David W. Walker

ORCID

Publication Activity (10 Years)

Years Active: 1988-2021
Publications (10 Years): 7

Top Venues

ISBI

Concurr. Comput. Pract. Exp.

Int. J. High Perform. Comput. Appl.

PPAM (2)

Publications

Aklilu Assefa, Alemseged Tamiru Haile, C. T. Dhanya, David W. Walker, John Gowing, Geoff Parkin
Impact of sustainable land management on vegetation cover using remote sensing in Magera micro Watershed, Omo Gibe Basin, Ethiopia. Int. J. Appl. Earth Obs. Geoinformation 103 (2021)
David W. Walker, Stephan C. Kramer, Fabian R. A. Biebl, Paul D. Ledger, Malcolm Brown
Accelerating magnetic induction tomography-based imaging through heterogeneous parallel computing. Concurr. Comput. Pract. Exp. 31 (17) (2019)
Ibrahim Al-Kharusi, David W. Walker
Locality properties of 3D data orderings with application to parallel molecular dynamics simulations. Int. J. High Perform. Comput. Appl. 33 (5) (2019)
Fred G. Gustavson, David W. Walker
Algorithms for in-place matrix transposition. Concurr. Comput. Pract. Exp. 31 (13) (2019)
David W. Walker
Morton ordering of 2D arrays for efficient access to hierarchical memory. Int. J. High Perform. Comput. Appl. 32 (1) (2018)
Rosita Shishegar, Anand A. Joshi, Mary Tolcos, David W. Walker, Leigh A. Johnston
Automatic segmentation of fetal brain using diffusion-weighted imaging cues. ISBI (2017)
Rosita Shishegar, Mary Tolcos, David W. Walker, Leigh A. Johnston
Sulcal curve extraction using Laplace Beltrami eigenfunction level sets. EMBC (2016)
Rosita Shishegar, Jonathan H. Manton, David W. Walker, Joanne M. Britto, Leigh A. Johnston
Quantifying gyrification using Laplace Beltrami eigenfunction level-sets. ISBI (2015)
Fred G. Gustavson, David W. Walker
Algorithms for In-Place Matrix Transposition. PPAM (2) (2013)
Asma Al-Saidi, David W. Walker, Omer F. Rana
On-demand transmission model for remote visualization using image-based rendering. Concurr. Comput. Pract. Exp. 24 (18) (2012)
Gagarine Yaikhom, David W. Walker, Coral Walker
Improving Parallelisation of a Monte Carlo Radiotherapy Simulation Using MPI. IPDPS Workshops (2012)
Coral Walker, Dashan Lu, David W. Walker
Automatic Portal Generation Based on Workflow Description. Parallel Process. Lett. 21 (2) (2011)
Martin J. Chorley, David W. Walker
Performance analysis of a hybrid MPI/OpenMP application on multi-core clusters. J. Comput. Sci. 1 (3) (2010)
Martin J. Chorley, David W. Walker, Martyn F. Guest
Hybrid Message-Passing and Shared-Memory Programming in a Molecular Dynamics Application On Multicore Clusters. Int. J. High Perform. Comput. Appl. 23 (3) (2009)
Thomas H. Beach, Ian J. Grimstead, David W. Walker, Nick J. Avis
Abstraction of Programming Models Across Multi-Core and GPGPU Architectures. PARCO (2009)
Guangqiang Geng, Leigh A. Johnston, Edwin Yan, Joanne M. Britto, David W. Smith, David W. Walker, Gary F. Egan
Biomechanisms for modelling cerebral cortical folding. Medical Image Anal. 13 (6) (2009)
Ian J. Grimstead, Nick J. Avis, David W. Walker
RAVE: the resource-aware visualization environment. Concurr. Comput. Pract. Exp. 21 (4) (2009)
Maria Lin, David W. Walker
GECEM: A portal-based Grid application for computational electromagnetics. Future Gener. Comput. Syst. 24 (1) (2008)
Coral Walker, David W. Walker
Integration and Data Sharing between WS-Based Workflows. ICWS (2008)
