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Intelligent agents or non-player characters (NPCs) in human interaction scenarios are required to react in ways that are consistent to the training scenario. In many cases these NPCs are controlled by a simple state machine and scripts. The use of these techniques leads to responses that are of poor quality and machine driven. In our work we aim to design a model for incorporating emotional enhancements...
With the advent of artificial general intelligence architectures, comparison between different architectures became more complicated. Small isolated tasks like box stacking, path finding, chess, or collecting objects is sufficient for highly specialized algorithms like the ones used in artificial intelligence. The holistic control systems are designed to cope with rich, dynamic, and complex real world...
Existing computational models of emotions, although based on different psychological theories, share common properties and may be seen as the different facets of a common emotional process. We thus present our model GRACE - aiming at unifying existing models into a single architecture while preserving the peculiarities of each of them. We also demonstrate the generality of GRACE in emulating the behavior...
This paper presents methods for the detection of textual expressions of users' affective states and explores an application of these affective cues in a conversational system — Affect Bartender. We also describe the architecture of the system, core system components and a range of developed communication interfaces. The application of the described methods is illustrated with examples of dialogs conducted...
Recently several episodic memory models have been developed for virtual characters to increase their believability. However, none of these models addresses the issue of plausible timing of events. Here we present a model that addresses this issue. We introduce a prototype implementation and discuss the psychological underpinnings. Then we demonstrate that the model is able to mimic some psychological...
Ambient Intelligence systems are more than a simple integration among computer technologies, indeed, their design can strongly depend upon psychology and social sciences aspects describing, analyzing and forecasting the human being status during the system's decision making. Consequently, if from a technological view an AmI system can be considered as a simple framework for distributing personalized...
Empathy is often seen as the capacity to perceive, understand and experience others' emotions. This concept has been incorporated in virtual agents to achieve better believability, social interaction and user engagement. However, this has been mostly done to achieve empathic relations with the users. Instead, in this article we focus on empathy between synthetic characters and propose an analytical...
Through the recent process of urban development, characterized by urban expansion and redevelopment, industrialized countries have witnessed a surge in the number, scale and complexity of urban structures. However, it has become difficult to keep urban space adaptable to environmental realities and our cities don't completely meet the demands of society. These demands include the sustainable upgrading...
For humanoid robots that should assist humans in their daily life the capability of an adequate interaction with human operators is a key feature. A key factor for human like interaction is the usage of non-verbal communication. Therefore robots must be able to have some kind of emotions. These emotions mainly depends on the achievement of the goals of the interaction. Psychologists point out that...
Previous cognitive modelling work has suggested that the decline of short-term memory (STM) capacity is the dominant factor of age-related decline on recall ability. We report the results of a set of experiments investigating in further detail the effect of varying short-term memory capacity on the recall of chess positions using the CHREST cognitive architecture, and demonstrate a good qualitative...
A humanoid agent has been studied that is employing artificial intelligence and emotions to communicate with users not only with speech but also with gestures. In order for the agent to interact with users in a smooth way, the idea of transactional analysis is introduced from the field of psychology into the agent. This paper briefly describes the introduction of transactional analysis, followed by...
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