Reputation systems are currently used, often with success, to ensure the functioning of online services as well as of e-commerce sites. Despite the relationship between reputation and material cooperative behaviours is quite supported, less obvious appears the relationship with informative behaviours, which are crucial for the transmission of reputational information and therefore for the maint...

Cooperative knowledge spaces have a high potential to improve eLTR (eLearning, eTeaching and eResearch) at universities. Since there are few implementations deployed, notably in the fields of mathematics, natural sciences, and engineering, we propose a concept for fieldspecific knowledge spaces for those disciplines the ”ViCToR”-Spaces (Virtual Cooperation in Teaching and Research for Mathemati...

Decision-makers have been shown to rely on probabilistic models for perception and action. However, these models can be incorrect or partially wrong in which case the decision-maker has to cope with model uncertainty. Model uncertainty has recently also been shown to be an important determinant of sensorimotor behaviour in humans that can lead to risk-sensitive deviations from Bayes optimal beh...

In this paper, there is a study of medium access control (MAC) protocol design for distributed cooperative wireless networks. This shall focus on beneficial node cooperation by addressing two fundamental issues of cooperative communications, namely when to cooperate and whom to cooperate with, from a cross layer protocol design perspective. To increase network throughput, it is proposed to have...

Virtual world metaphors are becoming increasingly popular as a basis for collaborative systems (i.e. Groupware and Computer Supported Cooperative Work). This paper describes how such metaphors might be extended to support communication on a large scale through the introduction of a spatial model for meditating interaction in virtual computer spaces. Key concepts from the model are introduced an...

Moral emotions have been argued to play a central role in the emergence of cooperation in human-human interactions. This work describes an experiment which tests whether this insight carries to virtual human-human interactions. In particular, the paper describes a repeated-measures experiment where subjects play the iterated prisoner’s dilemma with two versions of the virtual human: (a) neutral...

This paper describes a virtual collaborative world simulator, DVECS (Distributed Virtual Environment Collaborative Simulator), for underwater robots and its underwater vehicle, SAUVIM (Semi-Autonomous Underwater Vehicle for Intervention Missions). DVECS is used for testing unmanned underwater vehicles (UUVs) of both real and simulated worlds where interaction and cooperation of other real and s...

OBJECTIVES To introduce an innovative clinical service that can be used to reduce medication errors and improve quality of care in the rural environment, in order to assist in eliminating or alleviating disparities in health based on geographical location. SUMMARY Virtual medication therapy management (MTM) will be a tool to assist underserved populations, specifically residents of rural comm...

This paper reports on an ongoing research project into organisational learning in virtual organisations using the Organisational Learning Evaluation Cycle developed by Gasston and Halloran (1999). A review of the literature shows that considerable research has been done in the area of organisational learning, however, the concepts are mainly focused on traditional organisational forms and are d...

Systems of distributed processors connected by a physical network may have a virtual structure imposed on them to facilitate parallel cooperative system actions. This paper describes the Multiple Virtual Rings organization which is an instance of this approach. System processors are partitioned into groups, structured as virtual rings, which operate in parallel to accumulate local information a...