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Multiple Granularity Access to Navigated Hypermedia Documents Using Temporal Meta-information
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Multiple Granularity Access to Navigated Hypermedia Documents Using Temporal Meta-information
Wei-Ta Chu6 and Herng-Yow Chen6 
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Department of Computer Science and Information Engineering, National Chi Nan University, Puli, 545 Nantou, Taiwan, R.O.C. |
Abstract
Various multimedia document systems that capture, integrate, and synchronously present media have been implemented in many
areas. As data volume grows and the diversity of new medium increases, how to efficiently locate the segments of interest
is an important issue. To address this problem, this paper presents a framework that facilitates multiple levels of access
to navigated hypermedia documents in three different granularities: HTML slide level, navigation event level, and sentence
level. In contrast to traditional approaches, hierarchical access structure of navigated hypermedia documents can be exploited
by analyzing temporal meta-information captured in the recording stage or computed in the speech-text alignment process. The
proposed framework has been applied in the developed “Web-based Synchronized Multimedia Lecture System” for efficient content
access.
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