期刊名称：International Journal of Computer Science Issues
印刷版ISSN：1694-0784
电子版ISSN：1694-0814
出版年度：2011
卷号：8
期号：3
出版社：IJCSI Press
摘要：This research proposes a context-aware computing ubiquitous learning system architecture design. The system integrates data grid, the ability to perform context-awareness computing, and embedded Ganglia Agent design, structuring an architecture that is able to perform context awareness mobile network, creating a ubiquitous learning environment. The embedded Ganglia Agent could provide context information on system network traffic, the CPU load of the content server, and hard disk capacity, and utilize the information to balance the load of back-end content server, providing a flexible expandability mechanism for the back-end content server. The framework of the proposed ubiquitous learning system that has context-awareness computing ability is consisted of 3 major parts: Learning Management System (LMS), Learning Content Management System (LCMS) and the embedded Ganglia Agent (EGA). LMS is responsible for managing the learners basic personal information and studying records, LCMS is responsible for the management and storage of back-end learning contents, and EGA is responsible for the management network traffic, CPU load and hard disk capacity. With the three, the load of the back-end content server could be balanced, offering a flexible mechanism for the expansion of the server.
关键词：EGA; Data Grid; Context;aware; Learning Management System
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