Abstract: In this paper a framework of layered digital library, called layered digital library infrastructure (in short, LDLI) is introduced. The core ,of LDLI is info-object layerits design and implementation is defined here. LDLI abstracts and encapsulates multimedia information on the Internet into an information entity--info-object, the author also defines three layers of info-object and the interface of each layer. ;;;

摘要： 提出一个分层数字图书馆基础架构(),详细阐述和论证了理论信息对象层的设计与LDLILayered Digital Library InfrastructureLDLI实现。在信息对象层,将上分布式多媒体信息资源抽象为信息对象()的概念,定义了信息对象的个层次和各层所实现InternetInfo-object3的接口。

关键词: 数字图书馆, 信息对象, 信息对象仓库, Handle system

CLC Number: 

• TP311.52