Other PROLOG resources on the web
at the world wide web Virtual Library: Logic Programming
The most expanse (by far) site of information and links on Prolog.
A Prolog course at the University of Birmingham in the UK
A good source for Prolog and Logic info.
Prolog a first course
Another course site with some great information. This one is from the University of Leeds in England.
Deja News: comp.lang.prolog
A news group and message posting on Prolog at Deja News.
Journal of Logic Programming
Elsevier Science's electronic post of the Journal of Logic Programming. There are many full text articles posted on this site, not just abstracts.