@Unpublished{daume04abffs,
  author =       {Hal {Daum\'e III}},
  title =        {Carefully Approximated {Bayes} Factors for Feature Selection in MaxEnt Models},
  note =         {Available at \url{http://www.isi.edu/~hdaume/docs/daume04abffs.ps}},
  month =        {November},
  year =         {2004}
}