Djoerd Hiemstra, Franciska de Jong, Wessel Kraaij. The twenty-one demonstrator. In Luc Devroye, Claude Chrisment, editors, Computer-Assisted Information Retrieval (Recherche d Information et ses Applications) - RIAO 1997, 5th International Conference, McGill University, Montreal, Canada, June 25-27, 1997. Proceedings. pages 645-647, 1997. [doi]
Abstract is missing.