<sod>AlphaGo's victory was a major milestone in artificial intelligence research.<ref name="latimes milestone">{{cite news|author1=Steven Borowiec|author2=Tracey Lien|title=AlphaGo beats human Go champ in milestone for artificial intelligence|url=http://www.latimes.com/world/asia/la-fg-korea-alphago-20160312-story.html|accessdate=13 March 2016|work=[[Los Angeles Times]]|date=12 March 2016}}</ref> Go had previously been regarded as a hard problem in machine learning that was expected to be out of reach for the technology of the time.<ref name="latimes milestone" /><ref>{{cite news |title=A computer has beaten a professional at the world's most complex board game |url=http://www.independent.co.uk/life-style/gadgets-and-tech/news/google-alphago-computer-beats-professional-at-worlds-most-complex-board-game-go-a6837506.html |newspaper=[[The Independent]] |access-date=28 January 2016 |date=27 January 2016 |last=Connor |first=Steve}}</ref><ref>{{cite news |title=Google's AI beats human champion at Go |url=http://www.cbc.ca/news/technology/alphago-ai-1.3422347 |work=[[CBC News]] |access-date=28 January 2016 |date=27 January 2016}}</ref> Most experts thought a Go program as powerful as AlphaGo was at least five years away;<ref>{{cite news|author1=Dave Gershgorn|title=GOOGLE'S ALPHAGO BEATS WORLD CHAMPION IN THIRD MATCH TO WIN ENTIRE SERIES|url=http://www.popsci.com/googles-alphago-beats-world-champion-in-third-match-to-win-entire-series|accessdate=13 March 2016|work=[[Popular Science (magazine)|Popular Science]]|date=12 March 2016}}</ref> some experts thought that it would take at least another decade before computers would beat Go champions.<ref name="cbc sweeps">{{cite news|title=Google DeepMind computer AlphaGo sweeps human champ in Go matches|url=http://www.cbc.ca/news/technology/go-google-alphago-lee-sedol-deepmind-1.3488913|accessdate=13 March 2016|work=[[CBC News]]|agency=[[Associated Press]]|date=12 March 2016}}</ref><ref>{{cite news|author1=Sofia Yan|title=A Google computer victorious over the world's 'Go' champion|url=http://money.cnn.com/2016/03/12/technology/google-deepmind-alphago-wins/|accessdate=13 March 2016|work=[[CNN Money]]|date=12 March 2016}}</ref> Most observers at the beginning of the 2016 matches expected Lee to beat AlphaGo.<ref name="latimes milestone" /><eod>
<sod>AlphaGo's victory was a major milestone in artificial intelligence research.<ref name="latimes milestone">{{cite news|author1=Steven Borowiec|author2=Tracey Lien|title=AlphaGo beats human Go champ in milestone for artificial intelligence|url=http://www.latimes.com/world/asia/la-fg-korea-alphago-20160312-story.html|accessdate=13 March 2016|work=[[Los Angeles Times]]|date=12 March 2016}}</ref> Go had previously been regarded as a hard problem in machine learning that was expected to be out of reach for the technology of the time.<ref name="latimes milestone" /><ref>{{cite news |title=A computer has beaten a professional at the world's most complex board game |url=http://www.independent.co.uk/life-style/gadgets-and-tech/news/google-alphago-computer-beats-professional-at-worlds-most-complex-board-game-go-a6837506.html |newspaper=[[The Independent]] |access-date=28 January 2016 |date=27 January 2016 |last=Connor |first=Steve}}</ref><ref>{{cite news |title=Google's AI beats human champion at Go |url=http://www.cbc.ca/news/technology/alphago-ai-1.3422347 |work=[[CBC News]] |access-date=28 January 2016 |date=27 January 2016}}</ref> Most experts thought a Go program as powerful as AlphaGo was at least five years away;<ref>{{cite news|author1=Dave Gershgorn|title=Google's AlphaGo Beats World Champion in Third Match to Win Entire Series|url=http://www.popsci.com/googles-alphago-beats-world-champion-in-third-match-to-win-entire-series|accessdate=13 March 2016|work=[[Popular Science (magazine)|Popular Science]]|date=12 March 2016}}</ref> some experts thought that it would take at least another decade before computers would beat Go champions.<ref name="cbc sweeps">{{cite news|title=Google DeepMind computer AlphaGo sweeps human champ in Go matches|url=http://www.cbc.ca/news/technology/go-google-alphago-lee-sedol-deepmind-1.3488913|accessdate=13 March 2016|work=[[CBC News]]|agency=[[Associated Press]]|date=12 March 2016}}</ref><ref>{{cite news|author1=Sofia Yan|title=A Google computer victorious over the world's 'Go' champion|url=http://money.cnn.com/2016/03/12/technology/google-deepmind-alphago-wins/|accessdate=13 March 2016|work=[[CNN Money]]|date=12 March 2016}}</ref> Most observers at the beginning of the 2016 matches expected Lee to beat AlphaGo.<ref name="latimes milestone" /><eod>