Dissertations / Theses on the topic 'Conversation Agent'
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Ishii, Ryo. "Designing Conversational Interfaces for Facilitating Conversation using User's Gaze Behaviors." 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/180472.
Full textau, os goh@murdoch edu, and Ong Sing Goh. "A framework and evaluation of conversation agents." Murdoch University, 2008. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20081020.134601.
Full textBowden, MaryZoe. "Teaching as a Moral Act: Simone Weil's Liminality as an Addition to the Moral Conversation in Education." Doctoral diss., University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3592.
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Other
Education
Education EdD
Jääskeläinen, Petra Pauliina. "Conversation Analysis as a Design Research Method for Designing Socioculturally Contextual Conversational Agents." Thesis, Uppsala universitet, Människa-datorinteraktion, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-414120.
Full textVELMOVITSKY, PEDRO ELKIND. "IBOT: AN AGENT-BASED SOFTWARE FRAMEWORK FOR CREATING DOMAIN CONVERSATIONAL AGENTS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2018. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35430@1.
Full textCOORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE EXCELENCIA ACADEMICA
Chatbots são programas de computador que interagem com usuários utilizando linguagem natural. Desde sua origem, a tecnologia avançou significantemente e aplicações baseadas na nuvem de grandes empresas permitiram que desenvolvedores criassem chatbots inteligentes e eficientes. No entanto, não há muitas abordagens de desenvolvimento aos principais módulos de um chatbot que são flexíveis o suficiente para permitir a criação de chatbots diferentes para cada domínio, mantendo um robusto controle de diálogo na aplicação. Existem trabalhos que tentam desenvolver uma abordagem mais flexível, cada um com suas vantagens e desvantagens. Uma das vantagens mais notáveis é o uso de sistemas multiagentes para distribuir e realizar tarefas feitas por chatbots. Nesse contexto, este trabalho propõe um framework geral e flexível baseado em sistemas multiagentes para construir chatbots em um domínio escolhido pelo desenvolvedor, com controle de diálogo na aplicação. Esta solução usa uma adaptação da abordagem de estado da informação, e agentes de software, para gestão do diálogo. Para validar a arquitetura proposta, um cenário de uso com 4 chatbots de prova de conceito são analisados e discutidos.
Chatbots are computer programs that interact with users using natural language. Since its inception, the technology has advanced greatly and cloud-based platforms from big companies allow developers to create intelligent and efficient chatbots. However, there are not many development approaches to the main modules of a chatbot that are flexible enough to allow the creation of different chatbots for each domain, while maintaining a robust dialogue control in the application. There have been some works that try to develop a more flexible approach, each of them with their own advantages and disadvantages. One of the most notable advantages is the use of multi-agent systems to distribute and perform the tasks performed by the chatbot. In this context, this work proposes a general and flexible architecture based on multi-agent systems for building chatbots in any domain chosen by the developer, with dialogue control in the application. This architecture uses an adaptation of the information state approach, also using software agents, to perform dialogue management. To validate the proposed architecture, an user scenario involving the implementation of 4 proof of concept chatbots is analyzed discussed.
Lee, John Ray. "Conversations with an intelligent agent-- modeling and integrating patterns in communications among humans and agents." Diss., University of Iowa, 2006. http://ir.uiowa.edu/etd/61.
Full textHijjawi, Moh'd Hatim Husni. "ArabChat : an Arabic conversational agent." Thesis, Manchester Metropolitan University, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.547403.
Full textLy, Eric Thich Vi. "Chatter--a conversational telephone agent." Thesis, Massachusetts Institute of Technology, 1993. http://hdl.handle.net/1721.1/29067.
Full textRystedt, Beata, and Mia Zdybek. "Conversational agent as kitchen assistant." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230904.
