Elizabeth Wu Sanjay Chawla Spatio-Temporal Analysis of the Relationship between South American Precipitation Extremes and the El Niño Southern Oscillation. 685-692 2007 ICDM Workshops http://doi.ieeecomputersociety.org/10.1109/ICDMW.2007.102 conf/icdm/2007w db/conf/icdm/icdmw2007.html#WuC07