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Automatic Tracking of Obsolescent Segments with Linguistic Cues Repérer automatiquement les segments obsolescents à l'aide d'indices sémantiques et discursifs

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Author(s): Marion Laignelet | François Rioult

Journal: Traitement Automatique des Langues
ISSN 1248-9433

Volume: 51;
Issue: 1;
Start page: 41;
Date: 2010;
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Keywords: automatic tracking of obsolescence | discursive cues | encyclopedic texts | supervised classification | area under the ROC curve

ABSTRACT
This paper deals with the description and the automatic tracking of text segments containing obsolescence in encyclopedia texts. We assume that despite the non-linguistic nature of this phenomenon, discursive cues are relevant to track those segments. For that purpose, we have worked on a corpus which has been manually annotated by experts and on which we have projected automatically tracked cues. We use machine learning techniques to evaluate the predictive power of our cues. We show, using supervised classification, that our hypotheses enable us to build an automatic procedure to assist human experts.
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