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Word alignment in English-Chinese parallel corpora

Piao, Scott (2002) Word alignment in English-Chinese parallel corpora. Literary and Linguistic Computing, 17 (2). pp. 207-230. ISSN 0268-1145

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Abstract

Word alignment in bilingual or multilingual parallel corpora has been a challenging issue for natural language engineering. An efficient algorithm for automatically aligning word translation equivalents across different languages will be of use for a number of practical applications such as multilingual lexical construction, machine translation, etc. This paper presents a hybrid algorithm for English–Chinese word alignment, which incorporates co‐occurrence association measures, word distribution distances, English word lemmatization, and part‐of‐speech information. Eleven co‐occurrence association coefficients and eight distance measures of word distribution are explored to compare their efficiency for word alignment. The paper also describes an experiment in which the algorithm is evaluated on sentence‐aligned English–Chinese parallel corpora. In the experiment, the algorithm produced encouraging success rates on two test corpora, with the highest success rate of 89.37 per cent. It provides a practical tool for extracting word translation equivalents from English–Chinese parallel corpora.

Item Type: Article
Journal or Publication Title: Literary and Linguistic Computing
Uncontrolled Keywords: word alighment ; parallel corpus
Subjects: UNSPECIFIED
Departments: Faculty of Science and Technology > School of Computing & Communications
ID Code: 52130
Deposited By: ep_importer_pure
Deposited On: 20 Dec 2011 09:43
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 22:58
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/52130

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