基于知识元的数字图书馆学科标引研究

On Discipline Indexing of Digital Library Based on Knowledge Element

对数字图书馆图书按中图法分类和学科分类进行了比较,定义了新的知识元结构,利用知识元中出现的概念,通过中文Wikipedia概念库得到的丰富的语义信息,对抽取的图书概念与学科分类类目之间计算语义相似度、语义关联度,进行语义链接,最后展示了初步实现的数字图书馆学科标引系统.

In this paper, we compare e-book category based on Classification of disciplines with the one based on Chinese Library Classification （ZTF）, and propose a novel method to define new knowledge element structure by using the concepts involving knowledge element and the rich semantic information derived from Chinese Wikipedia concept database. ＂We compute the semantic similarity and semantic associativity between the extracted book concepts and the discipline categories, followed by linking the book to the category with semantic information. In the end, the proposed system of discipline indexing of digital library is presented.