Introspection and research:the valid means of English teacher s knowledge construction;

The interaction between learners has been playing an active role in promoting learners knowledge construction.

Studying the descriptive geometry course was the process of knowledge construction, which mainly included organizing knowledge unit and knowledge structure chain step by step.

In order to reach training aim,four phases -decomposing skill,constructing knowledge,designing teaching,assessing teaching are brought forward.

Analysis on Knowledge Architecture Core Elements and Optimization of Knowledge Management;

Realization of knowledge service based on knowledge architecture

It analyzed the developing inevitability from information architecture to knowledge architecture,which is based on the knowledge architecture of the core elements,and combining with integrate the development trend of information science from the scope of the study and disciplines.

Collaborative Knowledge Building in Online Learning Environment;

Study on the Web-based Knowledge Building Community;

Knowledge building is a meaning making process with social negotiation and dialog, which needs a kind of complex learning technology system to support for.