@patent{WesEliSchPer09, 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 7624074}, month = nov, year = {2009}, doi = {}, month_numeric = {11} }