@Article{ Purver06RoLC,
  author = "Purver, Matthew",
  title = "{CLARIE}: Handling Clarification Requests in a Dialogue System",
  journal = "Research on Language and Computation",
  year = 2006,
  month = oct,
  volume = 4,
  number = "2-3",
  pages = "259--288",
  annote = "ISSN 1570-7075",
  issn = "1570-7075",
  url = "http://www.eecs.qmul.ac.uk/~mpurver/papers/purver06rolc.pdf",
  doi = "10.1007/s11168-006-9006-y",
  url = "http://dx.doi.org/10.1007/s11168-006-9006-y",
}