Full textKonversationsrobotar med talgränssnitt används i allt större och större utsträckning men det finns fortfarande många områden som inte är helt utforskade. Idén till det här arbetet föddes ur uppfattningen att det existerar ett behov av en hjälpreda till köket som kan söka recept, svara på frågor kring receptet och vägleda och hjälpa användaren genom hela matlagningsprocessen i muntligt form eftersom händerna är upptagna med annat. Det här arbetet börjar med en introduktion i ämnet kring konversationsrobotar och tekniken bakom, sedan presenteras liknande arbeten och metoder som redan existerar inom området. Sedan följer en djupdykning i hur det framtagna programmet i detta arbete utvecklats fram till en fungerande matlagningsassisten. Till slut presenteras och diskuteras upplevelsen och användbarheten av konversationsroboten hos människor baserat på tester som gjorts. Det visar sig att konversationsrobotar mycket väl kan vara av användning i köket, och enligt flera källor kommer de att inom en snar framtid lavinartat implementeras i alla möjliga områden och förändra tekniken i vårt samhälle.
Chaabi, Youness. "Apport des Systèmes Multi-Agent et de la logique floue pour l'assistance au tuteur dans une communauté d'apprentissage en ligne." Thesis, Belfort-Montbéliard, 2016. http://www.theses.fr/2016BELF0293/document.
Full textThe growing importance of online training has put emphasis on the role of remote tutoring. A whole new area of research, dedicated to environment for human learning (EHL), is emerging. We are concerned with this field. More specifically, we will focus on the monitoring of learners.The instrumentation and observation of learners activities by exploiting interaction traces in the EHL and the development of indicators can help tutors to monitor activities of learners and support them in their collaborative learning process. Indeed, in a learning situation, the teacher needs to observe the behavior of learners in order to build an idea about their involvement, preferences and learning styles so that he can adapt the proposed activities. As part of the automatic analysis of collaborative learner¿s activities, we describe a multi agent approach for supporting learning activities in a Virtual Learning Environment context. In order to assist teachers who monitor learning processes, viewed as a specific type of collaboration, the proposed system estimates a behavioral (sociological) profile for each student. This estimation is based on automatic analysis of students textual asynchronous conversations. The determined profiles are proposed to the teacher and may provide assistance toteacher during tutoring tasks. The system was experimented with students of the master "software quality" of the Ibn Tofail University. The results obtained show that the proposed approach is effective and gives satisfactory results
O'Shea, Karen Suzanne. "A semantic-based conversational agent framework." Thesis, University of Oxford, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.543751.
Full textBachmann, Lea. "A provocation around the ethics in human-conversational agent relationships : A contribution to an ethically responsible future between humans and conversational agents." Thesis, Umeå universitet, Designhögskolan vid Umeå universitet, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-183959.
Full textGoh, Ong Sing. "A framework and evaluation of conversation agents." Goh, Ong Sing (2008) A framework and evaluation of conversation agents. PhD thesis, Murdoch University, 2008. http://researchrepository.murdoch.edu.au/752/.
Full textVenter, Wessel Johannes. "An embodied conversational agent with autistic behaviour." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20115.
Full textENGLISH ABSTRACT: In this thesis we describe the creation of an embodied conversational agent which exhibits the behavioural traits of a child who has Asperger Syndrome. The agent is rule-based, rather than arti cially intelligent, for which we give justi cation. We then describe the design and implementation of the agent, and pay particular attention to the interaction between emotion, personality and social context. A 3D demonstration program shows the typical output to conform to Asperger-like answers, with corresponding emotional responses.
AFRIKAANSE OPSOMMING: In hierdie tesis beskryf ons die ontwerp en implementasie van 'n gestaltegespreksagent wat die gedrag van 'n kind met Asperger se sindroom uitbeeld. Ons regverdig die besluit dat die agent reël-gebaseerd is, eerder as 'n ware skynintelligensie implementasie. Volgende beskryf ons die wisselwerking tussen emosies, persoonlikheid en sosiale konteks en hoe dit inskakel by die ontwerp en implementasie van die agent. 'n 3D demonstrasieprogram toon tipiese ooreenstemmende Asperger-agtige antwoorde op vrae, met gepaardgaande emosionele reaksies.
Alobaidi, Omar. "Arabic conversational agent for modern Islamic education." Thesis, Manchester Metropolitan University, 2015. http://e-space.mmu.ac.uk/309/.
Full textWang, Austin J. (Austin Jesse) 1980. "Collaborative storytelling with an embodied conversational agent." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/16976.
Full textLeaves not numbered.
Includes bibliographical references (leaves [60]-[64]).
