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Dumpy: A Compact and Adaptive Index for Large Data Series Collections

Summary: Dumpy is a compact, adaptive multi-ary index for large data-series collections, enabling fast index building and high-accuracy search. By addressing iSAX limitations—proximity-compactness trade-offs and skew—via adaptive node splitting and Dumpy-Fuzzy duplication, it achieves better efficiency, scalability, and accuracy. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
6614
Venue
SIGMOD
Year
2023
Pagerank
4.8350023e-05
Overall Rank
7,095 | 50.65%
DOI
10.1145/3588965

Incoming Non-self Citations Over Time

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Incoming Citations (Sorted by Pagerank)

Showing 14 of 14 citing papers.

Rank Citing Paper Year Venue Pagerank
2,324 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 9.0326444e-05
3,400 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 7.1405533e-05
6,376 DET-LSH: A Locality-Sensitive Hashing Scheme with Dynamic Encoding Tree for Approximate Nearest Neighbor Search 2024 VLDB 5.0916875e-05
7,316 Steiner-Hardness: A Query Hardness Measure for Graph-Based ANN Indexes 2024 VLDB 4.7640297e-05
7,843 Subspace Collision: An Efficient and Accurate Framework for High-dimensional Approximate Nearest Neighbor Search 2025 SIGMOD 4.6367909e-05
9,206 Odyssey: A Journey in the Land of Distributed Data Series Similarity Search 2023 VLDB 4.373492e-05
9,230 LeaFi: Data Series Indexes on Steroids with Learned Filters 2025 SIGMOD 4.3690661e-05
9,247 iEDeaL: A Deep Learning Framework for Detecting Highly Imbalanced Interictal Epileptiform Discharges 2023 VLDB 4.3690661e-05
9,291 DARTH: Declarative Recall Through Early Termination for Approximate Nearest Neighbor Search 2026 SIGMOD 4.3619549e-05
9,822 DIDS: Double Indices and Double Summarizations for Fast Similarity Search 2024 VLDB 4.2757088e-05
10,711 Cracking Vector Search Indexes 2025 VLDB 4.1945683e-05
10,833 Cardinality Estimation for Similarity Search on High-Dimensional Data Objects: The Impact of Reference Objects 2025 VLDB 4.1945683e-05
10,884 Representative Time Series Discovery for Data Exploration 2025 VLDB 4.1945683e-05
11,022 CIVET: Exploring Compact Index for Variable-Length Subsequence Matching on Time Series 2024 VLDB 4.1945683e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 20 of 20 cited papers.

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

Rank Cited Paper Year Venue Pagerank
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
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
1,010 HD-Index: Pushing the Scalability-Accuracy Boundary for Approximate kNN Search in High-Dimensional Spaces 2018 VLDB 0.00014652858
1,157 A Data-adaptive and Dynamic Segmentation Index for Whole Matching on Time Series 2013 VLDB 0.00013610658
1,161 Querying and Mining of Time Series Data: Experimental Comparison of Representations and Distance Measures 2008 VLDB 0.00013585236
2,435 iDEC: Indexable Distance Estimating Codes for Approximate Nearest Neighbor Search 2020 VLDB 8.8252237e-05
2,644 Series2Graph: Graph-based Subsequence Anomaly Detection for Time Series 2020 VLDB 8.3832357e-05
3,029 A Decade of Progress in Indexing and Mining Large Time Series Databases 2006 VLDB 7.6803666e-05
3,183 Return of the Lernaean Hydra: Experimental Evaluation of Data Series Approximate Similarity Search 2020 VLDB 7.4228241e-05
3,400 ELPIS: Graph-Based Similarity Search for Scalable Data Science 2023 VLDB 7.1405533e-05
3,540 Scalable, Variable-Length Similarity Search in Data Series: The ULISSE Approach 2018 VLDB 6.9943185e-05
3,629 The Lernaean Hydra of Data Series Similarity Search: An Experimental Evaluation of the State of the Art 2019 VLDB 6.902069e-05
4,755 Indexing for Interactive Exploration of Big Data Series 2014 SIGMOD 5.946863e-05
5,158 Coconut: A Scalable Bottom-Up Approach for Building Data Series Indexes 2018 VLDB 5.6588553e-05
5,738 Hercules Against Data Series Similarity Search 2022 VLDB 5.3478528e-05
8,712 ANN Softmax: Acceleration of Extreme Classification Training 2022 VLDB 4.4626362e-05
9,206 Odyssey: A Journey in the Land of Distributed Data Series Similarity Search 2023 VLDB 4.373492e-05
9,247 iEDeaL: A Deep Learning Framework for Detecting Highly Imbalanced Interictal Epileptiform Discharges 2023 VLDB 4.3690661e-05
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