Research of Subject Knowledge Revealing and Specialized Documents Searching

It is a very important aided way by teaching college students to learn some specialized knowledge systematically and guiding them to retrieve specialized documents in professional courses teaching in universities. The paper not only explores the expressions of some specialized knowledge structures based on national criterions and professional course systems after has researched national subject documents, professional course systems and standards of book classification, but also discusses the ways of building mapping relations between literal correlation and semantic correlation based on subject category and document classification. Such building ways can make college students retrieve the documents of their subjects or specialties in library's bibliographic retrieval system accurately by using familiar subject concept terms in their specialties learning. Besides that, such kinds of ways can also have some practical means to enhance college students' specialized knowledge learning.