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We aim to develop an intelligent multimedia presentation system that supports the presence of multiple distributed multimedia objects, as well as human-computer interaction. We develop a temporal algebra system as multimedia synchronization model to unify media presentation time and interaction event. The synchronization models are generalized by composing point-interval temporal relations with qualitative and quantitative functions. We also construct an automatic reasoning framework in which to help user design presentation more easily. The presentation system generates SMIL (synchronized multimedia integration language) documents automatically after the author designing. SMIL is provided to describe multimedia presentation to be distributed over the Web. Users could search presentation document, media attribute, and semantics from presentation database.