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Quantization Meets Projection: A Happy Marriage for Approximate k-Nearest Neighbor Search

Summary: MRQ combines projection with quantization for AKNN: compress only the information-dense leading subspace, decoupling code length from original dimensionality. Tail dims stored via lightweight summaries, yielding arbitrary compression ratios and up to 3x faster search than prior quantization methods. (summarized by gpt-5.4-mini on Apr 12 2026)

Paper ID
14274
Venue
VLDB
Year
2026
Pagerank
4.1905499e-05
Overall Rank
10,237 | 28.86%
DOI
10.14778/3797919.3797931

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Showing 32 of 32 cited papers.

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

Rank Cited Paper Year Venue Pagerank
34 Similarity Search in High Dimensions via Hashing 1999 VLDB 0.00076824554
210 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00034086264
579 Locality-Sensitive Hashing Scheme Based on Dynamic Collision Counting 2012 SIGMOD 0.0001982328
596 Query-Aware Locality-Sensitive Hashing for Approximate Nearest Neighbor Search 2016 VLDB 0.00019455943
763 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00016963981
858 SRS: Solving c-Approximate Nearest Neighbor Queries in High Dimensional Euclidean Space with a Tiny Index 2015 VLDB 0.00015833075
1,252 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00013023834
2,002 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 9.8258191e-05
2,160 PM-LSH: A Fast and Accurate LSH Framework for High-Dimensional Approximate NN Search 2020 VLDB 9.4037759e-05
2,287 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 9.1004806e-05
2,525 ACORN: Performant and Predicate-Agnostic Search Over Vector Embeddings and Structured Data 2024 SIGMOD 8.5991468e-05
2,687 HVS: Hierarchical Graph Structure Based on Voronoi Diagrams for Solving Approximate Nearest Neighbor Search 2022 VLDB 8.3079951e-05
2,772 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 8.1491893e-05
3,182 DeltaPQ: Lossless Product Quantization Code Compression for High Dimensional Similarity Search 2020 VLDB 7.4280768e-05
3,403 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 7.1338786e-05
3,541 Similarity search in the blink of an eye with compressed indices 2023 VLDB 6.9910982e-05
3,552 SeRF: Segment Graph for Range-Filtering Approximate Nearest Neighbor Search 2024 SIGMOD 6.9765275e-05
4,598 A General and Efficient Querying Method for Learning to Hash 2018 SIGMOD 6.053944e-05
4,600 Practical and Asymptotically Optimal Quantization of High-Dimensional Vectors in Euclidean Space for Approximate Nearest Neighbor Search 2025 SIGMOD 6.0528015e-05
5,028 Navigating Labels and Vectors: A Unified Approach to Filtered Approximate Nearest Neighbor Search 2024 SIGMOD 5.7447815e-05
5,186 SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search 2025 SIGMOD 5.6352814e-05
5,747 Hercules Against Data Series Similarity Search 2022 VLDB 5.3427166e-05
7,235 Efficient Data-aware Distance Comparison Operations for High-Dimensional Approximate Nearest Neighbor Search 2025 VLDB 4.7882389e-05
7,827 Chameleon: a Heterogeneous and Disaggregated Accelerator System for Retrieval-Augmented Language Models 2025 VLDB 4.6379617e-05
8,208 VSAG: An Optimized Search Framework for Graph-based Approximate Nearest Neighbor Search 2025 VLDB 4.5537353e-05
8,418 DIGRA: A Dynamic Graph Indexing for Approximate Nearest Neighbor Search with Range Filter 2025 SIGMOD 4.5119865e-05
8,419 Efficient Dynamic Indexing for Range Filtered Approximate Nearest Neighbor Search 2025 SIGMOD 4.5119865e-05
8,430 Accelerating Graph Indexing for ANNS on Modern CPUs 2025 SIGMOD 4.508568e-05
8,495 DEG: Efficient Hybrid Vector Search Using the Dynamic Edge Navigation Graph 2025 SIGMOD 4.4938255e-05
9,878 HARMONY: A Scalable Distributed Vector Database for High-Throughput Approximate Nearest Neighbor Search 2026 SIGMOD 4.2602815e-05
9,879 CoTra: Towards Efficient and Scalable Distributed Vector Search with RDMA 2026 SIGMOD 4.2602815e-05
9,880 VStream: A Distributed Streaming Vector Search System 2025 VLDB 4.2602815e-05
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