Access control in open and dynamic Pervasive Computing Environments (PCEs) is a very complex mechanism and encompasses various new requirements. In fact, in such environments, context information should be used in access control decision process; however, it is not applicable to gather all context information completely and accurately all the time. Thus, a suitable access control model for PCEs...

Creation of cooperative robot teams for complex tasks requires not only agents that can function well individually but also agents that can coordinate their actions. This paper presents several methods for collaboration and coordination in a team of soccerplaying robots. In our approach, fixed collaborative supporting behaviours allow for robots to aid each other and decrease interference. Coor...

This paper presents a system for marking or covering players on an opposing soccer team so as to best prevent them from scoring. A basis for the marking system is the introduction of prioritized role assignment, an extension to SCRAM dynamic role assignment used by the UT Austin Villa RoboCup 3D simulation team for formational positioning. The marking system is designed to allow for decentraliz...

Rapid urban growth is resulting into increase in travel demand and private vehicle ownership in urban areas. In the present scenario the existing infrastructure has failed to match the demand that leads to traffic congestion, vehicular pollution and accidents. With traffic congestion augmentation on the road, delay of commuters has increased and reliability of road network has decreased. Four s...

Dynamic road traffic assignment models can be used explicitly to represent and analyse route choice and travel times in networks for which the demand for travel varies over time and congestion arises. Static models cannot represent this phenomenon in a satisfactory manner. Despite the long-term research activity and the several approaches that have been introduced, no dominant approach has emer...

In this paper, we introduce an approach for designing and deploying organizations on large scale Multi-Agent Robotic Systems. Lying on the well-known organizational meta-model AGR, we propose a role assignment protocol for automatically distributing the roles over the robots. We have run a series of simulations to validate the approach’s feasibility. The simulations show that the protocol is we...

The Role-Based Access Control (RBAC) model has been widely applied to a single domain in which users are known to the administrative unit of that domain, beforehand. However, the application of the conventional RBAC model for remote access control scenarios is not straightforward. In such scenarios, the access requestor is outside of the provider domain and thus, the user population is heteroge...