| 异构环境下多媒体电子邮件用户代理的设计与实现 |
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| 引用本文： | 董轩明 徐光佑. 异构环境下多媒体电子邮件用户代理的设计与实现[J]. 计算机研究与发展, 1996, 33(1): 24-31 |
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| 作者姓名： | 董轩明 徐光佑 |
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| 作者单位： | 清华大学计算机系 |
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| 摘 要： | 用户代理的多媒体化是建立多媒体电子邮件系统的关键。本文对文本邮件系统分层模型进行了扩充，提出了在异构环境中以演示模式为基础的邮件转换方法，描述了一个能进行有效时空合成和同步操作的多媒体信息模型。最后，基于上述邮件转换方法和信息模型，我们给出了多媒体用户代理ＴＨ－ＵＡ的详细设计和实现方案。
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| 关 键 词： | 多媒体 电子邮件 信息模型 计算机网络 |
DESIGN AND IMPLEMENTATION OF A MULTIMEDIA USER AGENT IN HETEROGENEOUS ENVIRONMENTS |
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| Dong Xuanming and Xu Guangyou. DESIGN AND IMPLEMENTATION OF A MULTIMEDIA USER AGENT IN HETEROGENEOUS ENVIRONMENTS[J]. Journal of Computer Research and Development, 1996, 33(1): 24-31 |
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| Authors: | Dong Xuanming and Xu Guangyou |
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| Abstract: | The key to combining multimedia computation with electronic mailing system is to build a multimedia user agent. In this paper, we first extend the layer model based on X. 400 series to support multimedia message. Then we propose a method for message transformation based on presentation schema in heterogeneous environments and a multimedia information model that is concerned with temporal and spatial features of multimedia composition and synchronisation as well as interaction with the user. Finally, the overall design and implementation of a multimedia user agent TH-UA is described. |
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| Keywords: | Multimedia electronic mailing system multimedia information model computer network. |
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