Classifying text streams in the presence of concept drifts
2004
Concept drifting is always an interesting problem. For instance, a user is interested in a set of topics, X, for a period, may switches to a different set of topics, Y, in the next period. In this paper, we focus on two issues of concept drifts, namely, concept drifts detection and model adaptation in a text stream context. We use statistical control to detect concept drifts, and propose a new multi-classifier strategy for model adaptation. We conducted extensive experiments and reported our findings in this paper.
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