In this paper,the tag ontology is mainly introduced,and the classification of tag ontology is compared with that of books, the differences between tag ontology and present organization of library resources are pointed out, and finally the application of tag ontology in library is prospected.%本文主要对标签本体进行了介绍,并对标签本体与图书分类法进行了比较,指出标签本体与当前图书馆图书资源组织的不同,最后对标签本体在图书馆的应用进行了展望.
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