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Displaying 1-21 out of 21 total
Visual Data Analysis as an Integral Part of Environmental Management
Found in: IEEE Transactions on Visualization and Computer Graphics
By Joerg Meyer,E. Wes Bethel,Jennifer L. Horsman,Susan S. Hubbard,Harinarayan Krishnan,Alexandru Romosan,Elizabeth H. Keating,Laura Monroe,Richard Strelitz,Phil Moore,Glenn Taylor,Ben Torkian,Timothy C. Johnson,Ian Gorton
Issue Date:December 2012
pp. 2088-2094
The U.S. Department of Energy's (DOE) Office of Environmental Management (DOE/EM) currently supports an effort to understand and predict the fate of nuclear contaminants and their transport in natural and engineered systems. Geologists, hydrologists, physi...
Query-Driven Visualization of Time-Varying Adaptive Mesh Refinement Data
Found in: IEEE Transactions on Visualization and Computer Graphics
By Luke J. Gosink, John C. Anderson, E. Wes Bethel, Kenneth I. Joy
Issue Date:November 2008
pp. 1715-1722
The visualization and analysis of AMR-based simulations is integral to the process of obtaining new insight in scientific research. We present a new method for performing query-driven visualization and analysis on AMR data, with specific emphasis on time-v...
Grid-Distributed Visualizations Using Connectionless Protocols
Found in: IEEE Computer Graphics and Applications
By E. Wes Bethel, John Shalf
Issue Date:March 2003
pp. 51-59
<p>As the number and diversity of distributed teams grow, the need for visualization tools to analyze and display multiterabyte, remote data becomes more pronounced and more urgent. Visapult is a parallel visualization tool that employs grid-distribu...
Augmented Topological Descriptors of Pore Networks for Material Science
Found in: IEEE Transactions on Visualization and Computer Graphics
By Daniela Ushizima,Dmitriy Morozov,Gunther H. Weber,Andrea G.C. Bianchi,James A. Sethian,E. Wes Bethel
Issue Date:December 2012
pp. 2041-2050
One potential solution to reduce the concentration of carbon dioxide in the atmosphere is the geologic storage of captured CO2 in underground rock formations, also known as carbon sequestration. There is ongoing research to guarantee that this process is b...
Parallel index and query for large scale data analysis
Found in: SC Conference
By Jerry Chou,Mark Howison,Brian Austin,Kesheng Wu,Ji Qiang,E. Wes Bethel,Arie Shoshani,Oliver Rübel, Prabhat,Rob D. Ryne
Issue Date:November 2011
pp. 1-11
Modern scientific datasets present numerous data management and analysis challenges. State-of-the-art index and query technologies are critical for facilitating interactive exploration of large datasets, but numerous challenges remain in terms of designing...
High performance multivariate visual data exploration for extremely large data
Found in: SC Conference
By Oliver Rübel, Prabhat, Kesheng Wu, Hank Childs, Jeremy Meredith, Cameron G. R. Geddes, Estelle Cormier-Michel, Sean Ahern, Gunther H. Weber, Peter Messmer, Hans Hagen, Bernd Hamann, E. Wes Bethel
Issue Date:November 2008
pp. 1-12
One of the central challenges in modern science is the need to quickly derive knowledge and understanding from large, complex collections of data. We present a new approach that deals with this challenge by combining and extending techniques from high perf...
Extreme Scaling of Production Visualization Software on Diverse Architectures
Found in: IEEE Computer Graphics and Applications
By Hank Childs, David Pugmire, Sean Ahern, Brad Whitlock, Mark Howison, Prabhat, Gunther H. Weber, E. Wes Bethel
Issue Date:May 2010
pp. 22-31
A series of experiments studied how visualization software scales to massive data sets. Although several paradigms exist for processing large data, the experiments focused on pure parallelism, the dominant approach for production software. The experiments ...
Query-Driven Visualization of Large Data Sets
Found in: Visualization Conference, IEEE
By Kurt Stockinger, John Shalf, Kesheng Wu, E. Wes Bethel
Issue Date:October 2005
pp. 22
We present a practical and general-purpose approach to large and complex visual data analysis where visualization processing, rendering and subsequent human interpretation is constrained to the subset of data deemed interesting by the user. In many scienti...
Integrating Data Clustering and Visualization for the Analysis of 3D Gene Expression Data
Found in: IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
By Bernd Hamann, Charless C. Fowlkes, Charless C. Fowlkes, Cris L. Luengo Hendriks, Cris L. Luengo Hendriks, David W. Knowles, David W. Knowles, E. Wes Bethel, E. Wes Bethel, Gunther H. Weber, Gunther H. Weber, Hans Hagen, Hans Hagen, Jitendra Malik, Jitendra Malik, Mark D. Biggin, Mark D. Biggin, Michael B. Eisen, Michael B. Eisen, Min-Yu Huang, Min-Yu Huang, Oliver Rubel, Oliver Rubel, Soile V. E. Keranen, Soile V. E. Keranen
Issue Date:January 2010
pp. 64-79
The recent development of methods for extracting precise measurements of spatial gene expression patterns from three-dimensional (3D) image data opens the way for new analyses of the complex gene regulatory networks controlling animal development. We prese...
An Application of Multivariate Statistical Analysis for Query-Driven Visualization
Found in: IEEE Transactions on Visualization and Computer Graphics
By Luke J. Gosink, Christoph Garth, John C. Anderson, E. Wes Bethel, Kenneth I. Joy
Issue Date:March 2011
pp. 264-275
Driven by the ability to generate ever-larger, increasingly complex data, there is an urgent need in the scientific community for scalable analysis methods that can rapidly identify salient trends in scientific data. Query-Driven Visualization (QDV) strate...