Gagarine Yaikhom, Jonathan Giddy, David W. Walker, Patrick Downes
A distributed simulation framework for conformal radiotherapy. IPDPS (2008)
Lican Huang, Asif Akram, Rob Allan, David W. Walker, Omer F. Rana, Yan Huang
A workflow portal supporting multi-language interoperation and optimization. Concurr. Comput. Pract. Exp. 19 (12) (2007)
David W. Walker, Malcolm P. Atkinson, Ian Sommerville
Special Issue: Selected Papers from the 2004 U.K. e-Science All Hands Meeting (AHM 2004). Concurr. Comput. Pract. Exp. 19 (2) (2007)
David W. Walker, Lican Huang, Omer F. Rana, Yan Huang
Dynamic service selection in workflows using performance data. Sci. Program. 15 (4) (2007)
Ian J. Grimstead, David W. Walker, Nick J. Avis, Frederic Kleinermann, John McClure
3D Anatomical Model Visualization within a Grid-Enabled Environment. Comput. Sci. Eng. 9 (5) (2007)
Ian J. Grimstead, Sanjay Kharche, Henggui Zhang, Nick J. Avis, David W. Walker
Viewing 0.3Tb Heart Simulation Data At Your Desk. TPCG (2007)
David W. Walker
Lessons Learned from the GECEM Project. Grid-Based Problem Solving Environments (2006)
Kaizar Amin, Gregor von Laszewski, Mihael Hategan, Rashid J. Al-Ali, Omer F. Rana, David W. Walker
An abstraction model for a Grid execution framework. J. Syst. Archit. 52 (2) (2006)
Lican Huang, David W. Walker, Omer F. Rana, Yan Huang
Dynamic Workflow Management Using Performance Data. CCGRID (2006)
Ali Shaikh Ali, Shalil Majithia, Omer F. Rana, David W. Walker
Reputation-based semantic service discovery. Concurr. Comput. Pract. Exp. 18 (8) (2006)
Yanyan Yang, Omer F. Rana, David W. Walker, Roy Williams, Christos Georgousopoulos, Massimo Cafaro, Giovanni Aloisio
An agent infrastructure for on-demand processing of remote-sensing archives. Int. J. Digit. Libr. 5 (2) (2005)
David W. Walker, Elias N. Houstis
Complex problem-solving environments for Grid computing. Future Gener. Comput. Syst. 21 (6) (2005)
Ian J. Grimstead, David W. Walker, Nick J. Avis
Collaborative Visualization: A Review and Taxonomy. DS-RT (2005)
Shrideep Pallickara, Geoffrey C. Fox, Ahmet Uyar, Hongbin Liu, Xi Rao, David W. Walker, Beytullah Yildiz
Performance of a possible Grid message infrastructure. Concurr. Pract. Exp. 17 (2-4) (2005)
Ian J. Grimstead, Nick J. Avis, David W. Walker
Visualization across the pond: how a wireless PDA can collaborate with million-polygon datasets via 9, 000km of cable. Web3D (2005)
Maria Lin, David W. Walker, Yu Chen, Jason W. Jones
A grid-based problem solving environment for GECEM. CCGRID (2005)
Rashid J. Al-Ali, Abdelhakim Hafid, Omer F. Rana, David W. Walker
An approach for quality of service adaptation in service-oriented Grids. Concurr. Pract. Exp. 16 (5) (2004)
Ian J. Grimstead, Nick J. Avis, David W. Walker
Automatic Distribution of Rendering Workloads in a Grid Enabled Collaborative Visualization Environment. SC (2004)
Shalil Majithia, Ali Shaikh Ali, Omer F. Rana, David W. Walker
Reputation-Based Semantic Service Discovery. WETICE (2004)
Rashid J. Al-Ali, Gregor von Laszewski, Kaizar Amin, Mihael Hategan, Omer F. Rana, David W. Walker, Nestor J. Zaluzec
QoS support for high-performance scientific Grid applications. CCGRID (2004)
Shalil Majithia, David W. Walker, W. A. Gray
A Framework for Automated Service Composition in Service-Oriented Architectures. ESWS (2004)
