@Article{Modeling_the_user_in_natural_language_systems,
	author = "Robert Kass and Tim Finin",
	title = "{Modeling the user in natural language systems}",
	month = "January",
	year = "1988",
	pages = "5-22",
	number = "3",
	volume = "14",
	journal = "Computational Linguistics ",
	publisher = "MIT Press",
}