When You Doubt, Abstain: From Misclassification to Epoché in Automatic Text Categorisation

Authors:
Angela Locoro;Daniele Grignani;Viviana Mascardi
Affiliations:
-;-;-
Venue:
WI-IAT '11 Proceedings of the 2011 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology - Volume 03
Year:
2011

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Abstract

This paper describes how natural language processing and ontologies are exploited for automatic text categorisation. The approach introduced is part of the MANENT system, an infrastructure for integrating, structuring and searching Digital Libraries. The procedure of structural information extraction, and of the automatic classification of the records according to natural language understanding and the WordNet Domains taxonomy is discussed. A comparison between two versions of the classification algorithm is conducted and the improvements of the new approach are articulated. In particular, using semantic connections between words refines the classification results while reducing misclassification to no classification.