CORE-Sketch: On Exact Computation of Median Absolute Deviation with Limited Space
Summary: CORE-Sketch computes exact median absolute deviation in limited space via a construction–refinement sketch that progressively identifies the MAD element. Its mergeability and convergence support parallel computation, with costs near approximate DD-Sketches and far below full storage. (summarized by gpt-5.6-luna on Jul 24 2026)
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Authors
- 1. Haoquan Guan (Beijing Institute of Technology; Tsinghua University)
- 2. Ziling Chen (Beijing Institute of Technology; Tsinghua University)
- 3. Shaoxu Song (Beijing Institute of Technology; Tsinghua University)
BibTeX Citation
@article{guan_vldb23,
title = {{CORE-Sketch: On Exact Computation of Median Absolute Deviation with Limited Space}},
author = {Guan, Haoquan and Chen, Ziling and Song, Shaoxu},
journal = {PVLDB},
series = {{VLDB} '23},
volume = {16},
number = {11},
pages = {2832--2844},
doi = {10.14778/3611479.3611491},
url = {https://doi.org/10.14778/3611479.3611491},
year = {2023}
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Outgoing Citations (Sorted by Pagerank)
Showing 9 of 9 cited papers.
Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.
| Rank | Cited Paper | Year | Venue | Pagerank |
|---|---|---|---|---|
| 142 | LOF: Identifying Density-Based Local Outliers | 2000 | SIGMOD | 0.0002962566 |
| 1,949 | Diagnosing Root Causes of Intermittent Slow Queries in Cloud Databases | 2020 | VLDB | 9.430385e-05 |
| 2,455 | DDSketch: A Fast and Fully-Mergeable Quantile Sketch with Relative-Error Guarantees | 2019 | VLDB | 8.5552968e-05 |
| 3,447 | Volume Under the Surface: A New Accuracy Evaluation Measure for Time-Series Anomaly Detection | 2022 | VLDB | 7.4085215e-05 |
| 4,472 | Relative Error Streaming Quantiles | 2021 | PODS | 6.6810874e-05 |
| 5,184 | KLL± Approximate Quantile Sketches over Dynamic Datasets | 2021 | VLDB | 6.3283918e-05 |
| 5,539 | TcpRT: Instrument and Diagnostic Analysis System for Service Quality of Cloud Databases at Massive Scale in Real-time | 2018 | SIGMOD | 6.1817228e-05 |
| 6,040 | FPGA: What's in it for a Database? | 2009 | SIGMOD | 5.9977597e-05 |
| 11,703 | Approximating Median Absolute Deviation with Bounded Error | 2021 | VLDB | 5.093636e-05 |
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