 7.9811649e-05
2,821 Practical and Asymptotically Optimal Quantization of High-Dimensional Vectors in Euclidean Space for Approximate Nearest Neighbor Search 2025 SIGMOD 7.9711961e-05
2,871 Graph-Based Vector Search: An Experimental Evaluation of the State-of-the-Art 2025 SIGMOD 7.9229231e-05
2,872 The Lernaean Hydra of Data Series Similarity Search: An Experimental Evaluation of the State of the Art 2019 VLDB 7.9228762e-05
2,969 Locality-Sensitive Hashing Scheme based on Longest Circular Co-Substring 2020 SIGMOD 7.8000797e-05
3,385 SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search 2025 SIGMOD 7.3548612e-05
4,498 PQCache: Product Quantization-based KVCache for Long Context LLM Inference 2025 SIGMOD 6.5762771e-05
4,598 Steiner-Hardness: A Query Hardness Measure for Graph-Based ANN Indexes 2024 VLDB 6.5086378e-05
4,680 Coconut: A Scalable Bottom-Up Approach for Building Data Series Indexes 2018 VLDB 6.4722037e-05
4,688 Learned Cardinality Estimation for Similarity Queries 2021 SIGMOD 6.4697463e-05
5,886 MIRAGE-ANNS: Mixed Approach Graph-based Indexing for Approximate Nearest Neighbor Search 2025 SIGMOD 5.9583046e-05
6,609 Dumpy: A Compact and Adaptive Index for Large Data Series Collections 2023 SIGMOD 5.7354155e-05
7,264 Subspace Collision: An Efficient and Accurate Framework for High-dimensional Approximate Nearest Neighbor Search 2025 SIGMOD 5.5703557e-05
9,136 DARTH: Declarative Recall Through Early Termination for Approximate Nearest Neighbor Search 2026 SIGMOD 5.2224279e-05
9,526 SAQ: Pushing the Limits of Vector Quantization through Code Adjustment and Dimension Segmentation 2026 SIGMOD 5.166074e-05
9,563 LeaFi: Data Series Indexes on Steroids with Learned Filters 2025 SIGMOD 5.1571823e-05
10,078 Accelerating Approximate Nearest Neighbor Search in Hierarchical Graphs: Efficient Level Navigation with Shortcuts 2025 VLDB 5.0830849e-05
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