Empirical Study of Predictive Powers od Simple Attachment Schemes for Post-Modifier Prepositional Phrases. - Greg Whittemore; Kathleen Ferrara; Hans Brunner (ACL, 1990)

An Assessment of Written/Interactive Dialogue for Information Retrieval Applications. - Hans Brunner; Greg Whittemore; Kathleen Ferrara; Jiamiene Hsu (Hum. Comput. Interact., 1992)