@InProceedings{stoica-hearst-richardson:2007:main,
  author    = {Stoica, Emilia  and  Hearst, Marti  and  Richardson, Megan},
  title     = {Automating Creation of Hierarchical Faceted Metadata Structures},
  booktitle = {Human Language Technologies 2007: The Conference of the North American Chapter of the Association for Computational Linguistics; Proceedings of the Main Conference},
  month     = {April},
  year      = {2007},
  address   = {Rochester, New York},
  publisher = {Association for Computational Linguistics},
  pages     = {244--251},
  url       = {http://www.aclweb.org/anthology/N/N07/N07-1031}
}