limitations, we have been unable to present a number of its important features and control constructs. We recommend that the interested reader pursue some of the many excellent texts available...

limitations, we have been unable to present a number of its important features and control constructs. We recommend that the interested reader pursue some of the many excellent texts available including Programming in Prolog (Clocksin and Mellish 2003), Computing with Logic (Maier and Warren 1988), The Art of Prolog (Sterling and Shapiro 1986), The Craft of Prolog (O’Keefe 1990), Techniques of Prolog Programming (VanLe 1993), Mastering Prolog (Lucas 1996), or Advanced Prolog: Techniques and Examples (Ross 1989), Knowledge Systems through Prolog (King 1991), and Natural Language Processing in Prolog (Gazdar and Mellish 1989).