Source : Free On-Line Dictionary of Computing

FOCL
     
        An {expert system shell} and {backward chaining} rule
        {interpreter} for the {Macintosh}.
     
        {(ftp://ics.uci.edu/pub/machine-learning-programs/KR-FOCL-ES.cpt.hqx)}.
     
        E-mail: .
     
        (1994-12-21)