References 1. G. B. Berriman, J. C. Good, and A. C. Laity, Montage: a Grid Enabled Image Mosaic Service for the National Virtual Observatory, in Proceedings of the Astronomical Data Analysis Software and Systems XIII, Volume 13, pp. 145-167, 2003. 2. I. Brandic, S. Benkner, G. Engelbrecht, and R. Schmidt, QoS Support for Time-Critical Grid Workflow Applications, in Proceedings of the 1st IEEE International Conference on e-Science and Grid Computing (e-Science 2005), Melbourne, Australia, December 5 - 8, 2005. 3. E. Deelman, J. Blythe, Y. Gil, C. Kesselman, G. Mehta, S. Patil, M. Su, K. Vahi, and M. Livny, Pegasus : Mapping Scientific Workflows onto the Grid, in Proceedings of the 2nd European Across Grids Conference, Nicosia, Cyprus, January 28-30, 2004. 4. L. Fischer, Workflow Handbook 2004, Future Strategies Inc, Lighthouse Point, FL, USA, 2004. 5. M. Hovestadt, Scheduling in HPC Resource Management Systems: Queuing vs. Planning, in Proceedings of the 9th Workshop on JSSPP at GGF8, Washington, USA, June 24, 2003. 6. M. Hsu (ed), Special Issue on Workflow and Extended Transaction Systems, IEEE Data Engineering, Volume 16 (2), IEEE-CS, CA, USA, 1993. 7. R. Lovas, G. Dozsa, P. Kacsuk, N. Podhorszki, D. Drotos, Workflow Support for Complex Grid Applications: Integrated and Portal Solutions, in Proceedings of the 2nd European Across Grids Conference, Nicosia, Cyprus, January 28-30, 2004. 8. D.M. Quan, Mapping heavy communication workflows onto grid resources within SLA context, in Proceedings of the 2nd International Conference of High Performance Computing and Communication (HPCC06), Munich, Germany, September 12-14, 2006. 9. K. M. Sim, G-Commerce, Market-driven G-Negotiation Agents and Grid Resource Management, IEEE Transactions on Systems, Man and Cybernetics, Part B, 36 (6), pp.1381-1394, 2006. 10. M. P. Singh, and M. A. Vouk, Scientific Workflows: Scientific Computing Meets Transactional Workflows, in Proceedings of the NSF Workshop on Workflow and Process Automation in Information Systems: State of the Art and Future Directions, Athens, USA, 1996. 11. M. Surridge, S. Taylor, D. De Roure, and E. Zaluska, Experiences with GRIA, in Proceedings of the 1st IEEE International Conference on e-Science and Grid Computing (e-Science 2005), Melbourne, Australia, December 5 - 8, 2005. 12. J. Yu, and R. Buyya, Scheduling Scientific Workflow Applications with Deadline and Budget Constraints using Genetic Algorithms, Scientific Programming Journal, 14 (3-4), pp. 217-230, 2006. 13. L. Zeng, B. Benatallah, A. Ngu, M. Dumas, J. Kalagnanam, and H. Chang, QoSAware Middleware for Web Services Composition, IEEE Transactions on Software Engineering, 30(5), pp. 311-327, 2004.