在SAM中建模和分析SMIL文档

Fourth International Symposium on Multimedia Software Engineering, 2002. Proceedings. Pub Date : 2002-12-11 DOI:10.1109/MMSE.2002.1181605

Huiqun Yu, Xudong He, Shu Gao, Yi Deng

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引用次数: 15

摘要

复合多媒体对象在不同类型的组件媒体之间具有特定的定时关系。协调信息的实时表示和维护组件媒体之间的时间顺序关系对于满足服务质量(QoS)需求至关重要。本文提出了一种使用软件体系结构模型(SAM)对SMIL文档的时间方面进行建模和分析的形式化方法，该模型基于Petri网和时间逻辑相结合的双重形式化方法。利用Petri网对SMIL的同步要素进行了系统建模。使用时态逻辑公式指定SMIL文档的有用的QoS属性，并通过自动化工具进行验证。利用可达性树技术分析了SMIL文档表示的时间轴。

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Modeling and analyzing SMIL documents in SAM

A composite multimedia object has specific timing relationships among the different types of component media. Coordinating the real-time presentation of information and maintaining time-ordered relations among the component media is vital for satisfying quality of service (QoS) requirements. This paper proposes a formal approach to modeling and analyzing temporal aspects of SMIL documents using the Software Architecture Model (SAM), which is based on a dual formalism combining Petri nets and temporal logic. Synchronization elements of SMIL are systematically modeled by Petri nets. Useful QoS properties of SMIL documents are specified using temporal logic formulas and verified by automatic tools. Timelines of SMIL document presentation are analyzed using the reachability tree technique.

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Fourth International Symposium on Multimedia Software Engineering, 2002. Proceedings.

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