| 1. | This thesis analyses the existing concept - based retrieval systems , based on this introduction , and puts forward a concept retrieval system based on synonyms recognition . automatic recognition of synonyms plays an important role in concept - based information retrieval . based on the analyses of the synonyms recognition , we use the similarity degree among the words to recognize synonyms , and mining a lot of multiple synonyms 同义词的自动发现和识别在基于概念的信息检索领域有着重要的研究意义和应用价值,本文对国内和国外同义词识别算法进行研究和分析的基础上,对基于语义体系的同义词识别算法,即基于《同义词词林》的同义词识别算法和基于《知网》的同义词识别算法进行了深入的研究,利用词汇间的语义相似度度量来进行同义词识别,挖掘出大量的复合词形的同义词。 |