This paper introduces the retrieval language, analyzes on the application of the retrieval language in library and retrieval system, and discusses on the methods for the classification and subject.
介绍了检索语言，分析了检索语言在图书馆和检索系统中的应用，论述了分类和主题方法。
Therefore scientific classification should be adopted according to The Encyclopedia, Classification of Chinese Libraries and The Subject Classification of the Sports Science System.
因此，要采用科学分类法。 科学分类的主要依据来自：百科全书、中国图书馆分类法，体育科学体系的学科分类。
According to the study, OSSC is implemented in Concept Extract System and applied to subject classification and similarity calculation.
根据上述研究，本文在概念提取系统中实现了OSSC算法并将其应用到网页主题分类和网页相似度计算这两个方面。
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