Maintaining knowledge about temporal intervals
Communications of the ACM
A formal approach for the presentation of interactive multimedia documents
MULTIMEDIA '00 Proceedings of the eighth ACM international conference on Multimedia
XTemplate 3.0: adding semantics to hypermedia compositions and providing document structure reuse
Proceedings of the 2010 ACM Symposium on Applied Computing
MediaDiver: viewing and annotating multi-view video
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Wireless Personal Communications: An International Journal
XTemplate 3.0: spatio-temporal semantics and structure reuse for hypermedia compositions
Multimedia Tools and Applications
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Due to significant improvements in networking, providing multimedia presentations has become a real commercial issue and a technical challenge for Web TV, e-learning, commercial presentations. Hyperlink in HTML has been designed for hyperdocuments navigation, but the actual use of hyperlinks lacks of relevant features to play continuous media such as videos. The main two issues in using hyperlink and multimedia in a web context are:(a) Navigation and continuity of streamed hypermedia. In a multimedia presentation, when switching from one point to another, if the continuity of streamed media is required, then a video should not stop.(b) Adaptability of the presentation in response to the user's reaction. In our approach, we consider spatial regions whose positions can change according to the user's wishes, as well as spatial regions that can appear in the presentation and preserve the continuity of streamed media.This paper addresses these two issues by considering an object oriented vision of a multimedia presentation structure. We propose a new XML based language for multimedia presentations, called ARM. In this multimedia document format, we introduce the notions of spatial and temporal inheritance, and of overloading. Spatial inheritance together with overloading allows to keep the same spatial structure between two or more documents, or to change this spatial shape in response to the user's activity. Additionally, the temporal inheritance allows the continuity of streamed media even in the case of multiple hyperlinks (i.e., hyperlinks with more than one target).