After losing three straight matches, Korean Go world champion Lee Sedol finally broke through Sunday, securing his maiden victory in the fourth match of the five-game series against AlphaGo — the program developed by researchers at Google’s DeepMind division. The victory proves that the computer program, whose development is being hailed as a breakthrough in the field of machine learning and artificial intelligence (AI), is not invincible and that it may still take some time to master the ancient Chinese board game.
