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Abstract: We show that the intelligent use of one small piece of contextual information--a document's publication date--can improve the performance of classifiers trained on a text categorization task. We focus on academic research documents, where the date of publication undoubtedly has an effect on an author's choice of words. To exploit this contextual feature, we propose the technique of temporal feature modification, which takes various sources of lexical change into account, including... (Update)
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BibTeX entry: (Update)
@misc{ liebscher-temporal,
author = "Robert Liebscher and Richard K. Belew",
title = "Temporal Feature Modification for Retrospective Categorization",
url = "citeseer.ist.psu.edu/liebscher05temporal.html" }
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