@ARTICLE{cheng08ai, author = {Eyke H\"ullermeier and Johannes F\"urnkranz and Weiwei Cheng and Klaus Brinker}, title = {Label ranking by learning pairwise preferences}, journal = {Aritificial Intelligence}, year = {2008}, volume = {172}, pages = {1897--1916}, number = {16-17}, note = {Elsevier} }