@patent{WesEliSchPer08, title = {Methods for feature selection in a learning machine}, author = {Weston, J. and Elisseeff, A. and Sch{\"o}lkopf, B. and P\'{e}rez-Cruz, F.}, howpublished = {United States Patent, No 7318051}, month = jan, year = {2008}, note = {(expired)}, doi = {}, month_numeric = {1} }