Lab Home   |  Phone
 
 

Computer, Computational, & Statistical Sciences, CCS

CONTACTS

New Website Announcement!


New Website Announcement!

The Data Science at Scale Team has published a new website and is no longer updating this website. The new website is at:

http://datascience.lanl.gov/

In the future you will be automatically redirected to the new website, but for now you can stay at the old website. If you would like to proceed to the new website, you can click the above link.


Papers


2014

Yu Su, Gagan Agrawal, Jonathan Woodring, Kary Myers, Joanne Wendelberger, James Ahrens, "Effective and efficient data sampling using bitmap indices". Cluster Computing, March 11, 2014. [PDF][BibTeX]


2013

Sewell, Christopher Meyer, "Portable Data-Parallel Visualization and Analysis in Distributed Memory Environments". IEEE Symposium on Large-Scale Data Analysis and Visualization October 13 & 14, 2013. [PDF][PISTON]


Boonthanome Nouanesengsy, John Patchett, James Ahrens, Andrew Bauer, Aashish Chaudhary, Berk Geveci, Ross Miller, Galen M. Shipman, and Dean N. Williams, "Optimizing File Access Patterns through the Spatio-Temporal Pipeline for Parallel Visualization and Analysis". Submitted to LDAV 2013. [PDF]


C. M. Brislawn, "Group-Theoretic Structure of Linear Phase Multirate Filter Banks”. Third revision, incl. final proof corrections, dated 31 July 2013. To appear in IEEE Transactions on Information Theory, vol. 59, no. 9, September 2013. [PDF][BibTeX]


C. M. Brislawn, "On the group-theoretic structure of lifted filter banks,” in Excursions in Harmonic Analysis, ser. Applied and Numerical Harmonic Analysis, T. Andrews, R. Balan, W. Czaja, K. Okoudjou, and J. Benedetto, Eds. Springer-Birkhauser, 2013, vol. 2, invited book chapter. [PDF][BibTeX]


Jonathan Woodring, James Ahrens, Timothy J. Tautges, Tom Peterka, Venkatram Vishwanath, Berk Geveci, "On-Demand Unstructured Mesh Translation for Reducing Memory Pressure during In Situ Analysis". To appear in the Proceedings of the Workshop on Ultrascale Visualization at SC13, Denver, CO, November 2013. [PDF][BibTeX]


Patchett, John M. Ahrens, James P. Nouanesengsy, Boonthanome Fasel, Patricia K. Oleary, Patrick W. Sewell, Christopher Meyer Woodring, Jonathan L. Mitchell, Christopher J. Lo, Li-Ta Myers, Kary L. Wendelberger, Joanne R. Canada, Curtis V. Daniels, Marcus G. Abhold, Hilary M. Rockefeller, Gabriel M., "LANL CSSE L2: Case Study of In Situ Data Analysis in ASC Integrated Codes". ASC LANL CSSE L2 Review, 8/13/2013. [PDF][BibTeX]


Yu Su, Gagan Agrawal, Jonathan Woodring, Kary Myers, Joanne Wendelberger, James Ahrens, "Taming Massive Distributed Datasets: Data Sampling Using Bitmap Indices". HPDC13, June 17-21, 2013, New York, NY. [PDF][BibTeX]


James Ahrens, Christopher Sewell, "Numerically Intensive and Data Intensive Computing: Issues, Approaches and Leveraging". Distribute to attendees of materials science SRG Workshop. August 5, 2013. [PDF][BibTeX]


Boonthanome Nouanesengsy, John Patchett, James Ahrens, Andrew Bauer, Aashish Chaudhary, Ross Miller, Berk Geveci, Galen M. Shipman, Dean N. Williams, "A Model for Optimizing File Access Patterns using Spatio-Temporal Parallelism". To appear in the Proceedings of the Workshop on Ultrascale Visualization at SC13, Denver, CO, November 2013. [PDF][BibTeX]


