Learning semantic user profiles from text

  • Authors:
  • M. Degemmis;P. Lops;G. Semeraro

  • Affiliations:
  • Dipartimento di Informatica, Università di Bari, Bari, Italia;Dipartimento di Informatica, Università di Bari, Bari, Italia;Dipartimento di Informatica, Università di Bari, Bari, Italia

  • Venue:
  • ADMA'06 Proceedings of the Second international conference on Advanced Data Mining and Applications
  • Year:
  • 2006

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Abstract

This paper focuses on the problem of choosing a representation of documents that can be suitable to induce more advanced semantic user profiles, in which concepts are used instead of keywords to represent user interests. We propose a method which integrates a word sense disambiguation algorithm based on the WordNet IS-A hierarchy, with two machine learning techniques to induce semantic user profiles, namely a relevance feedback method and a probabilistic one. The document representation proposed, that we called Bag-Of-Synsets improves the classic Bag-Of-Words approach, as shown by an extensive experimental session.