AI4U author Arthur T. Murray (Mentifex) wrote: geocities.com/ai_project_1/ appears to be an ALICE-type canned-response NLP program that does not use concepts for knowledge-grounding.
If the original poster to whom Martin responded really wants to "create the best NLP program possible" he might consider hosting two separate branches of Perl AI coding -- his own original program and all new work that he adds, plus a conceptual, modular Perlmind program as described at mind.sourceforge.net/perl.html so that the world of Perl coders may have an opportunity to build on his invention of artificial intelligence in Perl via CPAN.