Knowledge from heterogeneous sources such as databases, text and web files is transformed into XML format by wrappers and then stored into a XML Knowledge Base. By using XSL technology the featured display of knowledge is implemented.

• 系统将异构知识源的知识通过包装器统一转化成XML格式存入XML知识库，并利用XSL技术将知识动态多样化地显示给用户。