基于同义词词林扩展版的词语相似度计算 | IT草根



基于同义词词林扩展版的词语相似度计算 | IT草根

词义相似度计算在很多领域中都有广泛的应用,例如信息检索、信息抽取、文本分类、词义排歧、基于实例的机器翻译等等。国内目前主要是使用知网和同义词词林来进行词语的相似度计算。

本文主要是根据《基于同义词词林的词语相似度计算方法—田久乐》论文中所提出的分层算法实现相似度计算,程序采用Java语言编写。

同义词词林扩展版

《同义词词林》是梅家驹等人于1983年编纂而成,这本词典中不仅包括了一个词语的同义词,也包含了一定数量的同类词,即广义的相关词。《同义词词林扩展版》是由哈尔滨工业大学信息检索实验室所重新修订所得。该版收录词语近7万条,全部按意义进行编排,是一部同义类词典。

同义词词林按照树状的层次结构把所有收录的词条组织到一起,把词汇分成大、中、小三类,大类有12个,中类有97个,小类有1400个。每个小类里都有很多的词,这些词又根据词义的远近和相关性分成了若干个词群(段落)。每个段落中的词语又进一步分成了若干个行,同一行的词语要么词义相同,要么词义有很强的相关性。


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