@incollection{NIPS2005_540,
 author = {Dengyong {Zhou} and Bernhard {Sch\"{o}lkopf} and Thomas {Hofmann}},
 title = {Semi-supervised Learning on Directed Graphs},
 booktitle = {Advances in Neural Information Processing Systems 17},
 editor = {Lawrence K. Saul and Yair Weiss and {L\'{e}on} Bottou},
 publisher = {MIT Press},
 address = {Cambridge, MA},
 pages = {1633-1640},
 year = {2005},
 original = "1633_540.PDF",

}