Sublime: Sublinear Error & Space for Unbounded Skewed Streams
Summary: Sublime makes frequency sketches space-efficient for skewed, unbounded streams using cache-line-local variable-length counters that grow on overflow. It also expands the counter array over time, enabling tunable accuracy–memory tradeoffs for Count-Min and Count Sketch. (summarized by gpt-5.6-luna on Jul 26 2026)
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Authors
- 1. Navid Eslami (University of Toronto)
- 2. Ioana O. Bercea (Royal Institute of Technology)
- 3. Rasmus Pagh (University of Copenhagen)
- 4. Niv Dayan (University of Toronto)
BibTeX Citation
@inproceedings{eslami_sigmod26,
title = {{Sublime: Sublinear Error \& Space for Unbounded Skewed Streams}},
author = {Eslami, Navid and Bercea, Ioana O. and Pagh, Rasmus and Dayan, Niv},
series = {{SIGMOD} '26},
booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
publisher = {Association for Computing Machinery},
doi = {10.1145/3802116},
url = {https://dl.acm.org/doi/10.1145/3802116},
year = {2026}
}
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