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
When children tell stories to their peers, they naturally collaborate with each other: coauthoring stories, corroborating when in doubt, and acting as active listeners. Their reliance on each other during, as well as the creative process itself, benefits their literacy development. If an interactive system were to engage a child in collaborative narrative, it would be able to exert greater influence over the child's language processes, without becoming overly intrusive as to obstruct his/her natural behaviors. However, due to the spontaneous nature of improvisational play, the problem becomes a challenging one from both a technical, and a behavioral standpoint. This thesis studies children's collaborative behaviors during storytelling and presents a model of the participants' roles, and how to initiate and participate in collaboration with appropriate speech acts and turn-taking cues. Furthermore, it demonstrates how technologies such as speech recognition, natural language processing with commonsense reasoning, multimodal interfaces, and floor management are critical to realizing a real-time collaborative interaction between children and an embodied conversational agent.
bu Austin J. Wang.
M.Eng.
Hunt, Janey. "Conversations : the socially engaged artist as environmental change agent." Thesis, University of Plymouth, 2011. http://hdl.handle.net/10026.1/817.
Full textXiao, He. "An affective personality for an embodied conversational agent." Curtin University of Technology, Department of Computer Engineering, 2006. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=16139.
Full textXiao, He. "An affective personality for an embodied conversational agent /." Full text available, 2007. http://adt.curtin.edu.au/theses/available/adt-WCU20080417.145203.
Full textGuichard, Jonathan. "Quality Assessment of Conversational Agents : Assessing the Robustness of Conversational Agents to Errors and Lexical Variability." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-226552.
Full textAtt bedöma en konversationsagents språkförståelse är kritiskt, eftersom dåliga användarinteraktioner kan avgöra om agenten blir en framgång eller ett misslyckande redan i början av livscykeln. I denna rapport undersöker vi användningen av parafraser som ett testverktyg för dessa konversationsagenter. Parafraser, vilka är olika sätt att uttrycka samma avsikt, skapas baserat på känd indata genom att utföra lexiska substitutioner och genom att introducera flera stavningsavvikelser. Eftersom det förväntade resultatet för denna indata är känd kan vi använda resultaten för att bedöma agentens robusthet mot språkvariation och upptäcka potentiella förståelssvagheter. Som framgår av en fallstudie får vi uppmuntrande resultat, eftersom detta tillvägagångssätt verkar kunna bidra till att förutse eventuella brister i förståelsen, och dessa brister kan hanteras av de genererade parafraserna.
Xiao, Jun. "Empirical Studies on Embodied Conversational Agents." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14080.
Full textSmith, Cameron G. "Cognitive aspects of embodied conversational agents." Thesis, Teesside University, 2013. http://hdl.handle.net/10149/301618.
Full textChang, Joey 1975. "Action scheduling in humanoid conversational agents." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/31079.
Full textIncludes bibliographical references (leaf 40).
This paper presents an approach to action scheduling in lifelike humanoid agents. The action scheduler constitutes a module in the agent which links the mental processes to the physical actions of the agent. It receives requests from the agent's behavior generating modules and schedules them to be executed at the appropriate time, handling such tasks as speech-to-action synchronization, concurrent and overlapping behavior blending, and behavior conflict resolution. The optimal approach to action scheduling will vary from system to system, depending upon the characteristics of the system, since the ultimate action scheduler would accommodate a fully functional human representation-a goal which is out of the scope of research today. This paper presents an action scheduler for a real-time three-dimensional multi-modal humanoid agent.
by Joey Chang.
S.B.and M.Eng.
Kumar, Sanjeev. "A formal semantics of teamwork and multi-agent conversations as the basis of a language for programming teams of autonomous agents /." Full text open access at:, 2006. http://content.ohsu.edu/u?/etd,17.
Full textNakano, Yukiko I. 1963. "Non-verbal signals for grounding in embodied conversational agent." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/62369.
Full textIncludes bibliographical references (leaves 79-82).
