Workflow-oriented collaborative grid portals
Sipos, G., Lewis, G. J., Kacsuk, N. and Alexandrov, V. N. (2005) Workflow-oriented collaborative grid portals. In: Sloot, P. M. A., Hoekstra, A. G., Priol, T., Reinefeld, A. and Bubak, M. (eds.) Advances in Grid Computing - Egc 2005. Lecture Notes in Computer Science, 3470. Springer-Verlag Berlin, Berlin, pp. 434-443. ISBN 0302-9743 3-540-26918-5
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The paper presents how workflow-oriented, single-user Grid portals could be extended to meet the requirements of users with collaborative needs. Through collaborative Grid portals different research and engineering teams would be able to share knowledge and resources. At the same time the workflow concept assures that the shared knowledge and computational capacity is aggregated to achieve the high-level goals of the group. The paper discusses the different issues collaborative support requires from Grid portal environments during the different phases of the workflow-oriented development work. While in the design period the most important task of the portal is to provide consistent and fault tolerant data management, during the workflow execution it must act upon the security framework its back-end Grids are built on.
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