Using Nearest Neighbor Information to Improve Cross-Language Text Classification

  • Authors:
  • Adelina Escobar-Acevedo;Manuel Montes-Y-Gómez;Luis Villaseñor-Pineda

  • Affiliations:
  • Laboratory of Language Technologies, Department of Computational Sciences, National Institute of Astrophysics, Optics and Electronics (INAOE), Mexico;Laboratory of Language Technologies, Department of Computational Sciences, National Institute of Astrophysics, Optics and Electronics (INAOE), Mexico;Laboratory of Language Technologies, Department of Computational Sciences, National Institute of Astrophysics, Optics and Electronics (INAOE), Mexico

  • Venue:
  • MICAI '09 Proceedings of the 8th Mexican International Conference on Artificial Intelligence
  • Year:
  • 2009

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Abstract

Cross-language text classification (CLTC) aims to take advantage of existing training data from one language to construct a classifier for another language. In addition to the expected translation issues, CLTC is also complicated by the cultural distance between both languages, which causes that documents belonging to the same category concern very different topics. This paper proposes a re-classification method which purpose is to reduce the errors caused by this phenomenon by considering information from the own target language documents. Experimental results in a news corpus considering three pairs of languages and four categories demonstrated the appropriateness of the proposed method, which could improve the initial classification accuracy by up to 11%.