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This paper presents a new video advertising system, called AdOn, which supports intelligent overlay video ads. Unlike most current ad-networks such as Youtube that overlay the ads at fixed positions in the videos (e.g., on the bottom fifth of videos 15 seconds in), AdOn is able to automatically detect a set of spatio-temporal nonintrusive positions and(More)
As wireless network applications evolve, they require interaction between many entities (protocols, middleware etc), and an increasing requirement for the design of secure applications among the entities is trust management. Consequently, many new attacks against networks are aimed at the trust management. In this paper, we develop a new trust management(More)
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