CHAT is a computer program developed by Communications Canada that provides easy access to electronic information. CHAT provides a natural-language interface that allows users to ask English questions and receive answers. The interface is much easier to use than traditional menu or keyword systems, and it is ideally suited for situations where people have little knowledge of computers. The latest version is available for license. Free access is provided via WWW from debra.dgbt.doc.ca .
Additional information is available from debra.dgbt.doc.ca .
It also produces a frequency index for each word in the text. It displays the original text, the concordance, and the index each in synchronized windows. The latest version is available from the Consortium for Lexical Research . Additional information is available from the Consortium for Lexical Research . Students are asked to develop a new knowledge base for some domain other that the classic psychoanalyst-patient one.