SIR (Semantic Information Retrieval), a computer program that is designed using LISP language. It receives instructions from the human agent and answers the queries by expressing results into a restricted English language sequence. The semantics and deductive capability of the SIR computer program depend upon the program’s internal model’s construction design that contains property lists and word associations. SIR program has played a major role in human-machine communication. Read more

June, 1964