A progressive algorithm for cross-language information retrieval based on dictionary translation

  • Authors:
  • Song An Yuan;Song Nian Yu

  • Affiliations:
  • School of Computer Engineering and Science, Shanghai University, Shanghai, P.R. China;School of Computer Engineering and Science, Shanghai University, Shanghai, P.R. China

  • Venue:
  • AIRS'08 Proceedings of the 4th Asia information retrieval conference on Information retrieval technology
  • Year:
  • 2008

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Abstract

Query translation is the mainstream in cross-language information retrieval, but ambiguity must be resolved by methods based on dictionary translation. In this paper, we propose a progressive algorithm for disambiguation which is derived from another algorithm we propose called the max-sum model. The new algorithm take a strategy called weighted-average probability distribution to redistribute the probabilities. Moreover, the new algorithm can be computed in a more direct way by solving an equation system. All the resource our method requires is a bilingual dictionary and a monolingual corpus. Experiments show it outperforms four other methods.