普适环境下协同感知若干问题的研究

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1、浙江大学计算机科学与技术学院博士学位论文普适环境下协同感知若干问题的研究姓名：姜波申请学位级别：博士专业：计算机软件与理论指导教师：陈纯20071001浙江大学博L学位论文摘要最后，针对普适环境下协同编辑意图感知困难及分布式认知中合适的表征形式有助于减少认知难度的特点，提出了基于图形、图像等多编辑实体对象的语义感知模型、语义维持方法、语义冲突检测与解决算法，提供了更高层次感知支撑技术。关键词CSCW，协同编辑，协同感知，普适计算，认知，一致性维持，关注区预测，网络延时，语义感知浙江太学博t‘学i苁论文AbstractComputersupportedcolla

2、borativeeditingsystemsallowagroupofuserstoviewandeditthesametext／graphicAmage／multimediadocumentsimultaneouslyfromgeographicallydistributedsitesconnectedbynetworks。Theyhavemanyapplicationssuchascollaborativeauthorizing,collaborativeproductdesigningcollaborativepatterndesigning,video

3、netmeetingandetc．Collaborativeawareness,asanimportanttechnologyforcollaborativeediting,willpromotethecollaborativecapabilitiesandenhancetheefficiencyofgroupwork．Withthedevelopmentofmobilecomputingandembeddedcomputing,ubiquitouscomputingmakesitpossibleforgrouptocreatetheflexibleandha

4、rmoniouscollaborativeworkingenvironment。However,inubiquitousenvironmentthenetworkconnectionandtransmission燃unstableandtheresourcesofcomputingdevicesarequitediffcrenLwhichbringsgreatchallengestotheresearchofcollaborativeawareness．Therefore,itisimportanttoresearchtherelatedtechniques．

5、TheinvestigationiScombinedwithkeyissuesintheresearchprojectof"Researchonbasicproblemsofcollaborativeeditinginubiquitouseovironment"and‘‘ResearchonkeytechnologiesintheInternct-basedcollaborativepatternCAD／CAMsystem"．Basedonthoriesofcognitionpsychology,weresearchoricollaborativeawaren

6、essbasedonthecharacteristicsofcognition．Relatedmodels，methodsandalgorithmsaleproposedandrealizedinourprototypesystem。Mainresearchworkisasfollows：First，weanalyzecurrentresearchtopicsandkeyproblemsofcollaborativeawareness,s,themaincharacteristicsofcollaborativeawarenessinubiquitousenv

7、ironmentandchallengescollaborativeawarenessmeat。Wepresent0111"researchissuesbasedonthecharacteristicofcognition．Second，weanalyzethedifferenc：eoftherc$ourogsofcollaborativesitesandthelimitationofcognitionresources．WepresenttheunsymmetricalawarenSSmappingmodel，mechanismandrelatedalgof

8、itkmformaintainingt