田元贺;刘 扬. 汉语未登录词的词义知识表示及语义预测[J]. 中文信息学报, 2016, 30(6): 26-34.
TIAN Yuanhe; LIU Yang. Lexical Knowledge Representation and Sense Prediction of Chinese Unknown Words. , 2016, 30(6): 26-34.
Lexical Knowledge Representation and Sense Prediction of Chinese Unknown Words
TIAN Yuanhe1,2; LIU Yang2,3
1. Department of Chinese Language and Literature, Peking University, Beijing 100871, China;
2. Key Laboratory of Computational Linguistics Ministry of Education, Peking University, Beijing 100871, China;
3. Institute of Computational Linguistics, Peking University, Beijing 100871, China
Abstract：In the previous researches in sense prediction of Chinese unknown words, the lexical knowledge related to word-formation has been used but not regarded as a valuable form of knowledge representation. This paper, on the basis of the morphemic concepts, provides a multi-level solution to knowledge representation of Chinese unknown words. A model based on Bayesian network is also constructed to analyze semantic word-formation of Chinese unknown words, effectively predicting the multi-level lexical knowledge of Chinese unknown words. This kind of lexical knowledge representation is simple, intuitive and easy to expand. Experimental results show that, this knowledge representation is of important value in sense guessing of Chinese unknown words, and can meet the application needs on different levels.
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2016, Vol. 30 
