Eugene Charniak Robert P. Goldman Plan Recognition in Stories and in Life. 343-352 1989 conf/uai/1989 UAI http://uai.sis.pitt.edu/displayArticleDetails.jsp?mmnu=1&smnu=2&article_id=1888&proceeding_id=1005 db/conf/uai/uai1989.html#CharniakG89