Papers

Grid Workflow - An Integrated Approach

Gregor Von Laszewski, Mike Hategan in Quality (2005)

Many scientific simulations and experiments require the coordination of numerous tasks posed by interdisciplinary research teams. Grids can provide access to the necessary high-end resources to conduct such tasks.

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On the parallelization of blocked LU factorization algorithms on distributed memory architectures

G Von Laszewski, M Parashar, A G Mohamed, G C Fox in Proceedings Supercomputing 92 (1992)

The authors present the parallelization of blocked algorithms for LU factorization. They isolate problems inherent in sequential blocked algorithms and provide approaches to overcome them on distributed memory architectures. The performances of the…

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An Adaptive Cyberinfrastructure for Threat Management in Urban Water Distribution Systems

Kumar Mahinthakumar, Gregor Von Laszewski, Ranji Ranjithan, Downey Brill, G Von Laszewski, J Uber, et al. in Optimization (2006)

Threat management in drinking water distribution systems involves real-time characterization of any contaminant source and plume, design of control strategies, and design of incremental data sampling schedules. This requires dynamic integration of…

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Towards building a cloud for scientific applications

Lizhe Wang, Marcel Kunze, Jie Tao, Gregor Von Laszewski in Advances in Engineering Software (2011)

The Cloud computing becomes an innovative computing paradigm, which aims to provide reliable, customized and QoS guaranteed computing infrastructures for users. This paper presents our early experience of Cloud computing based on the Cumulus project…

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Power Aware Scheduling for Parallel Tasks via Task Clustering

Lizhe Wang, Jie Tao, Gregor Von Laszewski, Dan Chen in 2010 IEEE 16th International Conference on Parallel and Distributed Systems (2010)

It has been widely known that various benefits can be achieved by reducing energy consumption for high end computing. This paper aims to develop power aware scheduling heuristics for parallel tasks in a cluster with the DVFS technique. In this…

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Grid Infrastructure to Support Science Portals for Large Scale Instruments

Gregor Von Laszewski, Ian Foster in Proceedings of the Workshop Distributed Computing on the Web DCW (1999)

Soon, a new generation of scientific workbenches will be developed as a collaborative effort among various research institutions in the United States. These scientific workbenches will be accesses in the Web via portals. Reusable components are…

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Quality Assured Ad Hoc Grids

K Amin, G Von Laszewski, A R Mikler in Joint International Conference on Autonomic and Autonomous Systems and International Conference on Networking and Services icasisns05 (2005)

This paper presents an integrated architecture for ad hoc Grids developed within the Java CoG Kit project. It provides an overview of the key component frameworks that collectively build the ad hoc Grid architecture. Further, it outlines a formal…

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Four-Dimensional Data Assimilation: Parallelization of an Optimal Interpolation Algorithm

Reza Behforooz, Gregor Von Laszewski, Miloje Makivic in Journal of Undergraduate Research in HighPerformance Computing (1995)

An interface for a parallel and optimized version of the sequential Optimal Interpolation algorithm is developed. At the NASA Goddard Space Flight Center's Data Assimilation Office, four-dimensional data assimilation is conducted using a regional…

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GridTorrent Framework: A High-performance Data Transfer and Data Sharing Framework for Scientific Computing