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SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search

Summary: SymphonyQG tightly couples quantization and graph indices for ANN, avoids re-ranking, and aligns the graph with FastScan’s batch distances. It achieves time-accuracy at 95% recall, with 1.5-4.5x QPS gains over baselines and ≥8x faster indexing than NGT-QG. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
h577874dc896663da
Venue
SIGMOD
Year
2025
Pagerank
7.3548612e-05
Overall Rank
3,385 | 77.25%
DOI
10.1145/3709730

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{gou_sigmod25,
        title = {{SymphonyQG: Towards Symphonious Integration of Quantization and Graph for Approximate Nearest Neighbor Search}},
        author = {Gou, Yutong and Gao, Jianyang and Xu, Yuexuan and Long, Cheng},
        series = {{SIGMOD} '25},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/3709730},
        url = {https://dl.acm.org/doi/10.1145/3709730},
        year = {2025}
}

Incoming Citations (Sorted by Pagerank)

Showing 21 of 21 citing papers.

Rank Citing Paper Year Venue Pagerank
5,619 A Topology-Aware Localized Update Strategy for Graph-Based ANN Index 2026 VLDB 6.062554e-05
7,587 Scalable Graph Indexing using GPUs for Approximate Nearest Neighbor Search 2026 SIGMOD 5.4891389e-05
9,136 DARTH: Declarative Recall Through Early Termination for Approximate Nearest Neighbor Search 2026 SIGMOD 5.2224279e-05
9,551 Fast Graph Vector Search via Hardware Acceleration and Delayed-Synchronization Traversal 2025 VLDB 5.1591583e-05
10,323 Dynamically Detect and Fix Hardness for Efficient Approximate Nearest Neighbor Search 2026 SIGMOD 5.0346745e-05
10,325 WoW: A Window-to-Window Incremental Index for Range-Filtering Approximate Nearest Neighbor Search 2026 SIGMOD 5.0346745e-05
10,326 Fast-Convergent Proximity Graphs for Approximate Nearest Neighbor Search 2026 SIGMOD 5.0346745e-05
10,395 Proximity Graphs for Similarity Search: Fast Construction, Lower Bounds, and Euclidean Separation 2026 PODS 4.9793485e-05
10,425 CMANNS: GPU-Accelerated Graph Index Construction for ANNS via Compute-Memory Disaggregation 2026 SIGMOD 4.9793485e-05
10,443 Efficient Index Layout and Search Strategy for Large-scale High-dimensional Vector Similarity Search 2026 SIGMOD 4.9793485e-05
10,457 FAVOR: Efficient Filter-Agnostic Vector ANNS Based on Selectivity-Aware Exclusion Distances 2026 SIGMOD 4.9793485e-05
10,509 TaCo: Data-adaptive and Query-aware Subspace Collision for High-dimensional Approximate Nearest Neighbor Search 2026 SIGMOD 4.9793485e-05
10,540 Accelerating High-Dimensional ANN Search via Skipping Redundant Distance Computations 2026 SIGMOD 4.9793485e-05
10,574 High-Throughput, Cost-Effective Billion-Scale Vector Search with a Single GPU 2026 SIGMOD 4.9793485e-05
10,709 Quantization Meets Projection: A Happy Marriage for Approximate k-Nearest Neighbor Search 2026 VLDB 4.9793485e-05
10,769 Harmonizing Efficiency and Accuracy in Filtered Vector Search 2026 VLDB 4.9793485e-05
10,827 Sparse Neighborhood Graph-Based Approximate Nearest Neighbor Search Revisited: Theoretical Analysis and Optimization 2026 VLDB 4.9793485e-05
10,873 GPU-Native Approximate Nearest Neighbor Search with IVF-RaBitQ: Fast Index Build and Search 2026 VLDB 4.9793485e-05
10,874 BBC: Improving Large-k Approximate Nearest Neighbor Search with a Bucket-based Result Collector 2026 VLDB 4.9793485e-05
11,028 Advances of Query Processing in Vector Databases 2026 VLDB 4.9793485e-05
11,048 Elastic Index Selection for Label-Hybrid AKNN Search 2026 VLDB 4.9793485e-05
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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
56 M-tree: An Efficient Access Method for Similarity Search in Metric Spaces 1997 VLDB 0.00040370171
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
298 Query-Aware Locality-Sensitive Hashing for Approximate Nearest Neighbor Search 2016 VLDB 0.00021833987
338 Locality-Sensitive Hashing Scheme Based on Dynamic Collision Counting 2012 SIGMOD 0.00020585187
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
562 SRS: Solving c-Approximate Nearest Neighbor Queries in High Dimensional Euclidean Space with a Tiny Index 2015 VLDB 0.00016335405
713 Cache locality is not enough: High-Performance Nearest Neighbor Search with Product Quantization Fast Scan 2016 VLDB 0.00014571977
804 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 0.00013832333
1,170 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 0.0001171991
1,373 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 0.0001088854
1,601 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 0.00010103316
1,625 Towards Efficient Index Construction and Approximate Nearest Neighbor Search in High-Dimensional Spaces 2023 VLDB 0.0001004502
2,060 Similarity search in the blink of an eye with compressed indices 2023 VLDB 9.0983169e-05
2,085 SingleStore-V: An Integrated Vector Database System in SingleStore 2024 VLDB 9.0709364e-05
2,265 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 8.7238222e-05
3,086 New Trends in High-D Vector Similarity Search: AI-driven, Progressive, and Distributed 2021 VLDB 7.6629311e-05
3,230 Similarity Query Processing for High-Dimensional Data 2020 VLDB 7.5056037e-05
3,290 Vexless: A Serverless Vector Data Management System Using Cloud Functions 2024 SIGMOD 7.4528093e-05
3,881 RoarGraph: A Projected Bipartite Graph for Efficient Cross-Modal Approximate Nearest Neighbor Search 2024 VLDB 6.9509289e-05
5,313 Hercules Against Data Series Similarity Search 2022 VLDB 6.1846986e-05
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