張品燦Pintsang Chang2014-10-272014-10-271998-10-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/15169Digital library is a collection of digital documents. Digital document is a document in digital format whether it is text, sound, graphic, video, or in any combinations. This paper outlines the phases of the life cycle of digital document, and their related technologies. The architecture, functional modules, and operational models of a typical digital library are depicted. Based on the experience of building a (Chinese/Han) digital library, which integrates Internet, World-Wide-Web, relational database management system, and textual search engine, the author presents the research and development directions and guidelines for the (Chinese/Han) digital library development.數位圖書館電子圖書館數位文件數位文件生命週期相關技術Digital libraryDigital documentsArchitectureFunctional modulesOptional models