新闻纵贯线 Today updated 20:00 2017/05/26（在线收听）

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Welcome to 'Today' - an hour of world news and analysis -- from a different perspective. I'm Suyi.

Coming up: Google's artificial intelligence program, AlphaGo, has beaten Chinese Go master Ke Jie for a second time.The best of three series is meant to test the limits of computers in taking on humans at complex tasks.The victory over the world's top player comes after the AI program from Google's DeepMind unit bested a South Korean Go professional in a similar exhibition match last year.Go is a popular board game in Asian countries and most top-ranked players hail from China, Japan and South Korea.Will artificial intelligence, or AI come a blessing, or a curse for mankind, the world's most celebrated physicist has repeatedly said "be cautious with AI ", but other scientists and technologists have different views.

For more on this, We are now joined on the line by Songsen, Principal Scientist of Tsinghua University；LIN Yili，Vice President of Product Mobvoi, Inc. Beijing；Raul Rojas, Professor of Artificial Intelligence of Freie Universit?t Berlin. Department of Mathematics and Computer Science