By Nicola Jones
IBM's supercomputer Watson is going up against top players of the US television quiz programme Jeopardy! this week, stirring up excitement in the artificial-intelligence community and prompting computer science departments across the country to gather and watch.
"It is, in my mind, a historic moment," says Oren Etzioni, director of the Turing Center at the University of Washington, Seattle. jeopardy-playing-watson>[More]