Jürgen Branke Salvatore Greco Roman Slowinski Piotr Zielniewicz Interactive Evolutionary Multiobjective Optimization Using Robust Ordinal Regression. 554-568 2009 EMO http://dx.doi.org/10.1007/978-3-642-01020-0_43 conf/emo/2009 db/conf/emo/emo2009.html#BrankeGSZ09