P063 - ISTA 2005 - Information Systems Technolopgy and its Applications

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Konferenzbeitrag
On the impact of document representation on classifier performance in e-mail categorization
(Information systems technology and its applications, ISTA' 2005, 2005) Berger, Helmut; Köhle, Monika; Merkl, Dieter
This paper provides an analysis of multi-class e-mail categorization performance. In order to investigate this issue, the quality of various classification algorithms based on two distinct document representation formalisms is compared. In particular, both a standard word-based document representation as well as a character n-gram document representation is used. The latter is regarded as highly noise-tolerant and was originally proposed for automatic language identification and as a convenient means for producing compact document indices. Furthermore the impact of using available e-mail specific meta-information on classification performance is explored and the findings are presented.