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ACORN: Performant and Predicate-Agnostic Search Over Vector Embeddings and Structured Data

Summary: ACORN: hybrid ANN + structured search over embeddings/attributes with predicate-agnostic support. Key idea: predicate subgraph traversal on HNSW, implemented as a drop-in extension, yielding state-of-the-art throughput/recall across simple and complex mixed-modality queries. (summarized by gpt-5.4-mini on May 24 2026)

Paper ID
6887
Venue
SIGMOD
Year
2024
Pagerank
8.5991468e-05
Overall Rank
2,525 | 82.46%
DOI
10.1145/3654923

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 29 of 29 citing papers.

Rank Citing Paper Year Venue Pagerank
4,551 iRangeGraph: Improvising Range-dedicated Graphs for Range-filtering Nearest Neighbor Search 2024 SIGMOD 6.0864316e-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
7,542 A Topology-Aware Localized Update Strategy for Graph-Based ANN Index 2026 VLDB 4.7103816e-05
8,239 MIRAGE-ANNS: Mixed Approach Graph-based Indexing for Approximate Nearest Neighbor Search 2025 SIGMOD 4.5471319e-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
8,464 Semantic Operators and Their Optimization: Enabling LLM-Based Data Processing with Accuracy Guarantees in LOTUS 2025 VLDB 4.5003888e-05
8,654 Dynamic Range-Filtering Approximate Nearest Neighbor Search 2025 VLDB 4.4694763e-05
9,102 AlayaDB: The Data Foundation for Efficient and Effective Long-context LLM Inference 2025 SIGMOD 4.3916067e-05
9,913 RWalks: Random Walks as Attribute Diffusers for Filtered Vector Search 2025 SIGMOD 4.2520778e-05
10,039 VecFlow: A High-Performance Vector Data Management System for Filtered-Search on GPUs 2026 SIGMOD 4.1905499e-05
10,052 Attribute Filtering in Approximate Nearest Neighbor Search: An In-depth Experimental Study 2026 SIGMOD 4.1905499e-05
10,054 Beyond Vector Search: Querying With and Without Predicates 2026 SIGMOD 4.1905499e-05
10,129 WoW: A Window-to-Window Incremental Index for Range-Filtering Approximate Nearest Neighbor Search 2026 SIGMOD 4.1905499e-05
10,141 Honeybee: Efficient Role-based Access Control for Vector Databases via Dynamic Partitioning 2026 SIGMOD 4.1905499e-05
10,150 Curator: Efficient Vector Search with Low-Selectivity Filters 2026 SIGMOD 4.1905499e-05
10,165 Fast-Convergent Proximity Graphs for Approximate Nearest Neighbor Search 2026 SIGMOD 4.1905499e-05
10,222 RetroInfer: A Vector Storage Engine for Scalable Long-Context LLM Inference 2026 VLDB 4.1905499e-05
10,237 Quantization Meets Projection: A Happy Marriage for Approximate k-Nearest Neighbor Search 2026 VLDB 4.1905499e-05
10,284 An Experimental Evaluation of Hybrid Querying on Vectors 2026 VLDB 4.1905499e-05
10,315 Elastic Index Selection for Label-Hybrid AKNN Search 2026 VLDB 4.1905499e-05
10,420 MicroNN: An On-device Disk-resident Updatable Vector Database 2025 SIGMOD 4.1905499e-05
10,750 NaviX: A Native Vector Index Design for Graph DBMSs With Robust Predicate-Agnostic Search Performance 2025 VLDB 4.1905499e-05
10,767 SIEVE: Effective Filtered Vector Search with Collection of Indexes 2025 VLDB 4.1905499e-05
10,837 Cardinality Estimation for Similarity Search on High-Dimensional Data Objects: The Impact of Reference Objects 2025 VLDB 4.1905499e-05
10,845 Filtered Vector Search: State-of-the-art and Research Opportunities 2025 VLDB 4.1905499e-05
10,846 ML-Asset Management: Curation, Discovery, and Utilization 2025 VLDB 4.1905499e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 11 of 11 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
494 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.00021769407
730 AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data 2020 VLDB 0.00017443615
1,934 VHP: Approximate Nearest Neighbor Search via Virtual Hypersphere Partitioning 2020 VLDB 0.00010047294
2,160 PM-LSH: A Fast and Accurate LSH Framework for High-Dimensional Approximate NN Search 2020 VLDB 9.4037759e-05
2,321 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 9.0359336e-05
2,434 iDEC: Indexable Distance Estimating Codes for Approximate Nearest Neighbor Search 2020 VLDB 8.8225986e-05
2,872 Streaming Similarity Search over one Billion Tweets using Parallel Locality-Sensitive Hashing 2013 VLDB 7.9797548e-05
3,933 Intelligent Probing for Locality Sensitive Hashing: Multi-Probe LSH and Beyond 2017 VLDB 6.6164676e-05
5,218 Neighbor-Sensitive Hashing 2016 VLDB 5.6204105e-05
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Overall Rank Paper Year Venue Pagerank
8,208 VSAG: An Optimized Search Framework for Graph-based Approximate Nearest Neighbor Search 2025 VLDB 4.5537353e-05
4,622 Graph-Based Vector Search: An Experimental Evaluation of the State-of-the-Art 2025 SIGMOD 6.0356382e-05
10,073 Efficient Approximate Nearest Neighbor Search via Hemi-Sphere Centroids Graph 2026 SIGMOD 4.1905499e-05
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10,750 NaviX: A Native Vector Index Design for Graph DBMSs With Robust Predicate-Agnostic Search Performance 2025 VLDB 4.1905499e-05
10,154 Distribution-Aware Exploration for Adaptive HNSW Search 2026 SIGMOD 4.1905499e-05
2,321 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 9.0359336e-05
10,054 Beyond Vector Search: Querying With and Without Predicates 2026 SIGMOD 4.1905499e-05
10,691 Accelerating Approximate Nearest Neighbor Search in Hierarchical Graphs: Efficient Level Navigation with Shortcuts 2025 VLDB 4.1905499e-05
10,315 Elastic Index Selection for Label-Hybrid AKNN Search 2026 VLDB 4.1905499e-05