Research on Knowledge Organization Technologies of Digital Library

Digital library is a new form of modern library, and it need to be constructed well eagerly for the phenomenon of information explosion and knowledge hunger. Meanwhile, the knowledge organization technologies have been improving day by day. So a good application is useful and helpful. In this paper, we introduce the features of every knowledge organization technology, and explore how they can apply to the construction of digital library in three dimensions. And we believe choosing the right technologies and combining them reasonable will do well in the construction based on the practical situation.