2012

Christopher Sewell, Jeremy Meredith, Kenneth Moreland, Tom Peterka, Dave DeMarle, Li-ta Lo, James Ahrens, Robert Maynard, and Berk Geveci. "The SDAV Software Frameworks for Visualization and Analysis on Next-Generation Multi-Core and Many-Core Architectures". To appear in the Proceedings of the Workshop on Ultrascale Visualization at the International Conference for High-Performance Computing, Networking, Storage, and Analysis, Salt Lake City, Utah, November 2012. [PDF][BibTeX]


C Brownlee, J Patchett, LT Lo, D DeMarle, C Mitchell, J Ahrens, CD Hansen. "A Study of Ray Tracing Large-scale Scientific Data in Two Widely Used Parallel Visualization Applications". Eurographics Symposium on Parallel Graphics and Visualization 2012 at Cagliari, Italy, May 13-14. [PDF][BibTeX]


Li-ta Lo, Christopher Sewell, and James Ahrens. "PISTON: A Portable Cross-Platform Framework for Data-Parallel Visualization Operators". Eurographics Symposium on Parallel Graphics and Visualization 2012 at Cagliari, Italy, May 13-14. [PDF][BibTeX]


S. Williams, M. Petersen, M. Hecht, M. Maltrud, J. Patchett, J. Ahrens, and B. Hamann, "Interface exchange as an indicator for eddy heat transport," Computer Graphics Forum, vol. 31, no. 3pt3, pp. 1125-1134, 2012. [PDF][BibTeX]


J. Bent, S. Faibish, J. Ahrens, G. Grider, J. Patchett, and J. Woodring, “Jitter-Free Co-Processing on a Prototype Exascale Storage Stack”, Proceedings of 28th IEEE Symposium on Massive Storage Systems and Technologies, Pacific Grove, CA, April 2012.


C. Brislawn, J. Woodring, S. Mniszewski, D. DeMarle and J. Ahrens, “Subband Coding for Large-Scale Scientific Simulation Data using JPEG 2000". Proceedings of SW Symposium on Image Analysis and Interpretation, Santa Fe, NM, April 2012. [PDF][Slides][BibTeX]


Y. Su, G. Agrawal, and J. Woodring, “Indexing and Parallel Query Processing Support for Visualizing Climate Datasets”, Proceedings of the 41st International Conference on Parallel Processing, Pittsburgh, PA, Sept. 2012.


2011

James Ahrens, David Rogers, Becky Springmeyer. "Visualization and Data Analysis at the Exascale". A White Paper for the National Nuclear Security Administration (NNSA) Accelerated Strategic Computing (ASC) Exascale Environment Planning Process. [PDF][BibTeX]


Boonthanome Nouanesengsy, James P. Ahrens, Jonathan L. Woodring, and Han-Wei Shen. "Revisiting Parallel Rendering for Shared Memory Machines". Eurographics Symposium on Parallel Graphics and Visualization 2011 at Bangor, Wales, April 10~11. [PDF][BibTeX]


S. Williams, M. Hecht, M. Petersen, R. Strelitz, M. Maltrud, J. Ahrens, M. Hlawitschka, and B. Hamann, "Visualization and analysis of eddies in a global ocean simulation," Computer Graphics Forum, vol. 30, no. 3, pp. 991-1000, 2011. [PDF][BibTeX]


Jonathan L. Woodring, James P. Ahrens, Jeannette A. Figg, Joanne R. Wendelberger, and Katrin Heitmann. "In-situ Sampling of a Large-Scale Particle Simulation for Interactive Visualization and Analysis". EuroVis 2011, May 31-June 3, Bergen, Norway. [PDF][BibTeX]


J. Woodring, K. Heitmann, J. Ahrens, P. Fasel, C.-H. Hsu, S. Habib and A. Pope. “Analyzing and Visualizing Cosmological Simulations with ParaView”, The Astrophysical Journal Supplement Series, Volume 195, Issue 11, June 2011.


J. Woodring, S. Mniszewski, C. Brislawn, D. DeMarle and J. Ahrens. “Revisiting Wavelet Compression for Large-Scale Climate Data using JPEG 2000 and Ensuring Data Precision”, 2011 IEEE Symposium on Large Data Analysis and Visualization (LDAV), October 2011.


