Empirical Studies of Discourse Representations for Natural Language Interfaces Nils Dahlbäck author Arne Jönsson author 1989-04 text Fourth Conference of the European Chapter of the Association for Computational Linguistics Harold Somers editor Mary McGee Wood editor Association for Computational Linguistics Manchester, England conference publication dahlback-jonsson-1989-empirical https://aclanthology.org/E89-1039/ 1989-04