Establishing an academic digital library & information system in China: The case of CADLIS

china academic digital library & information system (cadlis) was established as a public service system in 1996. its mission is to improve the resource sharing for china's higher education. the framework of cadlis is constructed to allow easy interconnection and interoperability. this paper presents an introduction to the portal, academic resources, bibliographic system, service network, digital library technical platform, standards and criteria of cadlis as well.