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FAVOR: Efficient Filter-Agnostic Vector ANNS Based on Selectivity-Aware Exclusion Distances

Summary: FAVOR unifies selectivity estimation with filter-agnostic HNSW ANNS for arbitrary hybrid predicates. Its exclusion distances reshape search geometry, while selectivity-driven routing chooses pre-filtered brute force or HNSW, yielding 1.3–5× higher QPS at 95% recall. (summarized by gpt-5.6-luna on Jul 26 2026)

Paper ID
ha2d72787d98c7996
Venue
SIGMOD
Year
2026
Pagerank
4.9769913e-05
Overall Rank
10,468 | 29.65%
DOI
10.1145/3802060
PDF
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Authors

BibTeX Citation

@inproceedings{song_sigmod26,
        title = {{FAVOR: Efficient Filter-Agnostic Vector ANNS Based on Selectivity-Aware Exclusion Distances}},
        author = {Song, Junjie and Liu, Yu and Hu, Guoyu and Xie, Zhongle and Yang, Ming and Ooi, Beng Chin and Zhou, Ke},
        series = {{SIGMOD} '26},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3802060},
        url = {https://dl.acm.org/doi/10.1145/3802060},
        year = {2026}
}

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Outgoing Citations (Sorted by Pagerank)

Showing 22 of 22 cited papers.

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

Rank Cited Paper Year Venue Pagerank
189 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.0002585319
339 AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data 2020 VLDB 0.00020561716
344 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00020455839
1,166 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 0.0001172922
1,225 ACORN: Performant and Predicate-Agnostic Search Over Vector Embeddings and Structured Data 2024 SIGMOD 0.00011447937
1,325 VHP: Approximate Nearest Neighbor Search via Virtual Hypersphere Partitioning 2020 VLDB 0.00011016872
1,369 word2vec, node2vec, graph2vec, X2vec: Towards a Theory of Vector Embeddings of Structured Data 2020 PODS 0.00010899682
1,958 SeRF: Segment Graph for Range-Filtering Approximate Nearest Neighbor Search 2024 SIGMOD 9.3118048e-05
2,717 iRangeGraph: Improvising Range-dedicated Graphs for Range-filtering Nearest Neighbor Search 2024 SIGMOD 8.0953706e-05
2,783 Navigating Labels and Vectors: A Unified Approach to Filtered Approximate Nearest Neighbor Search 2024 SIGMOD 8.0204877e-05
2,821 Practical and Asymptotically Optimal Quantization of High-Dimensional Vectors in Euclidean Space for Approximate Nearest Neighbor Search 2025 SIGMOD 7.9674226e-05
3,378 SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search 2025 SIGMOD 7.3542798e-05
4,347 UNIFY: Unified Index for Range Filtered Approximate Nearest Neighbors Search 2025 VLDB 6.6457039e-05
5,886 MIRAGE-ANNS: Mixed Approach Graph-based Indexing for Approximate Nearest Neighbor Search 2025 SIGMOD 5.955484e-05
5,903 ARKGraph: All-Range Approximate K-Nearest-Neighbor Graph 2023 VLDB 5.9512758e-05
6,127 DIGRA: A Dynamic Graph Indexing for Approximate Nearest Neighbor Search with Range Filter 2025 SIGMOD 5.8757178e-05
6,132 Dynamic Range-Filtering Approximate Nearest Neighbor Search 2025 VLDB 5.8755887e-05
6,187 NaviX: A Native Vector Index Design for Graph DBMSs With Robust Predicate-Agnostic Search Performance 2025 VLDB 5.855829e-05
6,461 Efficient Dynamic Indexing for Range Filtered Approximate Nearest Neighbor Search 2025 SIGMOD 5.7744005e-05
6,836 Filtered Vector Search: State-of-the-art and Research Opportunities 2025 VLDB 5.6658357e-05
7,570 SIEVE: Effective Filtered Vector Search with Collection of Indexes 2025 VLDB 5.4929234e-05
8,821 HAKES: Scalable Vector Database for Embedding Search Service 2025 VLDB 5.2697314e-05
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