Maozhen Li, David W. Walker, Omer F. Rana, Yan Huang
Migrating legacy codes to distributed computing environments: a CORBA approach. Inf. Softw. Technol. 46 (7) (2004)
Maozhen Li, P. van Santen, David W. Walker, Omer F. Rana, Mark A. Baker
SGrid: a service-oriented model for the Semantic Grid. Future Gener. Comput. Syst. 20 (1) (2004)
Shalil Majithia, David W. Walker, W. A. Gray
Automating Scientific Experiments on the Semantic Grid. ISWC (2004)
Rashid J. Al-Ali, Kaizar Amin, Gregor von Laszewski, Omer F. Rana, David W. Walker, Mihael Hategan, Nestor J. Zaluzec
Analysis and Provision of QoS for Distributed Grid Applications. J. Grid Comput. 2 (2) (2004)
Shalil Majithia, David W. Walker, W. A. Gray
Automated Web Service Composition Using Semantic Web Technologies. ICAC (2004)
Maozhen Li, P. van Santen, David W. Walker, Omer F. Rana, Mark A. Baker
PortalLab: A Web Services Toolkit for Building Semantic Grid Portals. CCGRID (2003)
Ali Shaikh Ali, Omer F. Rana, Rashid J. Al-Ali, David W. Walker
UDDIe: An Extended Registry for Web Service. SAINT Workshops (2003)
Rashid J. Al-Ali, Ali Shaikh Ali, Omer F. Rana, David W. Walker
Supporting QoS-Based Discovery in Service-Oriented Grids. IPDPS (2003)
Yan Huang, David W. Walker, Omer F. Rana
Object-oriented distributed computing based on remote class reference. Concurr. Comput. Pract. Exp. 15 (1) (2003)
Maozhen Li, David W. Walker, Omer F. Rana, Yan Huang, P. T. Williams, R. C. Ward
Engineering high-performance legacy codes as CORBA components for problem-solving environments. J. Parallel Distributed Comput. 63 (11) (2003)
Yan Huang, David W. Walker
Extensions to Web Service Techniques for Integrating Jini into a Service-Oriented Architecture for the Grid. International Conference on Computational Science (2003)
Yan Huang, Ian J. Taylor, David W. Walker, Robert Davies
Wrapping Legacy Codes for Grid-Based Applications. IPDPS (2003)
David W. Walker
Grid Computing: Infrastructure and Applications. Int. J. High Perform. Comput. Appl. 17 (3) (2003)
Rashid J. Al-Ali, Kaizar Amin, Gregor von Laszewski, Omer F. Rana, David W. Walker
An OGSA-Based Quality of Service Framework. GCC (2) (2003)
Geoffrey C. Fox, Shrideep Pallickara, Marlon E. Pierce, David W. Walker
Towards dependable grid and web services. Ubiquity 2003 (August) (2003)
Rashid J. Al-Ali, Abdelhakim Hafid, Omer F. Rana, David W. Walker
QoS Adaptation in Service-Oriented Grids. Middleware Workshops (2003)
Rashid J. Al-Ali, Omer F. Rana, David W. Walker, Sanjay Jha, Shaleeza Sohail
G-QoSM: Grid Service Discovery Using QoS Properties. Comput. Artif. Intell. 21 (4) (2002)
Yanyan Yang, Omer F. Rana, David W. Walker, Christos Georgousopoulos, Giovanni Aloisio, Roy Williams
Agent based data management in digital libraries. Parallel Comput. 28 (5) (2002)
Jack J. Dongarra, David W. Walker
The quest for petascale computing. Comput. Sci. Eng. 3 (3) (2001)
Omer F. Rana, Daniel Bunford-Jones, Kenneth A. Hawick, David W. Walker, Matthew Addis, Mike Surridge
Resource Discovery for Dynamic Clusters in Computational Grids. IPDPS (2001)
Maozhen Li, Omer F. Rana, David W. Walker
Wrapping MPI-based legacy codes as Java/CORBA components. Future Gener. Comput. Syst. 18 (2) (2001)
David W. Walker
