Martha S Palmer author Deborah A Dahl author Rebecca J Schiffman author Lynette Hirschman author Marcia Linebarger author John Dowding author 1986-07 text Association for Computational Linguistics New York, New York, USA conference publication palmer-etal-1986-recovering-implicit 10.3115/981131.981135 https://aclanthology.org/P86-1004/ 1986-07 10 19