A flexible example annotation schema: translation corresponding tree representation

Authors:
Fai Wong;Dong Cheng Hu;Yu Hang Mao;Ming Chui Dong
Affiliations:
Tsinghua University, Beijing;Tsinghua University, Beijing;Tsinghua University, Beijing;University of Macao, Macao SAR
Venue:
COLING '04 Proceedings of the 20th international conference on Computational Linguistics
Year:
2004

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Abstract

This paper presents work on the task of constructing an example base from a given bilingual corpus based on the annotation schema of Translation Corresponding Tree (TCT). Each TCT describes a translation example (a pair of bilingual sentences). It represents the syntactic structure of source language sentence, and more importantly is the facility to specify the correspondences between string (both the source and target sentences) and the representation tree. Furthermore, syntax transformation clues are also encapsulated at each node in the TCT representation to capture the differentiation of grammatical structure between the source and target languages. With this annotation schema, translation examples are effectively represented and organized in the bilingual knowledge database that we need for the Portuguese to Chinese machine translation system.