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Bursty and Hierarchical Structure in Streams

. Data Mining and Knowledge Discovery, 7 (4): 373--397 (Oct 1, 2003)
DOI: 10.1023/A:1024940629314

Abstract

A fundamental problem in text data mining is to extract meaningful structure from document streams that arrive continuously over time. E-mail and news articles are two natural examples of such streams, each characterized by topics that appear, grow in intensity for a period of time, and then fade away. The published literature in a particular research field can be seen to exhibit similar phenomena over a much longer time scale. Underlying much of the text mining work in this area is the following intuitive premise---that the appearance of a topic in a document stream is signaled by a ``burst of activity,'' with certain features rising sharply in frequency as the topic emerges.

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Bursty and Hierarchical Structure in Streams | SpringerLink

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