Knowledge Construction Based on Visualization E-learning in Digital Library

Since the point that knowledge organizational system must be introduced into digital library was proposed, it has triggered a great concern to knowledge organization in digital library at home and abroad. This paper is based on the point, and puts forward the knowledge construction mode based on visualization e-learning. The main idea is that the learners utilize knowledge visualization tool to continually construct knowledge by learning the information resources of digital library so as to eventually form a complete knowledge organizational system, which can help user rapid retrieval and knowledge learning.