Personalized News Video Recommendation Via Interactive Exploration

Authors:
Jianping Fan;Hangzai Luo;Aoying Zhou;Daniel A. Keim
Affiliations:
Dept. of Computer Science, UNC, Charlotte, USA;Shanghai Key Lab of Trustworthy Computing, East China Normal University, Shanghai, China;Shanghai Key Lab of Trustworthy Computing, East China Normal University, Shanghai, China;Institute of Computer Science, University of Konstanz, Konstamz, Germany
Venue:
ISVC '08 Proceedings of the 4th International Symposium on Advances in Visual Computing, Part II
Year:
2008

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Abstract

In this paper, we have developed an interactive approach to enable personalized news video recommendation. First, multi-modal information channels (audio, video and closed captions) are seamlessly integrated and synchronized to achieve more reliable news topic detection, and the contextual relationships between the news topics are extracted automatically. Second, topic network and hyperbolic visualization are seamlessly integrated to achieve interactive navigation and exploration of large-scale collections of news videos at the topic level, so that users can have a good global overview of large-scale collections of news videos at the first glance. In such interactive topic network navigation and exploration process, the user's personal background knowledge can be taken into consideration for obtaining the news topics of interest interactively, building up their mental models of news needs precisely and formulating their searches easily by selecting the visible news topics on the screen directly. Our system can further recommend the relevant web news, the new search directions, and the most relevant news videos according to their importance and representativeness scores. Our experiments on large-scale collections of news videos have provided very positive results.