@InProceedings{ Purver04Catalog,
  author = "Purver, Matthew",
  title = "{CLARIE}: the {C}larification {E}ngine",
  year = 2004,
  booktitle = "Proceedings of the 8th {SEMDIAL} Workshop on the Semantics and Pragmatics of Dialogue ({C}atalog)",
  address = "Barcelona, Spain",
  month = jul,
  pages = "77--84",
  annote = "ISBN 84-609-2205-7",
  isbn = "84-609-2205-7",
  url = "http://www.eecs.qmul.ac.uk/~mpurver/papers/purver04catalog.pdf"
}