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1、Agent-Based DialogueManagementDiscourse&DialogueCMSC35900-1November10,2006PossibleProjectsAlternatives:Implementationwithshortwrite-upAnalysiswithlongerwrite-up(max15p)Topics:UsetoolkittoimplementcomponentsofSLSImplement/ExtendapronounresolutionalgorithmIdentifyphenomenanotcoveredbytheory&extendE.
2、g.DialoguetypefunctionsinRSTZero-anaphorainpronounresolutionAnalysis:Comparereferencebehaviorinchats/IMtootherTurn-takinginCallHomevsSwitchboardRoadmapAgent-basedDialogueManagementDialoguebyTheoremProvingDialoguebyPlanningDialoguebyConversationalAgencyEvent-DrivenDialogueDialoguebyRationalInteract
3、ionAdvantagesandDisadvantagesAgent-BasedDialogueContrastswithState-andFrame-BasedStructurallyconstrainedSimplified,activitybasedsemanticsAgent-baseddialoguemanagementEmploysAIplanningorreasoningprocessesMorefulllinguisticinterpretationMorecomplexmodelofinteraction,beliefWidevarietyofmodels,reasoni
4、ngDialoguebyTheoremProvingExemplar:CircuitFix-it-Shop(Smith)Interactionbetweenstudentandexpert(S)DebuggingafaultinacircuitDynamicallydevelopssolutionBasedonstateanduserknowledgeTheoremproverdeterminestaskcompletionDialogueusedtoacquiremissingaxiomsTheoremProvinginDialogueExample:systemneedstoknowi
5、fthereisawireb/tconnectors84and99goal(c,learn,..(prop(84,99),exist,X),true)))“missing”axiomaboutwirepresentyes/noUselanguagetoaskuser,andasktoaddAnswers,thenasksforhelpAddsnewsubgoaltoteachuserIntegratesproblem-solving,theoremproving,anddialogueDialoguebyPlanningIntegrateutteranceswithplanactionsI
6、nterpretintentionbehindutt,howachievegoalUtterance=speechact,samestructureasplanopExample:ConvincebyInformConstraints:Agent(Spkr),Agent(Hear),Prop(prop),Bel(Spkr,prop)Preconditions:At(Spkr,Loc(hear))Effects:Bel(Hear,prop)Buyingticket,requiresagentusingCBItotellpriceDialoguebyPlanningIssues:Intenti
7、oninferenceerror-prone,cascadingPlanningAI&NP-completeingeneralcaseStrategies:DifferentiatedomainplansanddiscourseplansTrainroutingvsclarificationsubdialoguesLaterapproachesreviseConversationalAgencyMulti-agentpl
