@INPROCEEDINGS{michelson:iiweb2009,
  author = {Matthew Michelson and Sofus~A. Macskassy and Steven N. Minton},
  title = { Flexible Query Formulation for Federated Search},
  booktitle = {Proceedings of the 7th Workshop on Information Integration on the Web (IIWeb)},
  year = {2009},
  address = {Pasadena, CA}
}