Free On-line Dictionary of Computing:
qpe
1. A two-dimensional pictorial query language.
["Pictorial Information Systems", S.K. Chang et al eds,
Springer 1980].
[Q-systems. A. Colmerauer, 1969].
2. A rewrite system with {one-way unification}, used for
English-French translation. It led to
Prolog
.
["The Birth of Prolog" A. Colmerauer et al, SIGPLAN Notices
28(3):37-52 March 1993].
(2003-12-25)
