By Peter Harrington
This article, related to Machine Learning in Action, discusses the inner workings of Watson, the computer built by IBM to compete in Jeopardy! and beat the two greatest human players the game has ever known. Watson’s achievement was building a massive system that could quickly generate an answer or choose not to answer. Watson used the computing power to run multiple natural language processing algorithms on a question and combine the answers from these algorithms.

Machine Learning with Watson: The Greatest Achievement of Artificial Intelligence to Date (PDF)