@InProceedings{li:2009:Tutorials,
  author    = {Li, Hang},
  title     = {Learning to Rank},
  booktitle = {Tutorial Abstracts of ACL-IJCNLP 2009},
  month     = {August},
  year      = {2009},
  address   = {Suntec, Singapore},
  publisher = {Association for Computational Linguistics},
  pages     = {5},
  url       = {http://www.aclweb.org/anthology/P/P09/P09-5005}
}