同义词在化工领域中对专利检索查全率与查准率的影响

本文利用CPRS专利检索系统,分别研究了化工领域不同类型的同义词,对专利检索中查全率与查准率的影响,并选择出可以提高查全率与查准率的同义词类型。

This paper respectively discussed the different types of synonyms of chemical industry, discussed the effect on recall ratio and precision ratio by CPRS patent retrieval system, and chose the types of synonyms which can improve the recall ratio and precision ratio.