计算机科学 ›› 2016, Vol. 43 ›› Issue (5): 188-192.doi: 10.11896/j.issn.1002-137X.2016.05.034
李峰,黄金柱,李舟军,杨伟铭
LI Feng, HUANG Jin-zhu, LI Zhou-jun and YANG Wei-ming
摘要: 句子相关性计算在自然语言处理的多个实践应用中均具有十分重要的作用,如舆情监测、信息检索、统计机器翻译等。在明确相似性与相关性之间的关系之后,设计了一种基于领域语料驱动的句子相关性计算方法,该方法基于同一领域的语料构建一个“句-段-篇”3层的领域语义空间,通过度量词语在各个层级间的共现概率、共现平均距离和句长等因子来测量词间的主题相关性。与基于字面特征、HowNet和同义词词林的方法进行了实验对比,结果表明该方法具有较好的实践应用价值。
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