The Grid, Virtual Organizations, and Problem-Solving Environments. CLUSTER (2001)
David W. Walker, Kenneth A. Hawick, Domenico Laforenza, Efstratios Gallopoulos
Topic 19: Problem Solving Environments. Euro-Par (2001)
Alexander Reinefeld, Omer F. Rana, Jarek Nabrzyski, David W. Walker
Topic 17: Metacomputing and Grid Computing. Euro-Par (2001)
Omer F. Rana, David W. Walker
Agent based Service Integration for Distributed Problem Solving Environments. HICSS (2001)
Omer F. Rana, David W. Walker
Software Infrastructure for Service and Device Management in Wireless Networks. International Conference on Internet Computing (1) (2001)
Omer F. Rana, Maozhen Li, Matthew S. Shields, David W. Walker, David Golby
Implementing Problem Solving Environments for Computational Science (Research Note). Euro-Par (2000)
José C. Cunha, David W. Walker, Thierry Priol, Wolfgang Gentzsch
Problem Solving Environments. Euro-Par (2000)
David W. Walker, Maozhen Li, Omer F. Rana, Matthew S. Shields, Yan Huang
The software architecture of a distributed problem-solving environment. Concurr. Pract. Exp. 12 (15) (2000)
Maozhen Li, Omer F. Rana, Matthew S. Shields, David W. Walker
A Wrapper Generator for Wrapping High Performance Legacy Codes as Java/CORBA Components. SC (2000)
Omer F. Rana, David W. Walker, Maozhen Li, Steven J. Lynden, Mike Ward
PaDDMAS: Parallel and Distributed Data Mining Application Suite. IPDPS (2000)
Matthew S. Shields, Omer F. Rana, David W. Walker, David Golby
A Collaborative Code Development Environment for Computational Electro-magnetics. The Architecture of Scientific Software (2000)
Matthew S. Shields, Omer F. Rana, David W. Walker, Maozhen Li, David Golby
A Java/CORBA-based visual program composition environment for PSEs. Concurr. Pract. Exp. 12 (8) (2000)
Yanyan Yang, Omer F. Rana, Christos Georgousopoulos, David W. Walker, Roy Williams
Mobile Agents and the SARA Digital Library. ADL (2000)
Line Pouchard, David W. Walker
A Community of Agents for User Support in a Problem-Solving Environment. Agents Workshop on Infrastructure for Multi-Agent Systems (2000)
Omer F. Rana, Daniel Bunford-Jones, David W. Walker, Matthew Addis, Mike Surridge, Kenneth A. Hawick
Agent based Resource Discovery for Dynamic Clusters. CLUSTER (2000)
Omer F. Rana, Maozhen Li, David W. Walker, Matthew S. Shields
An XML Based Component Model for Generating Scientific Applications and Performing Large Scale Simulations in a Meta-computing Environment. GCSE (1999)
David W. Walker, Omer F. Rana
The Use of JAVA in High Performance Computing: A Data Mining Example. HPCN Europe (1999)
Omer F. Rana, David W. Walker
Bringing Together Mobile Agents and Data Analysis in PSEs. PDPTA (1999)
L. Susan Blackford, Jaeyoung Choi, Andrew J. Cleary, Eduardo F. D'Azevedo, James Demmel, Inderjit S. Dhillon, Jack J. Dongarra, Sven Hammarling, Greg Henry, Antoine Petitet, Ken Stanley, David W. Walker, R. Clinton Whaley
ScaLAPACK: A Linear Algebra Library for Message-Passing Computers. PPSC (1997)
Jack J. Dongarra, Sven Hammarling, David W. Walker
Key Concepts for Parallel Out-of-Core LU Factorization. Parallel Comput. 23 (1-2) (1997)
Jaeyoung Choi, Jack J. Dongarra, David W. Walker
PB-BLAS: a set of parallel block basic linear algebra subprograms. Concurr. Pract. Exp. 8 (7) (1996)
