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Bilingually-Constrained Recursive Neural Networks with Syntactic Constraints for Hierarchical Translation Model
Chen W(陈炜); Xu B(徐波); Chen,Wei
2015-10
Conference NameNatural Language Processing and Chinese Computing (NLPCC)
Source PublicationNatural Language Processing and Chinese Computing (NLPCC)
Conference Date2015-10
Conference PlaceNanchang,China
AbstractHierarchical phrase-based translation models have advanced statistical machine translation (SMT). Because such models can improve leveraging of syntactic information, two types of methods (leveraging source parsing and leveraging shallow parsing) are applied to introduce syntactic constraints into translation models. In this paper, we propose a bilingually-constrained recursive neural network (BC-RNN) model to combine the merits of these two types of methods. First we perform supervised learning on a manually parsed corpus using the standard recursive neural network (RNN) model. Then we employ unsupervised bilingually-constrained tuning to improve the accuracy of the standard RNN model. Leveraging the BC-RNN model, we introduce both source parsing and shallow parsing information into a hierarchical phrase-based translation model. The evaluation demonstrates that our proposed method outperforms other state-of-the-art statistical machine translation methods for National Institute of Standards and Technology 2008 (NIST 2008) Chinese-English machine translation testing data.
KeywordMachine Translation Neural Network Syntactic
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11803
Collection数字内容技术与服务研究中心_听觉模型与认知计算
Corresponding AuthorChen,Wei
Affiliation中国科学院自动化研究所
Recommended Citation
GB/T 7714
Chen W,Xu B,Chen,Wei. Bilingually-Constrained Recursive Neural Networks with Syntactic Constraints for Hierarchical Translation Model[C],2015.
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