http://www.cnr.it/ontology/cnr/individuo/prodotto/ID44251

Active learning strategies for multi-label text classification (Articolo in rivista)

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Active learning strategies for multi-label text classification (Articolo in rivista) (literal)

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Esuli A.; Sebastiani F. (2009)
Active learning strategies for multi-label text classification
in Lecture notes in computer science
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In: ECIR'09 - 31st European Conference on Information Retrieval (Toulouse, FR, 7-9 April 2009). Proceedings, pp. 102 - 113. Mohand Boughanem, Catherine Berrut, Josiane Mothe, Chantal Soule-Dupuy (eds.). (Lecture Notes in Computer Science, vol. 5478). Springer Verlag, 2009. (literal)

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Active learning refers to the task of devising a ranking function that, given a classifier trained from relatively few training examples, ranks a set of additional unlabeled examples in terms of how much further information they would carry, once manually labeled, for retraining a (hopefully) better classifier. Research on active learning in text classification has so far concentrated on single-label classification; active learning for multi-label classification, instead, has either been tackled in a simulated (and, we contend, non-realistic) way, or neglected tout court. In this paper we aim to fill this gap by examining a number of realistic strategies for tackling active learning for multi-label classification. Each such strategy consists of a rule for combining the outputs returned by the individual binary classifiers as a result of classifying a given unlabeled document. We present the results of extensive experiments in which we test these strategies on two standard text classification datasets. (literal)

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