Christopher Mitchell, James Ahrens, and Jun Wang. "VisIO: Enabling Interactive Visualization of Ultra-Scale, Time Series Data via High-Bandwidth Distributed I/O Systems". IEEE International Parallel and Distributed Processing Symposium, May 2011. [PDF][BibTeX]


S. Williams, M. Petersen, P.-T. Bremer, M. Hecht, V. Pascucci, J. Ahrens, M. Hlawitschka, and B. Hamann, "Adaptive extraction and quantification of geophysical vortices," Visualization and Computer Graphics, IEEE Transactions on, vol. 17, pp. 2088–2095, Dec. 2011. [PDF][BibTeX]


2010

J. Ahrens, K. Heitmann, M Petersen, J. Woodring, S. Williams, P. Fasel, C. Ahrens, C. Hsu, B. Geveci, "Verification of the Scientific Simulations via Hypothesis-Driven Comparative and Quantitative Visualization". IEEE Computer Graphics and Applications, Volume 30 Number 6, November/December 2010. [PDF][BibTeX]

J. Ahrens, B. Hendrickson, G. Long, S. Miller, R. Ross, D. Williams, "Data Intensive Science in the Department of Energy". A white paper for the Office of Science and Technology Policy, Technical Report LA-UR-10-07088. [PDF][BibTeX]

James Ahrens, John Patchett, Li-Ta Lo, David DeMarle, Carson Brownlee, and Christopher Mitchell, "A Report Documenting the Completion of the Los Alamos National Laboratory Portion of the ASC Level II Milestone ”Visualization on the Supercomputing Platform”". ASC Level II Milestone Meeting. August 13, 2010. [PDF][BibTeX]

Chung-Hsing Hsu, James Ahrens, and Katrin Heitmann. "Verification of the Time Evolution of Cosmological Simulations via Hypothesis-Driven Comparative and Quantitative Visualization". Proceedings of the 2010 Pacific Visualization Symposium, March 2010. [PDF][BibTeX]


2009

J. Woodring, H.-W. Shen, Semi-Automatic Time-Series Transfer Functions via Temporal Clustering and Sequencing, EuroVis 2009. [PDF][BibTeX]

J. Woodring, H.-W. Shen, Multiscale Time Activity Data Exploration via Temporal Clustering Visualization Spreadsheet in IEEE TVCG Jan/Feb 2009. [PDF][BibTeX]

J. Ahrens, J. Woodring, D. DeMarle, J. Patchett, M. Maltrud, "Interactive Remote Large-Scale Data Visualization via Prioritized Multi-resolution Streaming", Workshop on Ultrascale Visualization, Nov. 2009. [PDF][BibTeX]

E. Santos, L. Lins. J. Ahrens, J. Freire, C. Silva, "VISMASHUP: Streamlining the Creation of Custom Visualization Applications", IEEE Transactions on Visualization and Computer Graphics, Volume 15, Issue 6, pp. 1539-46, November-December 2009. [PDF][BibTeX]

J. Patchett, J. Ahrens, S. Ahern, D. Pugmire, "Parallel Visualization and Analysis with ParaView on a Cray XT4", CUG 2009, May 2009. [PDF][BibTeX]

S. Habib, A. Pope, Z. Lukic, D. Daniel, P. Fasel, N. Desai, K. Heitmann, C. Hsu, L. Ankeny, G. Mark, S. Bhattacharya, J. Ahrens, "Hybrid petacomputing meets cosmology: the Roadrunner Universe project”, Journal of Physics: Conference Series - Scientific Discovery Through Advanced Computing, Volume 180, 2009. [PDF][BibTeX]

J. Ahrens, J. Woodring, D. DeMarle, J. Patchett, M. Maltrud, "Interactive Remote Large-Scale Data Visualization via Prioritized Multi-resolution Streaming", Workshop on Ultrascale Visualization, Nov. 2009. [PDF][BibTeX]


2008

M. Graf, J. Ahrens, J. Patchett, H. Dahai, A. Balatsky, A. Balatsky, D. Modl, L. Monroe, N. Brown, E. Akhadov, "Integrated Nanotechnologies: To See is to Know: Visualization", SciDAC Review, Issue 10, Winter 2008. [website][BibTeX]

