计算机科学 ›› 2013, Vol. 40 ›› Issue (10): 221-225.
谢秋妹,高春鸣,王小兰
XIE Qiu-mei,GAO Chun-ming and WANG Xiao-lan
摘要： 针对故事文本的语义理解需要,采用开放式信息抽取方式对故事文本进行多元事实抽取,并将多元事实框架表示成事件语义模型。本方法提出了基于依存关系分析和正则表达式相结合的多元事实抽取方法,得到故事浅层语义的多元事实框架,然后将多元事实框架通过规则映射到具有定量时空描述的事件本体模型即Story-Oriented Semantic Description Language(SOSDL)本体。实验表明,多元事实抽取方法能抽取出较多的事实,具有较高的准确率,且SOSDL本体能有效地表示多元事实框架的事件、语义要素以及它们之间的关系。
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