Empowering Educators in Visual Learning: Information Extraction and Visualization for Automatic Generation of Multimedia Presentations
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This paper introuces a combined information extraction and visualization system named ViZiPEN, for generating multimedia presentations automatically. The system generates multimedia presentations such as graphical animations from a presentation template database by replacing embedded multimedia objects and their properties as desired by its users. A multimedia information extraction agent automatically populates the database with content objects such as images, audio clips, video clips, graphic objects and other animations by means of a novel approach named "concept expansion". A domain knowledge base provides the base queries for automatic search initiation. We employ both content and context analysis to index multimedia elements found in large collections such as the World Wide Web.