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    题名: The Distributed Multimedia Presentation System Based on Extended Timed Petri Nets
    作者: Shih, Timothy K.;Keh, Huan-Chao;Huang, Jiung-yao;Deng, Lawrence Y.;Huang, Teh-Sheng;Chiang, Ding-Jung
    关键词: Petri Net;Distributed Multimedia Presentation;Distance Learning;Floor Control
    日期: 2000-12
    上传时间: 2016-08-16 15:09:01 (UTC+8)
    摘要: Currently, multimedia presentation technologies among the network are most often used in many communication services. Examples of those applications include video-on demand, interactive TV and the communication tools on a distance learning system and so on. In this paper, we describe how to present different multimedia objects on a web presentation system. The distributed approach is based on an extended timed Petri net model. Using characterization of extended time Petri net, we express the temporal behavior of multimedia objects; on the other hand, we introduce the concepts of user interaction. The main goal of our system is to provide a feasible method to represent a schedule and navigation of different multimedia objects with user interaction. In addition, users can dynamically modify and verify different kinds of conditions during the presentation. To verify the structural mechanism, we implement an algorithm using the Petri net diagram, analyzing the model by time schedule of multimedia objects, and produce a synchronous set of multimedia objects with respect to time duration. Another, we also proposed a communication tool that follows a floor control mode, which provides four types of control (free access, equal control, group discussion, and direct contact). These control mechanisms are sufficient to the use of virtual university environment. Furthermore, we discussed our web presentation based on software metrics.
    關聯: 資管評論, 10, 87-102
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    数据类型: article
    显示于类别:[MIS review(資管評論)] 期刊論文

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