Interactive Protein Manipulation
Found in: Visualization Conference, IEEE
By Oliver Kreylos, Nelson L. Max, Bernd Hamann, Silvia N. Crivell, E. Wes Bethel
Issue Date:October 2003
pp. 77
We describe an interactive visualization and modeling program for the creation of protein structures
Deploying Web-Based Visual Exploration Tools on the Grid
Found in: IEEE Computer Graphics and Applications
By T.J. Jankun-Kelly, Oliver Kreylos, Kwan-Liu Ma, Bernd Hamann, Kenneth I. Joy, John Shalf, E. Wes Bethel
Issue Date:March 2003
pp. 40-50
<p>A Web-based portal enables the exploration, encapsulation, and dissemination of visualization results over the grid. This portal integrates an interface client for structured visualization exploration, a visualization Web application to manage the...
Ultrascale Visualization of Climate Data
Found in: Computer
By Dean N. Williams,Timo Bremer,Charles Doutriaux,John Patchett,Sean Williams,Galen Shipman,Ross Miller,David R. Pugmire,Brian Smith,Chad Steed,E. Wes Bethel,Hank Childs,Harinarayan Krishnan,Prabhat Prabhat,Michael Wehner,Claudio T. Silva,Emanuele Santos,David Koop,Tommy Ellqvist,Jorge Poco,Berk Geveci,Aashish Chaudhary,Andy Bauer,Alexander Pletzer,Dave Kindig,Gerald L. Potter,Thomas P. Maxwell
Issue Date:September 2013
pp. 68-76
Collaboration across research, government, academic, and private sectors is integrating more than 70 scientific computing libraries and applications through a tailorable provenance framework, empowering scientists to exchange and examine data in novel ways...
Research Challenges for Visualization Software
Found in: Computer
By Hank Childs,Berk Geveci,Will Schroeder,Jeremy Meredith,Kenneth Moreland,Christopher Sewell,Torsten Kuhlen,E. Wes Bethel
Issue Date:May 2013
pp. 34-42
As the visualization research community reorients its software to address up-coming challenges, it must successfully deal with diverse processor architectures, distributed systems, various data sources, massive parallelism, multiple input and output device...
Parallel I/O, analysis, and visualization of a trillion particle simulation
Found in: 2012 SC - International Conference for High Performance Computing, Networking, Storage and Analysis
By Surendra Byna,Jerry Chou,Oliver Rubel,Prabhat ,Homa Karimabadi,William S. Daughter,Vadim Roytershteyn,E. Wes Bethel,Mark Howison,Ke-Jou Hsu,Kuan-Wu Lin,Arie Shoshani,Andrew Uselton,Kesheng Wu
Issue Date:November 2012
pp. 1-12
Petascale plasma physics simulations have recently entered the regime of simulating trillions of particles. These unprecedented simulations generate massive amounts of data, posing significant challenges in storage, analysis, and visualization. In this pap...
Automated Analysis for Detecting Beams in Laser Wakefield Simulations
Found in: Machine Learning and Applications, Fourth International Conference on
By Daniela M. Ushizima, Oliver Rübel, Prabhat, Gunther H. Weber, E. Wes Bethel, Cecilia R. Aragon, Cameron G. R. Geddes, Estelle Cormier-Michel, Bernd Hamann, Peter Messmer, Hans Hagen
Issue Date:December 2008
pp. 382-387
Laser wakefield particle accelerators have shown the potential to generate electric fields thousands of times higher than those of conventional accelerators. The resulting extremely short particle acceleration distance could yield a potential new compact s...
Sort-First, Distributed Memory Parallel Visualization and Rendering
Found in: Parallel and Large-Data Visualization and Graphics, IEEE Symposium on
By E. Wes Bethel, Greg Humphreys, Brian Paul, J. Dean Brederson
Issue Date:October 2003
pp. 7
While commodity computing and graphics hardware has increased in capacity and dropped in cost, it is still quite difficult to make effective use of such systems for general-purpose parallel visualization and graphics. We describe the results of a recent pr...
Parallel Cell Projection Rendering of Adaptive Mesh Refinement Data
Found in: Parallel and Large-Data Visualization and Graphics, IEEE Symposium on
By Gunther H. Weber, Martin Öhler, Oliver Kreylos, John M. Shalf, E. Wes Bethel, Bernd Hamann, Gerik Scheuermann
Issue Date:October 2003
pp. 8
Adaptive Mesh Refinement (AMR) is a technique used in numerical simulations to automatically refine (or de-refine) certain regions of the physical domain in a finite difference calculation. AMR data consists of nested hierarchies of data grids. As AMR visu...
Interoperability of Visualization Software and Data Models is Not an Achievable Goal
Found in: Visualization Conference, IEEE
By E. Wes Bethel
Issue Date:October 2003
pp. 114
No summary available.
Feature-Based Analysis of Plasma-Based Particle Acceleration Data
Found in: IEEE Transactions on Visualization and Computer Graphics
By Oliver Rubel,Cameron G. R. Geddes, Min Chen,Estelle Cormier-Michel,E. Wes Bethel
Issue Date:February 2014
pp. 196-210
Plasma-based particle accelerators can produce and sustain thousands of times stronger acceleration fields than conventional particle accelerators, providing a potential solution to the problem of the growing size and cost of conventional particle accelera...
Federal market information technology in the post flash crash era: roles for supercomputing
Found in: Proceedings of the fourth workshop on High performance computational finance (WHPCF '11)
By David Leinweber, E. Wes Bethel, Kesheng Wu, Oliver Rubel
Issue Date:November 2011
pp. 23-30
This paper describes collaborative work between active traders, regulators, economists, and supercomputing researchers to replicate and extend investigations of the Flash Crash and other market anomalies in a National Laboratory HPC environment. Our work s...