In face-to-face conversation, speakers present non-verbal signals collateral with verbal information. Nodding and gazing at a speaker are known to provide positive feedback from listeners, which contributes to establishing common ground (a process called grounding). However, previous theories and computational models of grounding were mainly concerned with verbal grounding acts, and there have not been enough discussion about how nonverbal behaviors are used in the process of grounding. This thesis first compares face-to-face conversation to conversation without co-presence, revealing how nonverbal behaviors are used in the process of grounding in human communication. Results of the analysis show that, in face-to-face communication, non-verbal behaviors are changing during an utterance and a typical transition pattern of non-verbal behaviors is also different depending on the type of verbal act. Then, the implementation of grounding functionality onto an Embodied Conversational Agent is presented. The dialogue state updating mechanism in the Dialogue Manager accesses non-verbal information conveyed by a user and judges the groundedness of presented materials based on the results of empirical study.
by Yukiko I. Nakano.
S.M.
Panesar, Kulvinder. "Functional linguistic based motivations for a conversational software agent." Cambridge Scholars Publishing, 2019. http://hdl.handle.net/10454/18134.
Full textThis chapter discusses a linguistically orientated model of a conversational software agent (CSA) (Panesar 2017) framework sensitive to natural language processing (NLP) concepts and the levels of adequacy of a functional linguistic theory (LT). We discuss the relationship between NLP and knowledge representation (KR), and connect this with the goals of a linguistic theory (Van Valin and LaPolla 1997), in particular Role and Reference Grammar (RRG) (Van Valin Jr 2005). We debate the advantages of RRG and consider its fitness and computational adequacy. We present a design of a computational model of the linking algorithm that utilises a speech act construction as a grammatical object (Nolan 2014a, Nolan 2014b) and the sub-model of belief, desire and intentions (BDI) (Rao and Georgeff 1995). This model has been successfully implemented in software, using the resource description framework (RDF), and we highlight some implementation issues that arose at the interface between language and knowledge representation (Panesar 2017).
The full-text of this article will be released for public view at the end of the publisher embargo on 27 Sep 2024.
Elvir, Miguel. "EPISODIC MEMORY MODEL FOR EMBODIED CONVERSATIONAL AGENTS." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3000.
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School of Electrical Engineering and Computer Science
Engineering and Computer Science
Computer Engineering MSCpE
Nooraei, Beidokht Bahador. "A Real-Time Architecture for Conversational Agents." Digital WPI, 2012. https://digitalcommons.wpi.edu/etd-theses/972.
Full textMoyo, Sharon G. "Effective tutoring with empathic embodied conversational agents." Thesis, Open University, 2014. http://oro.open.ac.uk/40803/.
Full textOsathanunkul, Khukrit. "Semantic similarity framework for Thai conversational agents." Thesis, Manchester Metropolitan University, 2014. http://e-space.mmu.ac.uk/336070/.
Full textOkamoto, Masayuki. "Design and applications of learning conversational agents." 京都大学 (Kyoto University), 2003. http://hdl.handle.net/2433/148780.
Full textCanducci, Marco. "End-to-End Goal-Oriented Conversational Agent for Risk Awareness." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20381/.
Full textPanesar, Kulvinder. "An Evaluation of a Linguistically Motivated Conversational Software Agent Framework." UNIVERSITAT POLITÈCNICA DE VALÈNCIA, 2019. http://hdl.handle.net/10454/18122.
Full textThis paper presents a critical evaluation framework for a linguistically motivated conversational software agent (CSA). The CSA prototype investigates the integration, intersection and interface of the language, knowledge, and speech act constructions (SAC) based on a grammatical object, and the sub-model of belief, desires and intention (BDI) and dialogue management (DM) for natural language processing (NLP). A long-standing issue within NLP CSA systems is refining the accuracy of interpretation to provide realistic dialogue to support human-to-computer communication. This prototype constitutes three phase models: (1) a linguistic model based on a functional linguistic theory – Role and Reference Grammar (RRG), (2) an Agent Cognitive Model with two inner models: (a) a knowledge representation model, (b) a planning model underpinned by BDI concepts, intentionality and rational interaction, and (3) a dialogue model. The evaluation strategy for this Java-based prototype is multi-approach driven by grammatical testing (English language utterances), software engineering and agent practice. A set of evaluation criteria are grouped per phase model, and the testing framework aims to test the interface, intersection and integration of all phase models. The empirical evaluations demonstrate that the CSA is a proof-of-concept, demonstrating RRG’s fitness for purpose for describing, and explaining phenomena, language processing and knowledge, and computational adequacy. Contrastingly, evaluations identify the complexity of lower level computational mappings of NL – agent to ontology with semantic gaps, and further addressed by a lexical bridging solution.
