61,612 research outputs found
Towards virtual communities on the Web: Actors and audience
We report about ongoing research in a virtual
reality environment where visitors can interact with
agents that help them to obtain information, to perform
certain transactions and to collaborate with them in order
to get some tasks done. Our environment models a
theatre in our hometown. We discuss attempts to let this
environment evolve into a theatre community where we
do not only have goal-directed visitors, but also visitors
that that are not sure whether they want to buy or just
want information or visitors who just want to look
around. It is shown that we need a multi-user and multiagent
environment to realize our goals. Since our environment
models a theatre it is also interesting to investigate
the roles of performers and audience in this environment.
For that reason we discuss capabilities and personalities of agents. Some notes on the historical development of networked communities are included
PARADISE: A Framework for Evaluating Spoken Dialogue Agents
This paper presents PARADISE (PARAdigm for DIalogue System Evaluation), a
general framework for evaluating spoken dialogue agents. The framework
decouples task requirements from an agent's dialogue behaviors, supports
comparisons among dialogue strategies, enables the calculation of performance
over subdialogues and whole dialogues, specifies the relative contribution of
various factors to performance, and makes it possible to compare agents
performing different tasks by normalizing for task complexity.Comment: 10 pages, uses aclap, psfig, lingmacros, time
Multimodal agent interfaces and system architectures for health and fitness companions
Multimodal conversational spoken dialogues using physical and virtual agents provide a potential interface to motivate and support users in the domain of health and fitness. In this paper we present how such multimodal conversational Companions can be implemented to support their owners in various pervasive and mobile settings. In particular, we focus on different forms of multimodality and system architectures for such interfaces
Using Computational Agents to Design Participatory Social Simulations
In social science, the role of stakeholders is increasing in the development and use of simulation models. Their participation in the design of agent-based models (ABMs) has widely been considered as an efficient solution to the validation of this particular type of model. Traditionally, "agents" (as basic model elements) have not been concerned with stakeholders directly but via designers or role-playing games (RPGs). In this paper, we intend to bridge this gap by introducing computational or software agents, implemented from an initial ABM, into a new kind of RPG, mediated by computers, so that these agents can interact with stakeholders. This interaction can help not only to elicit stakeholders' informal knowledge or unpredicted behaviours, but also to control stakeholders' focus during the games. We therefore formalize a general participatory design method using software agents, and illustrate it by describing our experience in a project aimed at developing agent-based social simulations in the field of air traffic management.Participatory Social Simulations, Agent-Based Social Simulations, Computational Agents, Role-Playing Games, Artificial Maieutics, User-Centered Design
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Proceedings ICPW'07: 2nd International Conference on the Pragmatic Web, 22-23 Oct. 2007, Tilburg: NL
Proceedings ICPW'07: 2nd International Conference on the Pragmatic Web, 22-23 Oct. 2007, Tilburg: N
Designing and Implementing Embodied Agents: Learning from Experience
In this paper, we provide an overview of part of our experience in designing and implementing some of the embodied agents and talking faces that we have used for our research into human computer interaction. We focus on the techniques that were used and evaluate this with respect to the purpose that the agents and faces were to serve and the costs involved in producing and maintaining the software. We discuss the function of this research and development in relation to the educational programme of our graduate students
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