Masayuki Karasuyama Ryohei Nakano Optimizing SVR Hyperparameters via Fast Cross-Validation using AOSVR. 1186-1191 2007 IJCNN http://dx.doi.org/10.1109/IJCNN.2007.4371126 conf/ijcnn/2007 db/conf/ijcnn/ijcnn2007.html#KarasuyamaN07