@inproceedings{morgan-greiff-henderson:2004:HLTNAACL,
  author    = {Morgan, William  and  Greiff, Warren  and  Henderson, John},
  title     = {Direct Maximization of Average Precision by Hill-Climbing, with a Comparison to a Maximum Entropy Approach},
  booktitle = {HLT-NAACL 2004: Short Papers},
  editor = {Susan Dumais, Daniel Marcu and Salim Roukos},
  year      = 2004,
  month     = {May 2 - May 7},
  address   = {Boston, Massachusetts, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {93--96}
}