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A Tree-to-String EBMT Method by Integrating Joint Model of Chinese Segmentation and Dependency Parsing
Dandan WANG, Jin’an XU, Yufeng CHEN, Yujie ZHANG, Xiaohui YANG
Acta Scientiarum Naturalium Universitatis Pekinensis    2017, 53 (2): 295-304.   DOI: 10.13209/j.0479-8023.2017.035
Abstract909)   HTML17)    PDF(pc) (523KB)(242)       Save

In consideration of the complexity and high cost of system construction in traditional examplebased machine translation (EBMT) methods, the authors propose a Chinese-English tree-to-string EBMT method. Compared with the traditional methods, the preposed approach just needed to implement the processing of source language parsing. Word segmentation, POS tagging and dependency parsing were jointed to relieve the affections of error propagation and failure of feature extraction at different levels. Moreover, the authors extracted and generalized bilingual word and phase alignments from examples and templates by using the dependency structure of source language. Experimental results show that the preposed method can achieve better performance significantly than baseline systems.

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