多Agent系统中信任和信誉系统研究综述.pdf

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1、计算机研究与发展ISSNi000—12391CN11—1777／TP!呈竺!呈!!竺!呈呈竺呈竺：坠!!!竺!!呈!呈!兰!!呈呈竺!呈!!!!尘!!!!三!!!!：!!!!多Agent系统中信任和信誉系统研究综述贺利坚1’2黄厚宽1张伟2一(北京交通大学计算机与信息技术学院北京100044)2(烟台大学计算机学院智能信息处理实验室山东烟台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环境同人类社会类似，充斥着大量不确定因素，因此，在MAS环境中引入信任来解决合作与交互问题具有重要意义．信任通常来源于直接信任和信誉两种途径，信誉系统是用于支持信任评价的机制．信誉系统的研究范围分为个体层和系统层两个层次，信誉系统的研究工作更关注个体层，信任的评价要符合准确性等特点．信誉系统中信任的表示一般采用基于认知现点和数值观点的