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An Optimal Algorithm for l1-Heavy Hitters in Insertion Streams and Related Problems

Summary: Optimal l1-heavy-hitters algorithm for insertion streams: returns all items with f_i≥φm, rejects those ≤(φ−ε)m, gives |f̂_i−f_i|≤εm, uses O(ε^{-1}log(1/φ)+φ^{-1}log n+log log m) bits and O(1) updates. Matches a proved space lower bound; also yields max-frequency estimation and comparison-based variants for rank-aggregation/voting. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
1679
Venue
PODS
Year
2016
Pagerank
5.0696932e-05
Overall Rank
6,418 | 55.36%
DOI
10.1145/2902251.2902284

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