01764nas a2200217   4500008004100000245007900041210006900120260000900189300001400198490000600212520102200218653002601240653002501266653004101291653003001332100001401362700002301376700001501399700001501414856011701429       2006                        eng d00aProviding support for interaction with consistent multimedia presentations0 aProviding support for interaction with consistent multimedia pre  c2006  a124 - 1300 v43 aMultimedia presentations are generally specified in terms of spatial and temporal relations between the media objects involved. Creation of these presentations, and interactions with them during their play-out, require an effective mechanism for handling the specifications dynamically. These specifications could result in inconsistencies, which need to be checked and resolved. Moreover, consistent presentations could become inconsistent due to interactions during the playout. Our main contribution is the design of an algorithm which aids in resolving these consistency issues dynamically and efficiently. The other salient features of our approach are a new composite spatio-temporal operator and an effective relaxation policy. We have developed a prototype which helps to study the effectiveness of the proposed approach. Thus, this paper presents an interactive multimedia presentation mechanism, which maintains a consistent and complete set of constraints during authoring and play-out of the presentation.10aCompleteness checking10aConsistency checking10aDistributed multimedia presentations10aSpatio-temporal relations1 aElias, S.1 aEaswarakumar, K.S.1 aMathew, L.1 aChbeir, R.  uhttp://www.scopus.com/inward/record.url?eid=2-s2.0-44649102725&partnerID=40&md5=6d8bb6f8d9dff4f2b87372209551154a