Virtual organizations are important to enable collaboration and enhance interaction among a diverse set of people regardless of their temporal and spatial dispersion. Some research has assumed that communication media will mask traditional elements of diversity while other research suggests mediated teams simply pay attention to different cues. The relationships among the media, team member div...

This paper presents the design, architecture and main implementation features of the flood prediction application of the Task 1.2 of the EU IST CROSSGRID project. The paper begins with the description of the virtual organization of hydrometeorological experts, users, data providers and customers supported by the application. Then the architecture of the application is described, followed by use...

Virtual organizations play an important role in today’s economy, as they are able to adapt themselves to the turbulent market environments. Team work and collaboration are main characteristics of virtual organizations, so the contacts among human beings have outstanding importance. A very important element of this human contact is trust. Trust building in virtual organizations has special chara...

A Grid computing system is a virtual resource framework. Inside the framework, resources are being shared among autonomous domains which can be geographically distributed. One primary goal of such a virtual Grid environment is to encourage domain-to-domain interactions and to increase the confidence of domains to utilize or share resources without losing control and confidentiality. To achieve ...

In this paper, GridIMF provides the users with consistency while adapting to variability grid information. GridIMF designs hierarchical 3-tier information management model in accordance with participating intention, roles and operating strategies of grid information. In order to manage grid information in effective ways, GridIMF provides grid service while dividing to GVMS and GRMS. GVMS sugges...

Virtual machines constitute an appealing technology for Grid Computing and have proved a promising mechanism that greatly simplifies and enforces the employment of grid computer resources. While existing sandbox technologies to some extent provide secure execution environments for applications deployed in a heterogeneous platform as the Grid, they suffer from a number of problems including perf...

This paper describes the VIRGIL (Virtual Meeting Archival) system which was developed to provide a simple, practical, easy-to-use method for recording, indexing and archiving large scale distributed videoconferences held over Access Grid nodes. Institutional libraries are coming under increasing pressure to support the storage, access and retrieval of such mixed-media complex digital objects in...

This proposal discusses details about Peer-VM which is a peer-to-peer (P2P) networking system allowing users to share the virtual machines (VM) in a P2P fashion for the purpose of Grid Computing. Peer-VM allows for the on demand addition of the virtual machines to the resource pool of existing Grid Computing systems like In-VIGO [9]. This proposal presents the Peer-VM architecture and discusses...

A fluid simulation suitable for use in real-time virtual environments running at interactive frame rates has the potential to greatly improve the quality of the virtual environments it is used in. To this end we present a method suitable for use in real-time grid-based fluid simulation that considerably reduces the amount of data being processed at each simulation step by removing unused cells ...

With the continuous evolution of distributed computing grids and with the perpetuous development of the available computing resources and protocols, there is a sine qua non requirement to pass beyond the physical design of the grids. A viable solution is offered by virtual grids, having the advantage of flexible mapping and adaptation to live in-place resources. A software image is proposed, bu...