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DILI: A Distribution-Driven Learned Index

Summary: DILI builds a distribution-driven learned index with linear models and adaptive, locality-aware fanouts, yielding perfect internal-node routing and model-predicted leaf positions. It supports efficient dynamic updates by restructuring as distributions change, outperforming prior learned indexes. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
13260
Venue
VLDB
Year
2023
Pagerank
6.773869e-05
Overall Rank
4,300 | 70.50%
DOI
10.14778/3598581.3598593

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{li_vldb23,
        title = {{DILI: A Distribution-Driven Learned Index}},
        author = {Li, Pengfei and Lu, Hua and Zhu, Rong and Ding, Bolin and Yang, Long and Pan, Gang},
        journal = {PVLDB},
        series = {{VLDB} '23},
        volume = {16},
        number = {9},
        pages = {2212--2224},
        doi = {10.14778/3598581.3598593},
        url = {https://doi.org/10.14778/3598581.3598593},
        year = {2023}
}

Incoming Citations (Sorted by Pagerank)

Showing 14 of 14 citing papers.

Rank Citing Paper Year Venue Pagerank
5,261 Oasis: An Optimal Disjoint Segmented Learned Range Filter 2024 VLDB 6.2955539e-05
6,874 SALI: A Scalable Adaptive Learned Index Framework based on Probability Models 2023 SIGMOD 5.7489487e-05
7,224 LITS: An Optimized Learned Index for Strings 2024 VLDB 5.6675134e-05
7,368 Accelerating String-key Learned Index Structures via Memoization-based Incremental Training 2024 VLDB 5.6315363e-05
7,392 Hyper: A High-Performance and Memory-Efficient Learned Index via Hybrid Construction 2024 SIGMOD 5.6265456e-05
8,709 Why Are Learned Indexes So Effective but Sometimes Ineffective? 2025 VLDB 5.3789739e-05
9,599 Understanding Robustness Issues of Updatable Learned Indexes: [Experiments & Analysis] 2026 SIGMOD 5.2492748e-05
10,262 LINE: A Learned Index with Group-Enhanced Leaves and Cache-Optimized Inner Tree 2026 SIGMOD 5.093636e-05
10,277 On Self-Designing Learned Indexes 2026 SIGMOD 5.093636e-05
10,378 High Performance or Low Memory? An Updatable Learned Index Framework for Time-Space Tradeoff 2026 SIGMOD 5.093636e-05
10,461 HIRE: A Hybrid Learned Index for Robust and Efficient Performance under Mixed Workloads 2026 SIGMOD 5.093636e-05
10,610 A Workload-Aware Encrypted Index for Efficient Privacy-Preserving Range Queries 2026 VLDB 5.093636e-05
10,682 VEGA: An Active-tuning Learned Index with Group-Wise Learning Granularity 2025 SIGMOD 5.093636e-05
10,955 DobLIX: A Dual-Objective Learned Index for Log-Structured Merge Trees 2025 VLDB 5.093636e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 19 of 19 cited papers.

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

Rank Cited Paper Year Venue Pagerank
43 The Case for Learned Index Structures 2018 SIGMOD 0.00046060254
447 ALEX: An Updatable Adaptive Learned Index 2020 SIGMOD 0.00018322593
477 The PGM-index: a fully-dynamic compressed learned index with provable worst-case bounds 2020 VLDB 0.00017851226
568 SageDB: A Learned Database System 2019 CIDR 0.0001641553
790 FITing-Tree: A Data-aware Index Structure 2019 SIGMOD 0.0001401445
847 Benchmarking Learned Indexes 2021 VLDB 0.0001365768
873 Learning Multi-dimensional Indexes 2020 SIGMOD 0.00013481915
1,174 Tsunami: A Learned Multi-dimensional Index for Correlated Data and Skewed Workloads 2021 VLDB 0.00011817414
1,418 LISA: A Learned Index Structure for Spatial Data 2020 SIGMOD 0.00010835539
1,492 BF-Tree: Approximate Tree Indexing 2014 VLDB 0.00010588267
1,551 Updatable Learned Index with Precise Positions 2021 VLDB 0.00010381398
1,840 Effectively Learning Spatial Indices 2020 VLDB 9.6404567e-05
2,213 Designing Succinct Secondary Indexing Mechanism by Exploiting Column Correlations 2019 SIGMOD 8.9410226e-05
2,233 FINEdex: A Fine-grained Learned Index Scheme for Scalable and Concurrent Memory Systems 2022 VLDB 8.8968964e-05
2,806 Are Updatable Learned Indexes Ready? 2022 VLDB 8.1013097e-05
2,910 APEX: A High-Performance Learned Index on Persistent Memory 2022 VLDB 7.9700885e-05
3,729 CARMI: A Cache-Aware Learned Index with a Cost-based Construction Algorithm 2022 VLDB 7.1683974e-05
4,414 NFL: Robust Learned Index via Distribution Transformation 2022 VLDB 6.7159984e-05
8,214 Tuning Hierarchical Learned Indexes on Disk and Beyond 2022 SIGMOD 5.4658344e-05
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