@article {icl:561, title = {Tuning Principal Component Analysis for GRASS GIS on Multi-core and GPU Architectures}, journal = {FOSS4G 2010}, year = {2010}, month = {2010-09}, address = {Barcelona, Spain}, keywords = {magma}, author = {Peng Du and Matthew Parsons and Erika Fuentes and Shih-Lung Shaw and Jack Dongarra} }