Browsing by Author "Karnik, Amit"
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- Data and Activity Representation for Grid ComputingKarnik, Amit; Ribbens, Calvin J. (Department of Computer Science, Virginia Polytechnic Institute & State University, 2002-07-01)Computational grids are becoming increasingly popular as an infrastructure for computa- tional science research. The demand for high-level tools and problem solving environments has prompted active research in Grid Computing Environments (GCEs). Many GCEs have been one-o development eorts. More recently, there have been many eorts to dene component ar- chitectures for constructing important pieces of a GCE. This paper examines another approach, based on a `data-centric' framework for building powerful, context-aware GCEs spanning mul- tiple layers of abstraction. We describe a scheme for representing data and activities in a GCE and outline various tools under development which use this representation.
- The Virginia Tech Computational Grid: A Research AgendaRibbens, Calvin J.; Kafura, Dennis G.; Karnik, Amit; Lorch, Markus (Department of Computer Science, Virginia Polytechnic Institute & State University, 2002)An important goal of grid computing is to apply the rapidly expanding power of distributed computing resources to large-scale multidisciplinary scientic problem solving. Developing a usable computational grid for Virginia Tech is desirable from many perspectives. It leverages distinctive strengths of the university, can help meet the research computing needs of users with the highest demands, and will generate many challenging computer science research questions. By deploying a campus-wide grid and demonstrating its effectiveness for real applications, the Grid Computing Research Group hopes to gain valuable experience and contribute to the grid computing community. This report describes the needs and advantages which characterize the Virginia Tech context with respect to grid computing, and summarizes several current research projects which will meet those needs.