Article Abstract

	Title:	Lessons learned through driving science applications in the PRAGMA grid
	Author:	Cindy Zheng, Mason J. Katz, Phil M. Papadopoulos, David Abramson, Shahaan Ayyub, Colin Enticott, Slavisa Garic, Wojtek Goscinski, Peter Arzberger, Bu Sung Lee, Sugree Phatanapherom, Somsak Sriprayoons
	Address:	San Diego Supercomputer Center, USA. ' San Diego Supercomputer Center, USA. ' San Diego Supercomputer Center, USA. ' Monash University, Australia. ' Monash University, Australia. ' Monash University, Australia. ' Monash University, Australia. ' Monash University, Australia. ' University of California, San Diego, USA. ' Nanyang Technological University, Singapore. ' Thai National Grid Center, Software Industry Promotion Agency, Thailand. ' Thai National Grid Center, Software Industry Promotion Agency, Thailand. ' Thai National Grid Center, Software Industry Promotion Agency, Thailand. ' National Institute of Advanced Industrial Science and Technology, Japan. ' National Institute of Advanced Industrial Science and Technology, Japan. ' University of Tsukuba, Japan
	Journal:	International Journal of Web and Grid Services 2007 - Vol. 3, No.3  pp. 287 - 312
	Abstract:	This paper describes the coordination, design and implementation of the PRAGMA Grid. Applications in genomics, quantum mechanics, climate simulation, organic chemistry and molecular simulation have driven the middleware requirements, and the PRAGMA Grid provides a mechanism for science and technology teams to collaborate, for grids to interoperate and for international users to share software beyond the essential, de facto standard Globus core. Several middleware tools developed by researchers within PRAGMA have been deployed in the PRAGMA grid and this has enabled significant insights, improvements and new collaborations to flourish. In this paper, we describe how human factors, resource availability and performance issues have affected the middleware, applications and the grid design. We also describe how middleware components in grid monitoring, grid accounting and grid file systems have dealt with some of the major characteristics of our grid. We also briefly describe a number of mechanisms that we have employed to make software easily available to PRAGMA and global grid communities.
	Keywords:	global grid; grid middleware; grid applications; grid interoperation; grid design; PRAGMA Grid; Pacific Rim Applications and Grid Middleware Assembly; collaboration; science and technology; human factors; resource availability; performance; grid monitoring; grid accounting; grid file systems; genomics; quantum mechanics; climate simulation; organic chemistry; molecular simulation.
	DOI:	10.1504/IJWGS.2007.014958
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