Cormode and Muthukrishnan: Count-Min sketch

What changed

Introduced Count-Min sketch with compact randomized counters and stated point, range and inner-product error bounds.

Scientific scope

The record is the exact two-author journal paper. Its approximation guarantees depend on the paper's parameters and probabilistic assumptions; it is not an exact counter and does not absorb prior or later streaming sketches.

Evidence

The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is the exact two-author journal paper. Its approximation guarantees depend on the paper's parameters and probabilistic assumptions; it is not an exact counter and does not absorb prior or later streaming sketches.

Contributors

• Graham Cormode · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
• S. Muthukrishnan · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.

• Oxford author publication page for Count-Min sketch
• Berkeley-hosted Count-Min sketch paper

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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