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张宪超
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教授   博士生导师   硕士生导师

主要任职: 国防(先进)科学技术发展研究院副院长

性别: 男

毕业院校: 中国科技大学

学位: 博士

在职信息:在职

所在单位: 软件学院

学科: 计算机应用技术 软件工程

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Joining External Context Characters to Improve Chinese Word Embedding

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论文类型: 会议论文

第一作者: Zhang, Xianchao

合写作者: Liu, Shike,Li, Yuangang,Liang, Wenxin

发表时间: 2017-01-01

发表刊物: ADVANCES IN NEURAL NETWORKS, PT II

收录刊物: EI、CPCI-S

卷号: 10262

页面范围: 405-415

关键字: Word embeddings; Neural network; NLP

摘要: In Chinese, a word is usually composed of several characters, the semantic meaning of a word is related to its composing characters and contexts. Previous studies have shown that modeling the characters can benefit learning word embeddings, however, they ignore the external context characters. In this paper, we propose a novel Chinese word embeddings model which considers both internal characters and external context characters. In this way, isolated characters have more relevance and character embeddings contain more semantic information. Therefore, the effectiveness of Chinese word embeddings is improved. Experimental results show that our model outperforms other word embeddings methods on word relatedness computation, analogical reasoning and text classification tasks, and our model is empirically robust to the proportion of character modeling and corpora size.

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