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Improving Chinese Word Representation with Conceptual Semantics

Tingxin Wei1, 2, Weiguang Qu2, 3, *, Junsheng Zhou3, Yunfei Long4, Yanhui Gu3, Zhentao Xia3

1 International College for Chinese Studies, Nanjing Normal University, Nanjing, 210097, China.
2 School of Chinese Language and Literature, Nanjing Normal University, Nanjing, 210097, China.
3 School of Computer Science and Technology, Nanjing Normal University, Nanjing, 210023, China.
4 School of Computer Science and Electronic Engineering, University of Essex, Essex, CO4 3DQ, UK.

* Corresponding Author: Weiguang Qu. Email: email.

Computers, Materials & Continua 2020, 64(3), 1897-1913.


The meaning of a word includes a conceptual meaning and a distributive meaning. Word embedding based on distribution suffers from insufficient conceptual semantic representation caused by data sparsity, especially for low-frequency words. In knowledge bases, manually annotated semantic knowledge is stable and the essential attributes of words are accurately denoted. In this paper, we propose a Conceptual Semantics Enhanced Word Representation (CEWR) model, computing the synset embedding and hypernym embedding of Chinese words based on the Tongyici Cilin thesaurus, and aggregating it with distributed word representation to have both distributed information and the conceptual meaning encoded in the representation of words. We evaluate the CEWR model on two tasks: word similarity computation and short text classification. The Spearman correlation between model results and human judgement are improved to 64.71%, 81.84%, and 85.16% on Wordsim297, MC30, and RG65, respectively. Moreover, CEWR improves the F1 score by 3% in the short text classification task. The experimental results show that CEWR can represent words in a more informative approach than distributed word embedding. This proves that conceptual semantics, especially hypernymous information, is a good complement to distributed word representation.


Cite This Article

T. Wei, W. Qu, J. Zhou, Y. Long, Y. Gu et al., "Improving chinese word representation with conceptual semantics," Computers, Materials & Continua, vol. 64, no.3, pp. 1897–1913, 2020.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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