%0 Journal Article %J FOSS4G 2010 %D 2010 %T Tuning Principal Component Analysis for GRASS GIS on Multi-core and GPU Architectures %A Peng Du %A Matthew Parsons %A Erika Fuentes %A Shih-Lung Shaw %A Jack Dongarra %K magma %B FOSS4G 2010 %C Barcelona, Spain %8 2010-09 %G eng