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FITing-Tree: A Data-aware Index Structure

Summary: FITing-Tree presents a data-aware index that uses piecewise-linear approximations bounded by a tunable error. A cost model selects the error to balance lookup latency and storage, delivering near full-index performance with orders of magnitude less memory on real datasets. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
5672
Venue
SIGMOD
Year
2019
Pagerank
0.00012303141
Overall Rank
1,375 | 90.44%
DOI
10.1145/3299869.3319860

Incoming Non-self Citations Over Time

Authors

Incoming Citations (Sorted by Pagerank)

Showing 13 of 63 citing papers.

Rank Citing Paper Year Venue Pagerank
10,038 Understanding Robustness Issues of Updatable Learned Indexes: [Experiments & Analysis] 2026 SIGMOD 4.1945683e-05
10,087 High Performance or Low Memory? An Updatable Learned Index Framework for Time-Space Tradeoff 2026 SIGMOD 4.1945683e-05
10,169 From Learning to Recycling: A Log-Structured Learned-Less Index 2026 SIGMOD 4.1945683e-05
10,172 HIRE: A Hybrid Learned Index for Robust and Efficient Performance under Mixed Workloads 2026 SIGMOD 4.1945683e-05
10,180 LM-Tree: A Hybrid Learned Index for Similarity Search in Metric Spaces 2026 SIGMOD 4.1945683e-05
10,216 The Case For Language Model Approximated LIKE Predicate 2026 SIGMOD 4.1945683e-05
10,319 LiBox: A Learned Index as an Array to Minimize Last-Mile Search 2026 VLDB 4.1945683e-05
10,396 VEGA: An Active-tuning Learned Index with Group-Wise Learning Granularity 2025 SIGMOD 4.1945683e-05
10,712 DobLIX: A Dual-Objective Learned Index for Log-Structured Merge Trees 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
10,949 SWIX: A Memory-efficient Sliding Window Learned Index 2024 SIGMOD 4.1945683e-05
11,276 Route Travel Time Estimation on A Road Network Revisited: Heterogeneity, Proximity, Periodicity and Dynamicity 2023 VLDB 4.1945683e-05
11,504 LES3: Learning-based Exact Set Similarity Search 2021 VLDB 4.1945683e-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
44 The Design Of Postgres 1986 SIGMOD 0.00071838587
102 The Case for Learned Index Structures 2018 SIGMOD 0.00049545203
368 Small Materialized Aggregates: A Light Weight Index Structure for Data Warehousing 1998 VLDB 0.000254931
381 FAST: Fast Architecture Sensitive Tree Search on Modern CPUs and GPUs 2010 SIGMOD 0.00024873637
408 Database Cracking 2007 CIDR 0.00023953844
609 Monkey: Optimal Navigable Key-Value Store 2017 SIGMOD 0.0001923446
825 Dimensionality Reduction for Similarity Searching in Dynamic Databases 1998 SIGMOD 0.00016228517
1,035 Bitmap Index Design and Evaluation 1998 SIGMOD 0.00014532778
1,213 RDF-3X: a RISC-style Engine for RDF 2008 VLDB 0.0001325231
1,312 Reducing the Storage Overhead of Main-Memory OLTP Databases with Hybrid Indexes 2016 SIGMOD 0.00012652548
1,913 BF-Tree: Approximate Tree Indexing 2014 VLDB 0.00010113937
1,951 Performance Measurements of Compressed Bitmap Indices 1999 VLDB 9.9685919e-05
2,051 Efficient Parallel Lists Intersection and Index Compression Algorithms using Graphics Processing Units 2011 VLDB 9.686731e-05
2,140 Online Piece-wise Linear Approximation of Numerical Streams with Precision Guarantees* 2009 VLDB 9.4626098e-05
2,837 Correlation Maps: A Compressed Access Method for Exploiting Soft Functional Dependencies 2009 VLDB 8.0414149e-05
3,912 Two Birds, One Stone: A Fast, yet Lightweight, Indexing Scheme for Modern Database Systems 2017 VLDB 6.6354964e-05
4,030 Revisiting Reuse for Approximate Query Processing 2017 VLDB 6.5129665e-05
5,119 Design Tradeoffs of Data Access Methods 2016 SIGMOD 5.6807904e-05
5,346 UpBit: Scalable In-Memory Updatable Bitmap Indexing 2016 SIGMOD 5.5561846e-05
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