@incollection {NIPS2003_AA03,
  author = " David Blei and  Thomas L. Griffiths and  Michael I. Jordan and  Joshua B. Tenenbaum",
  title = " Hierarchical Topic Models and the Nested Chinese Restaurant Process",
  booktitle = "Advances in Neural Information Processing Systems 16",
  editor = "Sebastian Thrun and Lawrence Saul and Bernhard {Sch\"{o}lkopf}",
  publisher = "MIT Press",
  address = "Cambridge, MA",
  year = "2004",
  keywords = "infinite mixtures, hierarchical clustering, Gibbs sampling, text clustering",
  }