Tag semantics for the retrieval of XML documents

Authors:
Davide Buscaldi;Giovanna Guerrini;Marco Mesiti;Paolo Rosso
Affiliations:
Università di Genova, Italy;Università di Pisa, Italy;Università di Milano, Italy;Universitat Politècnica de Valencia, Spain
Venue:
ISICT '03 Proceedings of the 1st international symposium on Information and communication technologies
Year:
2003

Citing 3
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Abstract

Word Sense Disambiguation (WSD), in the field of Natural Language Processing (NLP), consists in assigning the correct sense (semantics) to a word form (lexeme) by means of the context in which the lexeme is found. In this paper we investigate the possibility of applying WSD techniques to the field of Information Retrieval, especially to the retrieval of XML documents. We consider two methods to automatically assign semantic values to XML tags on the grounds of the tagged text contained. Such methods rely on the bayesian supervised approach and on an automatic unsupervised approach and exploit the WordNet ontology. Results show that the applicability of both methods is hampered by the habit of use abbreviation or shortcuts as tags.