Structure the flatform of E-learning resources of university

The traditional teaching organization with chapters and sections don´t degree the need in E-learning. It is not conducive to establish cognitive structure for learner. The education sectors have been widely recognized organizing content of teaching resources and provide learning with the core knowledge points. Now the major problem is how to defined knowledge ontology. Researching the learning resources organization based on knowledge ontology and building a multi-level semantic structure of knowledge areas are necessary.