Translation disambiguation in web-based translation extraction for English-Chinese CLIR

Authors:
Chengye Lu;Yue Xu;Shlomo Geva
Affiliations:
Queensland University of Technology, Brisbane, QLD, Australia;Queensland University of Technology, Brisbane, QLD, Australia;Queensland University of Technology, Brisbane, QLD, Australia
Venue:
Proceedings of the 2007 ACM symposium on Applied computing
Year:
2007

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Abstract

Dictionary based translation is a traditional approach in use by cross-language information retrieval systems. However, significant performance degradation is often observed when queries contain words that do not appear in the dictionary. This is called the Out Of Vocabulary (OOV) problem. In recent years, web-based translation extraction was shown to be one of the more effective approaches to the solution of this problem. Previous work focussed on selecting the correct translation from a set of web extracted terms. The common methods for translation selection for web-based translation always rely on word frequency calculation but the results are not always satisfactory. In this paper we present our approach to the selection of terms in a more accurate manner. Our experiments show improvement in translation accuracy over other commonly used approaches.