Panesar, Kulvinder. "Motivating a linguistically orientated model for a conversational software agent." FungramKB.com, 2018. http://hdl.handle.net/10454/18135.
Full textThis paper presents a critical evaluation framework for a linguistically orientated conversational software agent (CSA) (Panesar, 2017). The CSA prototype investigates the integration, intersection and interface of the language, knowledge, and speech act constructions (SAC) based on a grammatical object (Nolan, 2014), and the sub-‐model of belief, desires and intention (BDI) (Rao and Georgeff, 1995) and dialogue management (DM) for natural language processing (NLP). A long-‐standing issue within NLP CSA systems is refining the accuracy of interpretation to provide realistic dialogue to support the human-‐to-‐computer communication. This prototype constitutes three phase models: (1) a linguistic model based on a functional linguistic theory – Role and Reference Grammar (RRG) (Van Valin Jr, 2005); (2) Agent Cognitive Model with two inner models: (a) knowledge representation model employing conceptual graphs serialised to Resource Description Framework (RDF); (b) a planning model underpinned by BDI concepts (Wooldridge, 2013) and intentionality (Searle, 1983) and rational interaction (Cohen and Levesque, 1990); and (3) a dialogue model employing common ground (Stalnaker, 2002). The evaluation approach for this Java-‐based prototype and its phase models is a multi-‐approach driven by grammatical testing (English language utterances), software engineering and agent practice. A set of evaluation criteria are grouped per phase model, and the testing framework aims to test the interface, intersection and integration of all phase models and their inner models. This multi-‐approach encompasses checking performance both at internal processing, stages per model and post-‐implementation assessments of the goals of RRG, and RRG based specifics tests. The empirical evaluations demonstrate that the CSA is a proof-‐of-‐concept, demonstrating RRG’s fitness for purpose for describing, and explaining phenomena, language processing and knowledge, and computational adequacy. Contrastingly, evaluations identify the complexity of lower level computational mappings of NL – agent to ontology with semantic gaps, and further addressed by a lexical bridging consideration (Panesar, 2017).
Leonhardt, Michelle Denise. "Enhancing affective communication in embodied conversational agents through personality-based hidden conversational goals." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/49756.
Full textBerger, Alexandra. "La communication entre agents de communautés mixtes : un langage de conversation expressif pour agents artificiels." Grenoble INPG, 2006. http://www.theses.fr/2006INPG0167.
Full textThis manuscript presents an Expressive Conversation Language for artificial agents ofmixed community, where humans and artificial agents are evolving. Agent Communication Languages (ACL) typically assume that MultiAgent Systems are composed of artificial agents and that knowledge exchange is the main activity. This PhD Thesis considers Multi-Agent Systems extended to humans, where conversations rather than interactions are important to ensure dialogues such as negotiation. Therefore, we propose an Expressive Conversation Language for conversational agents of mixed communities. Thirty-two expressive conversation acts are formally defined, such as the basic acts Inform and Request, but also promise, suggest, insist on etc. , which give a primitive but interesting expressiveness to agents. This also opens the way of expressive discourse to Embodied Conversational Agents which constitute a new generation of multi-modal interfaces. This work was completed in Philosophy and Cognitive Science in the context of an international (France - Canada) co-directed PhD Thesis
Berger, Alexandra. "La communication entre agents de communautés mixtes : un langage de conversation expressif pour agents artificiels /." Trois-Rivières : Université du Québec à Trois-Rivières, 2007. http://www.uqtr.ca/biblio/notice/resume/30001250R.pdf.
Full textEn-tête de titre: Thèse de doctorat en cotutelle présentée à l'Université du Québec à Trois-Rivières et l'Institut national polytechnique de Grenoble comme exigence partielle du doctorat en Philosophie (UQTR) et du doctorat en Sciences cognitives (INPG). Comprend des réf. bibliogr. : f. 171-177. Également disponible en formats microfiche et PDF. CaQTU
Berger, Alexandra. "La communication entre agents de communautés mixtes : un langage de conversation expressif pour agents artificiels." Thèse, Université du Québec à Trois-Rivières, 2007. http://depot-e.uqtr.ca/1550/1/030001250.pdf.
