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1、AScienti cMultimediaDatabaseSystemforPolymerScienceExperimentsT.Lee,T.Bozkaya,H-C.Kuo,G.OzsoyogluandZ.M.OzsoyogluDepartmentofComputerEngineeringandScienceCaseWesternReserveUniversityCleveland,OH44106ftlee,bozkaya,kuo,tekin,meralg@ces.cwru.eduAbstract
2、ThispaperdescribesSciMMDB,ascienti cmentatati
3、me;and,visualcomparisonsofdi erentvideomultimediadatabasesystemdesignedforPolymerSciencerecordingsforsimilarexperimentsaretediousandawk-experimentdataapplications.SciMMDBmaintainsmulti-ward.Ourresearchprojectproposestoautomatethispro-mediadataoftypevideo,textandpicture(aswellasothercessbyintroduci
4、ngamultimediadatabaseintotheen-standarddatatypes),andallowsusersto(1)formmulti-mediapresentationstreamsaboutexperiments,(2)de nevironment.Morespeci cally,weproposetodigitizeandapresentationwhichorganizesanumberofpresentationstoreselectedsegmentsofanalogvideothataregeneratedstreamsforplayoutpurpose
5、s,and(3)controltheplayoutofbydamagezoneexperimentsintoamultimediadatabase.apresentation.Toformvideo,textorpicturestreams,apresentationThiswillallowscientiststostreamconstructionlanguageisdescribed.Queriesinthis1.modelcontent-basedinformationaboutvideodatalanguageexpressspatialandtemporalrelationsh
6、ipsinvolv-directlyintothedatabaseusingamultimediadataingcontentobjects;and,ecientevaluationofsuchqueriesarefacilitatedbyindexingstructures.SciMMDBusesIB+treesmodel,automatetheexploratorydataanalysisphaseforqueriesinvolvingtemporalintervals.byallowingscientiststoposerandomandadhocInSciMMDB,present
7、ationstreamsareformedintoapre-queriesaboutvideodata,sentationusingthenotionofpresentationgraphs.During2.storeandmaintaintextualdatasuchasannotationstheplayoutofapresentation,eachpresentationstreaminthepresentationisplayedoutbyaseparatetransaction,aboutvideoaswellassequences(streams)ofpicturescalle
8、danoutputagent.Suchtransactionscommunicateandintothesamedatabase,synchronizewitheachotherusingthecooperativetransac-3.createpresentationsforconcurrentplayoutofvideo,tionmodel.textorpicturestreams.Inconsultationwi
