Turing's original 1950 article on machine intelligence, where he introduces the famous Turing Test, and started this profound multi-decade debate. http://www.abelard.org/turpap/turpap.htm
This document examines the meaning of the Turing test and suggests that meeting the turing test is already in the process of being achieved. http://www.abelard.org/turing/tur-hi.htm
An inversion of the Turing Test which requires users to prove to a chatbot that they are human. Also features background information and conversation samples. http://www.mrmind.com/