J. Ahrens, L. Lo, B. Nouanesengsy, J. Patchett, A. McPherson, "Petascale visualization: Approaches and initial results", Workshop on Ultrascale Visualization, pp.24-28, 16 Nov. 2008. [PDF][BibTeX]

E. Anderson, J. Ahrens, K. Heitmann, S. Habib, C. Silva, "Provenance in Comparative Analysis: A Study in Cosmology", Computing in Science and Engineering, Volume 10, Issue 3, pgs. 30-37, May-June 2008. [PDF][BibTeX]

E. Santos, L. Lins, J. Ahrens, J. Freire and C. Silva, "A First Study on Clustering Collections of Workflow Graphs", International Provenance and Annotation Workshop, 2008. [PDF][BibTeX]

K. Heitmann, Z. Lukic, P. Fasel, S. Habib, M. Warren, M. White, J. Ahrens, L. Ankeny, R. Armstrong, B. O'Shea, P.M. Ricker, V. Springel, J. Stadel, and H. Trac, "The Cosmic Code Comparison Project", Computational Science and Discovery, Volume 1, Issue 1, 2008. [PDF][BibTeX]

P. McCormick, E. Anderson, S. Martin, C. Brownlee, J. Inman, M. Maltrud, M. Kim, J. Ahrens, L. Nau, "Quantitatively Driven Visualization and Analysis on Emerging Architectures", Journal of Physics: Conference Series - Scientific Discovery Through Advanced Computing, Volume 125, 2008. [PDF][BibTeX]


2007

J. Woodring, H.-W. Shen, Incorporating Highlighting Animations into Static Visualizations paper in IS&T/SPIE Electronic Imaging 07. [PDF][BibTeX]

J. Ahrens, N. Desai, P. McCormick, K. Martin, J. Woodring, "A Modular Extensible Visualization System Architecture For Culled Prioritized Data Streaming", Visualization and Data Analysis 2007, Proceedings of the SPIE - The International Society for Optical Engineering, Volume 6495, Jan. 2007. [PDF][BibTeX]

P. McCormick, J. Inman, J. Ahrens, J. Mohd-Yusof, G. Roth, S. Cummings, "Scout: a data-parallel programming language for graphics processors", Parallel Computing, 33(10-11), pgs. 648-662, 2007. [PDF][BibTeX]


2006

J. Woodring and H.-W. Shen, Multi-variate, Time-varying, and Comparative Visualization with Contextual Cues paper in IEEE VIS 06. [PDF][BibTeX]

A. Cedilnik, B. Geveci, K. Moreland, J. Ahrens, and J. Favre, "Remote Large Data Visualization in the ParaView Framework", Eurographics Symposium on Parallel Graphics and Visualization, pg. 163-170, May 2006. [PDF][BibTeX]

J. Ahrens, K. Heitmann, S. Habib, L. Ankeny, P. McCormick, J. Inman, R. Armstrong and K.L. Ma, "Quantitative and comparative visualization applied to cosmological simulations", Journal of Physics: Conference Series - Scientific Discovery Through Advanced Computing, Volume 46, 2006. [PDF][BibTeX]


2005

N. Fout, K-L. Ma, and J. Ahrens, "Time-Varying Multivariate Volume Data Reduction", ACM SAC 2005, March 2005. [PDF][BibTeX]

J. Ahrens, B. Geveci, C. Law, "ParaView: An End User Tool for Large Data Visualization", Visualization Handbook, Academic Press, 2005.[BibTeX]

P. McCormick, J. Ahrens, "Large Data Visualization and Rendering: A Problem Driven Approach", Visualization Handbook, Academic Press, 2005. [BibTeX]


2004

P. McCormick, J. Inman, J. Ahrens, G. Roth and C. Hansen, "Scout: A Hardware-Accelerated System for Quantitatively Driven Visualization and Analysis" Proceedings of the IEEE Visualization 2004 Conference , October 2004. [PDF][BibTeX]


2003

A. Stompel, K-L. Ma, E. Lum, J. Ahrens, J. Patchett, " SLIC: Scheduled Linear Image Compositing for Parallel Volume Rendering", IEEE Symposium on Parallel and Large-Data Visualization and Graphics, October 2003. [PDF][BibTeX]


J. Woodring, C. Wang, and H.-W. Shen. “High Dimensional Direct Rendering of Time-Varying Volumetric Data”, VIS '03: Proceedings of the 14th IEEE Visualization 2003 (VIS'03), 2003.


