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1、計(jì)算機(jī)研究與發(fā)展ISSNi000—12391CN11—1777／TP!呈竺!呈!!竺!呈呈竺呈竺：墜!!!竺!!呈!呈!蘭!!呈呈竺!呈!!!!塵!!!!三!!!!：!!!!多Agent系統(tǒng)中信任和信譽(yù)系統(tǒng)研究綜述賀利堅(jiān)1’2黃厚寬1張偉2一(北京交通大學(xué)計(jì)算機(jī)與信息技術(shù)學(xué)院北京100044)2(煙臺(tái)大學(xué)計(jì)算機(jī)學(xué)院智能信息處理實(shí)驗(yàn)室山東煙臺(tái)264005)(sxhelijian@163．com)ASurveyofTrustandReputationSystemsinMulti—AgentSystemsHeLijianl”，HuangHoukuanl，andZhangW
2、ei21(SchoolofComputerandInformationTechnology，Beijing]iaotongUniversity，Beijing100044)2(LaboratoryofIntelligentInformationProcessing，SchoolofComputerScience，YantaiUniversity，Yantai，Shandong264005)AbstractItisofgreatimportancetointroducetrustwhensolvingthecollaborationandinteractionprob
3、leminmulti-agentsystem(MAS)environmentbecauselikethehumansociety，thereareSOmanyindeterminatefactorsintheMASenvironment．Generallyspeaking，trustderivesfromdirecttrustandreputation，andthereputationsystemisthemechanismtosupporttrustevaluation．Thereputationsystemcanbestudiedatbothindividual
4、andsystemlevel，andmoreattentionshouldbepaidtotheformer．Whethercognitiveviewornumericalviewisusedtorepresenttrust，thetrustvalueevaluatedbythereputationsystemshouldbeaccurate，adaptive，andsoon．Thereputationsystemcanadoptconcentrated，distributedOrmixturearchitecturesandtheyalldemandthewayt
5、orepresent，propagateandaggregatethetrustinformation．Uptonow，theReGreTandFIREarebothsuccessfulamongthedistributedarchitecture．Asahot，basicissueinthereputationsysterh，inaccuracyinformationproblemisapressingtopic，whichrequirestobeexploredfurther．Anotherlimitationisthatnoreputationmodeltes
6、tplatformreceivespublicrecognition，eventhoughtheAgentReputationandTrust(ART)TestbedProjecthasgainedpreliminaryachievements．Basedontheaboveintroductionandreview．itisproposedthatmoreworkshouldbedonetoconstructanewmodelandmechanism，improvetheexistingmodels，anddevelopanewtestplatform．Keywo
7、rdsmulti—agentsystem；trust；reputation；reputationsystem；researchscope；architecture；inaccurateinformation；testbed摘妻MAS環(huán)境同人類社會(huì)類似，充斥著大量不確定因素，因此，在MAS環(huán)境中引入信任來(lái)解決合作與交互問(wèn)題具有重要意義．信任通常來(lái)源于直接信任和信譽(yù)兩種途徑，信譽(yù)系統(tǒng)是用于支持信任評(píng)價(jià)的機(jī)制．信譽(yù)系統(tǒng)的研究范圍分為個(gè)體層和系統(tǒng)層兩個(gè)層次，信譽(yù)系統(tǒng)的研究工作更關(guān)注個(gè)體層，信任的評(píng)價(jià)要符合準(zhǔn)確性等特點(diǎn)．信譽(yù)系統(tǒng)中信任的表示一般采用基于認(rèn)知現(xiàn)點(diǎn)和數(shù)值觀點(diǎn)的
