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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
14273
Venue
VLDB
Year
2026
Pagerank
4.1945683e-05
Overall Rank
10,237 | 28.79%
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 0.00076637636
212 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00033913475
562 Query-Aware Locality-Sensitive Hashing for Approximate Nearest Neighbor Search 2016 VLDB 0.00020091752
605 Locality-Sensitive Hashing Scheme Based on Dynamic Collision Counting 2012 SIGMOD 0.000193396
770 A Comprehensive Survey and Experimental Comparison of Graph-Based Approximate Nearest Neighbor Search 2021 VLDB 0.00016917602
867 SRS: Solving c-Approximate Nearest Neighbor Queries in High Dimensional Euclidean Space with a Tiny Index 2015 VLDB 0.00015792021
1,269 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00012930432
2,023 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 9.7544991e-05
2,181 PM-LSH: A Fast and Accurate LSH Framework for High-Dimensional Approximate NN Search 2020 VLDB 9.3451821e-05
2,324 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 9.0326444e-05
2,523 ACORN: Performant and Predicate-Agnostic Search Over Vector Embeddings and Structured Data 2024 SIGMOD 8.604576e-05
2,725 HVS: Hierarchical Graph Structure Based on Voronoi Diagrams for Solving Approximate Nearest Neighbor Search 2022 VLDB 8.2294908e-05
2,811 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 8.0806307e-05
3,225 DeltaPQ: Lossless Product Quantization Code Compression for High Dimensional Similarity Search 2020 VLDB 7.3463484e-05
3,400 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 7.1405533e-05
3,609 Similarity search in the blink of an eye with compressed indices 2023 VLDB 6.9215236e-05
3,624 SeRF: Segment Graph for Range-Filtering Approximate Nearest Neighbor Search 2024 SIGMOD 6.9056e-05
4,598 Practical and Asymptotically Optimal Quantization of High-Dimensional Vectors in Euclidean Space for Approximate Nearest Neighbor Search 2025 SIGMOD 6.0586236e-05
4,609 A General and Efficient Querying Method for Learning to Hash 2018 SIGMOD 6.0528541e-05
5,129 Navigating Labels and Vectors: A Unified Approach to Filtered Approximate Nearest Neighbor Search 2024 SIGMOD 5.6755204e-05
5,184 SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search 2025 SIGMOD 5.6406991e-05
5,738 Hercules Against Data Series Similarity Search 2022 VLDB 5.3478528e-05
7,239 Efficient Data-aware Distance Comparison Operations for High-Dimensional Approximate Nearest Neighbor Search 2025 VLDB 4.792836e-05
8,175 Chameleon: a Heterogeneous and Disaggregated Accelerator System for Retrieval-Augmented Language Models 2025 VLDB 4.5676289e-05
8,209 VSAG: An Optimized Search Framework for Graph-based Approximate Nearest Neighbor Search 2025 VLDB 4.5581054e-05
8,424 DIGRA: A Dynamic Graph Indexing for Approximate Nearest Neighbor Search with Range Filter 2025 SIGMOD 4.5163161e-05
8,425 Efficient Dynamic Indexing for Range Filtered Approximate Nearest Neighbor Search 2025 SIGMOD 4.5163161e-05
8,439 Accelerating Graph Indexing for ANNS on Modern CPUs 2025 SIGMOD 4.5128946e-05
8,497 DEG: Efficient Hybrid Vector Search Using the Dynamic Edge Navigation Graph 2025 SIGMOD 4.4981377e-05
9,879 HARMONY: A Scalable Distributed Vector Database for High-Throughput Approximate Nearest Neighbor Search 2026 SIGMOD 4.2643674e-05
9,880 CoTra: Towards Efficient and Scalable Distributed Vector Search with RDMA 2026 SIGMOD 4.2643674e-05
9,881 VStream: A Distributed Streaming Vector Search System 2025 VLDB 4.2643674e-05
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