L. Susan Blackford, Jaeyoung Choi, Andrew J. Cleary, James Demmel, Inderjit S. Dhillon, Jack J. Dongarra, Sven Hammarling, Greg Henry, Antoine Petitet, Ken Stanley, David W. Walker, R. Clinton Whaley
ScaLAPACK: A Portable Linear Algebra Library for Distributed Memory Computers - Design Issues and Performance. SC (1996)
David W. Walker, Steve W. Otto
Redistribution of block-cyclic data distributions using MPI. Concurr. Pract. Exp. 8 (9) (1996)
David W. Walker
Free-market computing and the global economic infrastructure. IEEE Parallel Distributed Technol. Syst. Appl. 4 (3) (1996)
Jaeyoung Choi, Jack J. Dongarra, Susan Ostrouchov, Antoine Petitet, David W. Walker, R. Clinton Whaley
Design and Implementation of the ScaLAPACK LU, QR, and Cholesky Factorization Routines. Sci. Program. 5 (3) (1996)
Jack J. Dongarra, Steve W. Otto, Marc Snir, David W. Walker
A Message Passing Standard for MPP and Workstations. Commun. ACM 39 (7) (1996)
Jaeyoung Choi, Jack J. Dongarra, David W. Walker
Parallel Matrix Transpose Algorithms on Distributed Memory Concurrent Computers. Parallel Comput. 21 (9) (1995)
Jack J. Dongarra, David W. Walker
Software Libraries for Linear Algebra Computations on High Performance Computers. SIAM Rev. 37 (2) (1995)
Jaeyoung Choi, Jack J. Dongarra, Susan Ostrouchov, Antoine Petitet, David W. Walker, R. Clinton Whaley
A Proposal for a Set of Parallel Basic Linear Algebra Subprograms. PARA (1995)
Jaeyoung Choi, James Demmel, Inderjit S. Dhillon, Jack J. Dongarra, Susan Ostrouchov, Antoine Petitet, Ken Stanley, David W. Walker, R. Clinton Whaley
ScaLAPACK: A Portable Linear Algebra Library for Distributed Memory Computers - Design Issues and Performance. PARA (1995)
Jaeyoung Choi, Jack J. Dongarra, David W. Walker
The design of a parallel dense linear algebra software library: Reduction to Hessenberg, tridiagonal, and bidiagonal form. Numer. Algorithms 10 (2) (1995)
Jaeyoung Choi, Jack J. Dongarra, Roldan Pozo, Danny C. Sorensen, David W. Walker
Crpc Research Into Linear Algebra Software for High Performance Computers. Int. J. High Perform. Comput. Appl. 8 (2) (1994)
Jaeyoung Choi, David W. Walker, Jack J. Dongarra
Pumma: Parallel universal matrix multiplication algorithms on distributed memory concurrent computers. Concurr. Pract. Exp. 6 (7) (1994)
Jaeyoung Choi, Jack J. Dongarra, Roldan Pozo, David W. Walker
Constructing Numerical Software Libraries for High-Performance Computing Environments. PARA (1994)
Jaeyoung Choi, David W. Walker, Jack J. Dongarra
The Design of Scalable Software Libraries for Distributed Memory Concurrent Computers. IPPS (1994)
David W. Walker
The Design of a Standard Message Passing Interface for Distributed Memory Concurrent Computers. Parallel Comput. 20 (4) (1994)
Jack J. Dongarra, Robert A. van de Geijn, David W. Walker
Scalability Issues Affecting the Design of a Dense Linear Algebra Library. J. Parallel Distributed Comput. 22 (3) (1994)
Jack J. Dongarra, Roldan Pozo, David W. Walker
LAPACK++: a design overview of object-oriented extensions for high performance linear algebra. SC (1993)
James Demmel, Jack J. Dongarra, Robert A. van de Geijn, David W. Walker
LAPACK for Distributed Memory Architectures: The Next Generation. PPSC (1993)

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Publication Activity (10 Years)

Top Topics

Top Venues

David W. Walker