@misc{ duchier-course-oznlp,
  title = {Concurrent Constraint Programming in Oz for Natural Language Processing},
  author = {Denys Duchier and Claire Gardent and Joachim Niehren},
  note = {Course Material},
  year = {1998},
  howpublished = {Course given at the Universit{\"a}t des Saarlandes (1999,2000,2001)}}