An Evolutionary System for On-line Programming AESOP <database> (AESOP) An early interactive {query system} on the {IBM 1800} using a {light pen}. ["AESOP: A Final Report: A Prototype Interactive Information Control System", J.K. Summers et al, in Information System Science and Technology, D. Walker ed, 1967]. [Sammet 1969, p. 703]. (1995-04-04)