Automating the assembly of presentations from multimedia databases

Proceedings of the Twelfth International Conference on Data Engineering Pub Date : 1996-02-26 DOI:10.1109/ICDE.1996.492210

G. Özsoyoglu, Veli Hakkoymaz, J. Kraft

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引用次数: 35

Abstract

A multimedia presentation refers to the presentation of multimedia data using output devices such as monitors for text and video, and speakers for audio. Each presentation consists of multimedia segments which are obtained from a multimedia data model. In this paper, we propose to express the semantic coherency of a multimedia presentation in terms of presentation inclusion and exclusion constraints that are incorporated into the multimedia data model. Thus, when a user specifies a set of segments for a presentation, the DBMS adds segments into and/or deletes segments from the set in order to satisfy the inclusion and exclusion constraints. To automate the assembly of a presentation with concurrent presentation streams, we also propose presentation organization constraints that are incorporated into the multimedia data model, independent of any presentation. We give two algorithms for automated presentation assembly and discuss their complexity. We discuss the satisfiability of inclusion and exclusion constraints when negation is allowed, and we briefly describe a prototype system that is being developed for automated presentation assembly.

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自动组装来自多媒体数据库的演示文稿

多媒体表示是指使用输出设备(如用于文本和视频的监视器和用于音频的扬声器)来表示多媒体数据。每个表示由多媒体段组成，这些多媒体段是从多媒体数据模型中获得的。在本文中，我们建议用包含和排除约束来表达多媒体表示的语义一致性，这些约束被整合到多媒体数据模型中。因此，当用户为表示指定一组段时，DBMS会向其中添加段和/或从中删除段，以满足包含和排除约束。为了使用并发表示流自动组装表示，我们还建议将表示组织约束合并到多媒体数据模型中，独立于任何表示。给出了两种自动表示组装算法，并讨论了它们的复杂度。我们讨论了允许否定时包容和排除约束的可满足性，并简要描述了正在开发的用于自动表示组装的原型系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the Twelfth International Conference on Data Engineering

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