计算机科学 ›› 2015, Vol. 42 ›› Issue (2): 237-240.doi: 10.11896/j.issn.1002-137X.2015.02.049
黄媛,李培峰,朱巧明
HUANG Yuan, LI Pei-feng and ZHU Qiao-ming
摘要: 中文是一种话题结构的语言,其表达方式比较灵活,但句法结构不如英文严谨,导致了事件中论元与触发词的关系较松散。现有的论元抽取方法多数是基于浅层语义的句法结构特征,从而造成了论元抽取性能低下。为了解决这个问题,提出了基于语义的中文事件论元抽取方法。该方法利用角色、实体和触发词的语义,弥补了论元抽取中单纯采用句法特征的缺陷。在ACE2005中文语料上的测试结果表明,该方法与基准系统相比具有更高的性能。
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