Full textHorned, Arvid. "Conversational agents in a family context : A qualitative study with children and parents investigating their interactions and worries regarding conversational agents." Thesis, Umeå universitet, Institutionen för informatik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-172348.
Full textMancini, Maurizio. "Multimodal distinctive behavior for expressive embodied conversational agents." Paris 8, 2008. https://octaviana.fr/items/show/9956#?c=0&m=0&s=0&cv=0.
Full textEmbodied Conversational Agents are a new type of computer interfaces which have human-like bodies and conversational skills. Users interacting with agents will be more engaged and participative if the agents exhibit behaviors which look coherent across different situations and emotional states. In the present work, we aim at increasing agents believability by looking at two main aspects of the problem : - an agent must be able to show its emotional state and communicative intentions not only through specific facial expressions, gestures, etc. , but also by varying the quality of its movements (e. G. , their speed, amplitude, etc. ) and the choice of the modalities that are used to communicate ; - the agent must maintain a disctinctive behavior tendency has to remain apparent during any communication ; We have developed a model to solve the two above issues. We have evaluated the realism and believability of the resulting agent's behaviors through perceptual tests and application scenario. The resulting system is highly extensible and configurable. It can also be used as a research tool to study human communication
Chuu, Chian 1980. "LIESHOU : a Mandarin conversational task agent for the Galaxy-II Architecture." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/87397.
Full textKaleem, Mohammed. "Methodology and algorithms for Urdu language processing in a conversational agent." Thesis, Manchester Metropolitan University, 2015. http://e-space.mmu.ac.uk/344/.
Full textHuang, Hung-Hsuan. "A generic framework for embodied conversational agent development and its applications." 京都大学 (Kyoto University), 2009. http://hdl.handle.net/2433/126470.
Full textJusko, Ján. "Chatbot pro Smart Cities." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2019. http://www.nusl.cz/ntk/nusl-403204.
Full textShearer, John. "Persuasive interactive non-verbal behaviour in embodied conversational agents." Thesis, Newcastle upon Tyne : University of Newcastle upon Tyne, 2009. http://hdl.handle.net/10443/791.
Full textDoumanis, Ioannis. "Evaluating humanoid embodied conversational agents in mobile guide applications." Thesis, Middlesex University, 2013. http://eprints.mdx.ac.uk/12627/.
Full textKumar, Rohit. "Socially Capable Conversational Agents for Multi-Party Interactive Situations." Research Showcase @ CMU, 2011. http://repository.cmu.edu/dissertations/162.
Full textYan, Hao 1973. "Paired speech and gesture generation in embodied conversational agents." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/70733.
Full textIncludes bibliographical references (p. 68-71).
Using face-to-face conversation as an interface metaphor, an embodied conversational agent is likely to be easier to use and learn than traditional graphical user interfaces. To make a believable agent that to some extent has the same social and conversational skills as humans do, the embodied conversational agent system must be able to deal with input of the user from different communication modalities such as speech and gesture, as well as generate appropriate behaviors for those communication modalities. In this thesis, I address the problem of paired speech and gesture generation in embodied conversational agents. I propose a real-time generation framework that is capable of generating a comprehensive description of communicative actions, including speech, gesture, and intonation, in the real-estate domain. The generation of speech, gesture, and intonation are based on the same underlying representation of real-estate properties, discourse information structure, intentional and attentional structures, and a mechanism to update the common ground between the user and the agent. Algorithms have been implemented to analyze the discourse information structure, contrast, and surprising semantic features, which together decide the intonation contour of the speech utterances and where gestures occur. I also investigate through a correlational study the role of communicative goals in determining the distribution of semantic features across speech and gesture modalities.
by Hao Yan.
S.M.
Doolin, Simon Peter. "Usability engineering for embodied conversational agents with older users." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/17967.
Full textSimmons, Carl Benjamin. "Usability design of embodied conversational agents on handheld devices." Thesis, University of Edinburgh, 2014. http://hdl.handle.net/1842/17962.
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