资源描述：
《a survey of trust in coputer scienceand semantic web》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、ToappearinJournalofWebSemantics:Science,ServicesandAgentsontheWorldWideWeb,2007.ASurveyofTrustinComputerScienceandtheSemanticWebDonovanArtzandYolandaGilInformationSciencesInstituteUniversityofSouthernCalifornia4676AdmiraltyWay,MarinadelReyCA90292+1310-822-1511gil@isi.eduMarch
2、15,2007AbstractTrustisanintegralcomponentinmanykindsofhumaninteraction,allowingpeopletoactunderuncertaintyandwiththeriskofnegativeconsequences.Forexample,exchangingmoneyforaservice,givingaccesstoyourproperty,andchoosingbetweenconflictingsourcesofinformationallmayutilizesomefo
3、rmoftrust.Incomputerscience,trustisawidely-usedtermwhosedefinitiondiffersamongresearchersandapplicationareas.TrustisanessentialcomponentofthevisionfortheSemanticWeb,wherebothnewproblemsandnewapplicationsoftrustarebeingstudied.Thispapergivesanoverviewofexistingtrustresearchinc
4、omputerscienceandtheSemanticWeb.Keywords:Trust,WebofTrust,Policies,Reputation1IntroductionTrustisacentralcomponentoftheSemanticWebvision(Berners-Lee1999;Berners-Leeetal2001;Berners-Leeetal2006).TheSemanticWebstack(Berners-Lee2000;Berners-Leeetal2006)hasincludedallalongatrustl
5、ayertoassimilatetheontology,rules,logic,andprooflayers.Trustoftenreferstomechanismstoverifythatthesourceofinformationisreallywhothesourceclaimstobe.Signaturesandencryptionmechanismsshouldallowanyconsumerofinformationtocheckthesourcesofthatinformation.Inaddition,proofsshouldpr
6、ovideatractablewaytoverifythataclaimisvalid.Inthissense,anyinformationprovidershouldbeabletosupplyuponrequestaproofthatcanbeeasilycheckedthatcertifiestheoriginsoftheinformation,ratherthanexpectconsumerstohavetogeneratethoseproofsthemselvesthroughacomputationallyexpensiveproce
7、ss.Thewebmotto“Anyonecansayanythingaboutanything”makesthewebauniquesourceofinformation,butweneedtobeabletounderstandwhereweareplacingourtrust.TrusthasanotherimportantroleintheSemanticWeb,asagentsandautomatedreasonersneedtomaketrustjudgementswhenalternativesourcesofinformation
8、areavailable.Computerswillhavethechallengetomakejudgementsinlightoft
