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16 September 1996 HCPN: multimedia synchronization with user interaction and hypermedia
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The populace of multimedia hardware and software products in the 90s, and some recent investigation of formal models of synchronous multimedia systems, help researchers to understand better the fundamental difference between a comprehensive hypermedia system and a hypertext system. In this paper, a formal hypermedia model is proposed and discussed. The hypermedia composition Petri net (HCPN) model extends the current research on the formal specification of multimedia systems into the hypermedia framework. Apart from accommodating associative links which connects one piece of multimedia entity to another, the HCPN model supports spatial context and temporal coordination related to each hypermedia link, which is essential for a comprehensive hypermedia service. Furthermore, on-line reorganizing and rescheduling mechanisms are provided for dynamic coarse- grained and fine-grained hypermedia services. The HCPN is currently being implemented into a prototype system. The model development and its implementation are presented in this paper.
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Michael Junke Hu and K. S. Choo "HCPN: multimedia synchronization with user interaction and hypermedia", Proc. SPIE 2952, Digital Compression Technologies and Systems for Video Communications, (16 September 1996);

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