| Summary: | 博士 === 國立臺灣大學 === 資訊工程學研究所 === 87 === The university education in the last decade of the twentieth century faces esca-lating costs, uneven demographics, and administration inefficiency. The university education must become more productive to solve these problems. This productivity advance cannot be achieved wholly through the traditional approach of reducing the inputs, but also through greater attention to the learner.
In this dissertation, we will investigate technical issues on multimedia digital classroom and academic information system implemented in Java. A virtual university based on these two systems can alleviate or even solve the problems of current univer-sity education by providing a networked learning and information retrieval environ-ment. Our major contributions can be described in three aspects:
(1) A hybrid application-sharing model of event sharing and distributed object to support different interaction patterns in learning environment. Activities in learning environment include presentation, discussion and examination. The-se activities can be classified as single-input-multiple-views, multiple-inputs and local-view. Our hybrid model can combine applications with different interaction patterns transparently in a hierarchical manner.
(2) Various tools based on our proposed application-sharing model to support distance learning. Multimedia browser, audio conference, shared whiteboard and chat room has been implemented to construct a multimedia digital class-room.
(3) A high performance, easy to use, low cost and scalable academic information system. The system uses a RMI based three-tier architecture to explore any optimization techniques. Miscellaneous functionality has been provided to support daily academic information.
Our implementation is based on JDK1.1 and has been deployed in real world cases.
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