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    题名: Using the floor control mechanism in distributed multimedia presentation system
    作者: Shih, Timothy K.;Deng, L.Y.;Liao, I-Chun;Huang, Chun-Hung;Chang, Rong-Chi
    贡献者: 淡江大學資訊工程學系
    日期: 2001-04-16
    上传时间: 2010-01-11 13:15:36 (UTC+8)
    出版者: N.Y.: IEEE (Institute of Electrical and Electronic Engineers)
    摘要: Establishing a Web-based distributed multimedia presentation system environment is technical challenge. In this paper, we describe how to present different multimedia objects indispensably on a Web presentation system with a floor control mechanism, to be used in a distance learning environment. The distributed approach is based on an extended timed Petri net model. Using the characterization of extended timed Petri nets, we express the temporal behavior of multimedia objects. Then we introduce the concepts of user interaction. The main goal of our system is to provide a feasible method to represent a schedule and navigate 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 a time schedule of multimedia objects, and we produce a synchronous set of multimedia objects with respect to the time duration. In particular, we consider the interactive facilities needed to support the distance learning requirements. We propose a floor control mechanism which provides four types of control (free access, equal control, group discussion and direct contact). These control mechanisms are sufficient for use in a distance learning environment
    關聯: International Conference on Distributed Computing Systems Workshop, 2001, Arizona, USA, pp.337-342
    DOI: 10.1109/CDCS.2001.918727
    显示于类别:[資訊工程學系暨研究所] 會議論文


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