mlsanityData to 7 Oct 2026

Vector search and ANN indexes

32 papers0 this weekHigh confidence in this grouping: the papers form one clear topicHigh confidence in this grouping: the papers form one clear topic · About

Keywords: search, vector, nearest, anns, approximate

Key facts. Vector search and ANN indexes: 32 papers on arXiv since 2024 (data through 7 Oct 2026). 2 of its 32 mapped papers (6%) cite “In-Place Updates of a Graph Index for Streaming Approximate Nearest Neighbor Search” (2025, arXiv 2502.13826). 2 of its 32 mapped papers (6%) cite “SINDI: An Efficient Index for Sparse Vector Approximate Maximum Inner Product Search” (2025, arXiv 2509.08395). 1 new paper 17 Sep–7 Oct.

What’s new

17 Sep – 7 Oct 2026

1 new since 17 Sep

  1. Exploiting Residual Reachability for Cross-Model Migration of Graph-Based Indexes in Approximate Nearest Neighbor Search

Foundations

Most cited by papers here

  1. In-Place Updates of a Graph Index for Streaming Approximate Nearest Neighbor Search2025cited by 2 here
  2. SINDI: An Efficient Index for Sparse Vector Approximate Maximum Inner Product Search2025cited by 2 here
  3. MicroNN: An On-device Disk-resident Updatable Vector Database2025cited by 1 here
  4. LSM-VEC: A Large-Scale Disk-Based System for Dynamic Vector Search2025cited by 1 here
  5. Benchmarking Filtered Approximate Nearest Neighbor Search Algorithms on Transformer-based Embedding Vectors2025cited by 1 here

Lineage

The papers this direction builds on, oldest first.

Each paper on the line cites the one before.

  1. 2020REALM: Retrieval-Augmented Language Model Pre-Trainingcited by 2 here
  2. 2020Retrieval-Augmented Generation for Knowledge-Intensive NLP Taskscited by 14 here
  3. 2022Atlas: Few-shot Learning with Retrieval Augmented Language Modelscited by 1 here
  4. 2023REPLUG: Retrieval-Augmented Black-Box Language Modelscited by 1 here
  5. 2023Active Retrieval Augmented Generationcited by 1 here
  6. 2023Self-RAG: Learning to Retrieve, Generate, and Critique through Self-Reflectioncited by 1 here
  7. 2023Retrieval-Augmented Generation for Large Language Models: A Surveycited by 2 here
  8. 2024Retrieval-Augmented Generation for AI-Generated Content: A Surveycited by 1 here
  9. 2024A Survey on RAG Meeting LLMs: Towards Retrieval-Augmented Large Language Modelscited by 1 here
15 more it builds on, not in this chain
  1. 2022Cross-Lingual Retrieval Augmented Prompt for Low-Resource Languagescited by 1 here
  2. 2023Query Rewriting for Retrieval-Augmented Large Language Modelscited by 1 here
  3. 2023Chameleon: a Heterogeneous and Disaggregated Accelerator System for Retrieval-Augmented Language Modelscited by 2 here
  4. 2024RAPTOR: Recursive Abstractive Processing for Tree-Organized Retrievalcited by 1 here
  5. 2024Blended RAG: Improving RAG (Retriever-Augmented Generation) Accuracy with Semantic Search and Hybrid Query-Based Retrieverscited by 1 here
  6. 2024From Local to Global: A Graph RAG Approach to Query-Focused Summarizationcited by 1 here
  7. 2024MeMemo: On-device Retrieval Augmentation for Private and Personalized Text Generationcited by 2 here
  8. 2024PersonaRAG: Enhancing Retrieval-Augmented Generation Systems with User-Centric Agentscited by 1 here
  9. 2024Retrieval-Augmented Generation for Natural Language Processing: A Surveycited by 1 here
  10. 2024Accelerating Retrieval-Augmented Generationcited by 2 here
  11. 2024Towards Understanding Systems Trade-offs in Retrieval-Augmented Generation Model Inferencecited by 2 here
  12. 2024EdgeRAG: Online-Indexed RAG for Edge Devicescited by 2 here
  13. 2025In-Place Updates of a Graph Index for Streaming Approximate Nearest Neighbor Searchcited by 2 here
  14. 2025Cracking Vector Search Indexescited by 2 here
  15. 2025SINDI: An Efficient Index for Sparse Vector Approximate Maximum Inner Product Searchcited by 2 here

The 24 most cited of 37.

Browse

27 of 32, ranked 6–32

  1. 6FaTRQ: Tiered Residual Quantization for LLM Vector Search in Far-Memory-Aware ANNS Systems20260
  2. 7QVCache: A Query-Aware Vector Cache20260
  3. 8Welfarist Formulations for Diverse Similarity Search20260
  4. 9Filtered Approximate Nearest Neighbor Search in Vector Databases: System Design and Performance Analysis20260
  5. 10FGIM: a Fast Graph-based Indexes Merging Framework for Approximate Nearest Neighbor Search20260
  6. 11FAVOR: Efficient Filter-Agnostic Vector ANNS Based on Selectivity-Aware Exclusion Distances20260
  7. 12NasZip: Software and Hardware Co-Design to Accelerate Approximate Nearest Neighbor Search with DIMM-Based Near-Data Processing20260
  8. 13EMA: Approximate Nearest Neighbor Search with General Attribute Filtering and Dynamic Updates20260
  9. 14ANN Search: Recall What Matters20260
  10. 15Query-aware Routing for Filtered Approximate Nearest Neighbors Search20260
All 27
  1. 16Exploiting Structural Properties for Efficient Constraint-Aware HNSW Hyperparameter Tuning20260
  2. 17MERIT: Efficient In-Place Deletion for Dynamic Graph-Based Approximate Nearest Neighbor Indexes20260
  3. 18A Comprehensive Empirical Evaluation of Vector Database Systems for Approximate Nearest Neighbor Search: Performance, Quality, and Resource Trade-offs20260
  4. 19Cosmos: A CXL-Based Full In-Memory System for Approximate Nearest Neighbor Search20250
  5. 20Quake: Adaptive Indexing for Vector Search20250
  6. 21LEANN: A Low-Storage Vector Index20250
  7. 22WebANNS: Fast and Efficient Approximate Nearest Neighbor Search in Web Browsers20250
  8. 23RAE: A Neural Network Dimensionality Reduction Method for Nearest Neighbors Preservation in Vector Search20250
  9. 24Approximate Diverse k-nearest Neighbor Search in Vector Database20250
  10. 25Cloud-Native Vector Search: A Comprehensive Performance Analysis20250
  11. 26How Should We Evaluate Data Deletion in Graph-Based ANN Indexes?20250
  12. 27Passing the Baton: High Throughput Distributed Disk-Based Vector Search with BatANN20250
  13. 28Breaking the Curse of Dimensionality: On the Stability of Modern Vector Retrieval20250
  14. 29From HNSW to Information-Theoretic Binarization: Rethinking the Architecture of Scalable Vector Search20250
  15. 30Graph-based Nearest Neighbors with Dynamic Updates via Random Walks20250
  16. 31Vector Retrieval with Similarity and Diversity: How Hard Is It?20240
  17. 32UpANNS: Enhancing Billion-Scale ANNS Efficiency with Real-World PIM Architecture20240