CR-precis: A Deterministic Summary Structure for Update Data Streams

Abstract

We present deterministic sub-linear space algorithms for problems over update data streams, including, estimating frequencies of items and ranges, finding approximate frequent items and approximate φ-quantiles, estimating inner-products, constructing near-optimal B-bucket histograms and estimating entropy. We also present improved lower bound results for several problems over update data streams.

DOI: 10.1007/978-3-540-74450-4_5

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@inproceedings{Ganguly2007CRprecisAD, title={CR-precis: A Deterministic Summary Structure for Update Data Streams}, author={Sumit Ganguly and Anirban Majumder}, booktitle={ESCAPE}, year={2007} }