jgg     2015 35 (4):  608-612    ISSN: 0412-1961  CN: 21-1139/TG Dam Deformation Prediction Based on Grey Least Square  Support Vector Machines 1 College of Geomatics and Geoinformation, Guilin University of Technology, 12 Jiangan Road,  Guilin 541004, China 2 Guangxi Key Laboratory of Spatial Information and Geomatics, 12 Jiangan Road, Guilin 541004, China Received: 2014-07-10  Revised: null  Online: 2015-07-29 Supporting info