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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Avalia??o de arquitetura de agentes emocionais : uma abordagem baseada em m?trica de qualidade e na influ?ncia das emo??es sobre usu?rios

Meira, Marcilio de Oliveira 05 September 2012 (has links)
Made available in DSpace on 2014-12-17T15:47:59Z (GMT). No. of bitstreams: 1 MarcilioOM_DISSERT.pdf: 2842138 bytes, checksum: a048e635c669d6652fa350ab1d82eadc (MD5) Previous issue date: 2012-09-05 / There is a need for multi-agent system designers in determining the quality of systems in the earliest phases of the development process. The architectures of the agents are also part of the design of these systems, and therefore also need to have their quality evaluated. Motivated by the important role that emotions play in our daily lives, embodied agents researchers have aimed to create agents capable of producing affective and natural interaction with users that produces a beneficial or desirable result. For this, several studies proposing architectures of agents with emotions arose without the accompaniment of appropriate methods for the assessment of these architectures. The objective of this study is to propose a methodology for evaluating architectures emotional agents, which evaluates the quality attributes of the design of architectures, in addition to evaluation of human-computer interaction, the effects on the subjective experience of users of applications that implement it. The methodology is based on a model of well-defined metrics. In assessing the quality of architectural design, the attributes assessed are: extensibility, modularity and complexity. In assessing the effects on users' subjective experience, which involves the implementation of the architecture in an application and we suggest to be the domain of computer games, the metrics are: enjoyment, felt support, warm, caring, trust, cooperation, intelligence, interestingness, naturalness of emotional reactions, believabiliy, reducing of frustration and likeability, and the average time and average attempts. We experimented with this approach and evaluate five architectures emotional agents: BDIE, DETT, Camurra-Coglio, EBDI, Emotional-BDI. Two of the architectures, BDIE and EBDI, were implemented in a version of the game Minesweeper and evaluated for human-computer interaction. In the results, DETT stood out with the best architectural design. Users who have played the version of the game with emotional agents performed better than those who played without agents. In assessing the subjective experience of users, the differences between the architectures were insignificant / H? uma necessidade dos projetistas de sistemas multiagentes em determinar a qualidade dos sistemas logo nas fases iniciais do processo de desenvolvimento. As arquiteturas dos agentes tamb?m fazem parte do projeto desses sistemas, e por isso tamb?m precisam ter sua qualidade avaliada. Motivados pelo importante papel que as emo??es desempenham em nossas vidas di?rias, pesquisadores de agentes incorporados t?m buscado criar agentes capazes de ter intera??o afetiva e natural com usu?rios, de forma que produza algum resultado ben?fico ou desej?vel. Para isso, v?rios estudos propondo arquiteturas de agentes com emo??es foram surgindo sem o acompanhamento dos devidos m?todos necess?rios para avalia??o dessas arquiteturas. Assim, o objetivo principal deste trabalho ? propor uma metodologia de avalia??o de arquiteturas de agentes emocionais, que avalia os atributos de qualidade do projeto das arquiteturas, al?m da avalia??o da intera??o humano computador, sobre os efeitos na experi?ncia subjetiva dos usu?rios de aplica??es que as implementam. A metodologia ? baseada em um modelo de m?tricas bem definido. Na avalia??o da qualidade do projeto arquitetural, os atributos avaliados s?o: extensibilidade, modularidade e complexidade. Na avalia??o dos efeitos na experi?ncia subjetiva dos usu?rios, que envolve a implementa??o das arquiteturas em uma aplica??o e que sugerimos ser no dom?nio de jogos de computador, as m?tricas s?o: agradabilidade, ajuda percebida, anima??o, carinho percebido, confian?a, coopera??o, intelig?ncia, interesse, naturalidade nas rea??es emocionais, realidade do comportamento, redu??o de frustra??o e simpatia, al?m do tempo m?dio e m?dia de tentativas. Realizamos experimentos com esta metodologia e avaliamos cinco arquiteturas de agentes emocionais: BDIE, DETT, Camurri-Coglio, EBDI, Emotional- BDI. Duas das arquiteturas, BDIE e EBDI, foram implementadas numa vers?o do jogo Campo Minado e avaliadas quanto ? intera??o humano computador. Nos resultados, a DETT se destacou com o melhor projeto arquitetural. Os usu?rios que jogaram a vers?o do jogo com agentes emocionais tiveram um melhor desempenho do que os que jogaram sem agentes. Na avalia??o da experi?ncia subjetiva dos usu?rios, as diferen?as entre as arquiteturas foram pouco relevantes.

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