Prolog programming tutorial and online book.

A comparison of several Prolog systems from a beginners perspective

article by Roberto Bagnara.

Open Source AI projects in Prolog.

Intelligent Reasoning by Example.

14th International Conference of Applications of Prolog. University of Tokyo, Japan, October 20 - 22, 2001.

A study of the efficiency of various parsing techniches in Prolog, e.g. top-down, bottom-up, oracles, prediction, left-corner, chart. Also a comparison with Lisp. Examples in Prolog and Lisp.

Prolog Instruction Set, Technical Note, SRI International Artificial Intelligence Center, D.S. Warren, S. Dietrich, F. Pereira. The SB Prolog System, SUNY at Stony Brook. Several references for this Prolog.

For Prolog.

The Techref page regarding Prolog. Word Prolog meanings. Links.