@incollection{NIPS2006_574,
 title = {Learning to Rank with Nonsmooth Cost Functions},
 author = {Christopher J.C. Burges and Robert Ragno and Quoc Viet Le},
 booktitle = {Advances in Neural Information Processing Systems 19},
 editor = {B. Sch\"{o}lkopf and J. Platt and T. Hoffman},
 publisher = {MIT Press},
 address = {Cambridge, MA},
 pages = {193--200},
 year = {2007}
}