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云计算与基于位置的服务.pdf

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CloudComputingandMobileServiceXingXieMicrosoftResearchAsiaJul.242010UbiquitousComputing(1988)MarkWeiser(directorcomputersciencelabXeroxPARC)Ubiquitouscomputingnamesthethirdwaveincomputingjustnowbeginning.Firstweremainframeseachsharedbylotsofpeople.Nowweareinthepersonalcomputingerapersonandmachinestaringuneasilyateachotheracrossthedesktop.Nextcomesubiquitouscomputingortheageofcalmtechnologywhentechnologyrecedesintothebackgroundofourlives.UbiCompprinciplesThepurposeofacomputeristohelpyoudosomethingelseThebestcomputerisaquietinvisibleservantThemoreyoucandobyintuitionthesmarteryouare;thecomputershouldextendyourunconsciousTechnologyshouldcreatecalmUbiCompConferencesandJournalsHCIACMCHI(1982)UIST(1988)MobileHCI(1998)NetworkingACMMobiCom(1995)IEEEPerCom(2003)SystemandApplicationWMCSA(1994)->Hotmobile(2008)HUC(1999)->UbiComp(2001)Pervasive(2002)ACMMobiSys(2003)ACMSIGSPATIAL(1993)JournalsIEEEPersonalCommunications(1994)IEEEPervasiveComputing(2001)IEEEWirelessCommunications(2001)IEEETransactionsonMobileComputing(2002)PersonalandUbiquitousComputing(Springer1997)UbiComp2011willbeheldinBeijing!SIGCHI+SIGMOBILE+SIGSPATIALJointlyorganizedbyMSRAsiaandTsinghuaUniversityContextAwarenessAkeyconceptinUbiComp:dealwithlinkingchangesintheenvironment(physicalworld)withcomputingsystemsAcquisitionofcontextAbstractionandunderstandingofcontextApplicationbehaviorbasedontherecognizedcontextBuildintelligenceaboutphysicalworldincomputingsystemsComputingsystemsEnvironmentUs