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Finding the Frequent Items in Streams of Data

By Graham Cormode, Marios Hadjieleftheriou

Communications of the ACM, Vol. 52 No. 10, Pages 97-105

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Many data generation processes can be modeled as data streams. While this data may be archived and indexed within a data warehouse, it is also important to process the data "as it happens," to provide up to the minute analysis and statistics on current trends.

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