J. Woodring and H.-W. Shen. “Chronovolumes”, VG '03: Proceedings of the 2003 Eurographics/IEEE TVCG Workshop on Volume Graphics, 2003.


2001

C.C. Law, A. Henderson, J. Ahrens, "An Application Architecture for Large Data Visualization: A Case Study", IEEE Symposium on Parallel and Large-Data Visualization and Graphics, October 2001. [PDF][BibTeX]

T.A. Keahey, P. McCormick, J. Ahrens, K. Keahey, "Qviz: a Framework for Querying and Visualizing Data", Proceedings of SPIE Vol. 4302 - Visual Data and Exploration and Analysis VIII, January 2001. [PDF][BibTeX]

J. Ahrens, K. Brislawn, K. Martin, B. Geveci, C. Law, M. Papka, "Large Scale Data Visualization Using Parallel Data Streaming", IEEE Computer Graphics and Applications, July-August 2001. [PDF][BibTeX]

J. Kniss, P. McCormick, A. McPherson, J. Ahrens, J. Painter, A. Keahey, C. Hansen, "TRex: Interactive Texture Based Volume Rendering for Extremely Large Datasets", IEEE Computer Graphics and Applications, July-August 2001. [PDF][BibTeX]

K. Martin, G. Abram, J. Ahrens, R. Frank, P. Moran, "Tutorial on Large Scale Data Visualization and Rendering", IEEE Visualization, October 2001.[BibTeX]


2000

K. Keahey, P. Beckman and J. Ahrens, "Ligature: Component Architecture for High-Performance Applications",International Journal of High-Performance Computing Applications—Special Issue on Performance Modeling, Vol 14. No. 4, Winter 2000. [PDF][BibTeX]


1998

P. McCormick and J. Ahrens, "Visualization of Wildfire Simulations", IEEE Computer Graphics and Applications, March-April 1998. [PDF][BibTeX]

K. Keahey, P. Beckman and J. Ahrens, "Ligature: Component Architecture for High-Performance Applications", 1st NASA Workshop on Performance-Engineered Information Systems, September 1998. [PDF][BibTeX]

J. Ahrens and J. Painter, "Efficient Sort-Last Rendering Using Compression-Based Image Compositing", Second Eurographics Workshop on Parallel Graphics and Visualization, September 1998. [PDF][BibTeX]


1997

J. Ahrens, P. McCormick, J. Bossert, J. Reisner, J. Winterkamp, "Case Study: Wildfire Visualization", Proceedings of IEEE Visualization 1997, pp. 451-454, October 1997. [PDF][BibTeX]


1996

R. Jakobovits, L. Lewis, J. Ahrens, L. Shapiro, S. Tanimoto and J. Brinkley, "A Visual Database Environment for Scientific Research", Journal of Visual Languages and Computing, Vol. 7, pp. 361-375, 1996. [PDF][BibTeX]


1995

J. Ahrens and C. Hansen, "Cost-Effective Data-Parallel Load Balancing", International Conference on Parallel Processing, Vol. 2, pp. 218-21, August 1995. [PDF][BibTeX]


1994

L. Shapiro, S. Tanimoto, J. Brinkley, J. Ahrens, R. Jakobovits and L. Lewis, "A Visual Database System for Data and Experiment Management in Model-Based Computer Vision", Second CAD-Based Vision Workshop, pp. 64-72, February 1994. [PDF][BibTeX]


1993

F. Ortega, C. Hansen and J. Ahrens, "Fast Data Parallel Polygon Rendering", IEEE Supercomputing, pp. 709-18, November 1993. [PDF][BibTeX]

Top of page

Operated by Los Alamos National Security, LLC for the U.S. Department of Energy's NNSA

Inside | © Copyright 2009-10 Los Alamos National Security, LLC All rights reserved | Disclaimer/Privacy | Web Contact