|| Checking for direct PDF access through Ovid
This paper introduced an XML-based unified user interface system which implemented under Sun Microsystems's J2EE architecture. It is a multiple user interface system that user can access through Web browsers, PDA, and even cellular phones. First, we will dilate the main idea of this system and we will introduce XML technology and J2EE architecture that used in this system, and then a brief introduction in WAP (Wireless Application Protocol) technology. Second, we will introduce our related work. Third, we will introduce our work in the system. Finally, express our conclusions, and future work.