CASIA OpenIR  > 模式识别国家重点实验室  > 自然语言处理
A Study of the Effectiveness of Suffixes for Chinese Word Segmentation
Li XQ(李小青); Zong Chengqing; Su Keh-Yih; Li, Xiaoqing
2013
会议名称Pacific Asia Conference on Language, Information, and Computation
会议录名称Proceedings of 27th Pacific Asia Conference on Language, Information, and Computation
会议日期November 22-24
会议地点Taipei
摘要
We investigate whether suffix related features can significantly improve the performance of
character-based approaches for Chinese word segmentation (CWS). Since suffixes are quite productive in forming new words, and OOV is the main error source for CWS, many researchers expect that suffix information can further improve the performance. With this
belief, we tried several suffix related features in both generative and discriminative approaches. However, our experiment results have shown that significant improvement can hardly be achieved by incorporating suffix related features into those widely adopted
surface features, which is against the commonly believed supposition. Error analysis reveals that the main problem behind this surprising finding is the conflict between the degree of reliability and the coverage rate of suffix related features.
关键词Chinese Word Segmentation Suffix
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/13015
专题模式识别国家重点实验室_自然语言处理
通讯作者Li, Xiaoqing
作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Li XQ,Zong Chengqing,Su Keh-Yih,et al. A Study of the Effectiveness of Suffixes for Chinese Word Segmentation[C],2013.
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