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Google Brain is a deep learning research project at Google. ==History== The so-called "Google Brain" project began in 2011 as a part-time research collaboration between Google Fellow Jeff Dean, Google Researcher Greg Corrado, and Stanford University professor Andrew Ng.〔(【引用サイトリンク】url=https://www.youtube.com/watch?v=KELYHjq9Gbs )〕〔〔 Ng had been interested in using deep learning techniques to crack the problem of artificial intelligence since 2006, and in 2011 began collaborating with Dean and Corrado to build a large-scale deep learning software system, DistBelief, on top of Google's cloud computing infrastructure. The effort became a successful Google X project, and was said to have paid for the entire cost of Google X by Astro Teller. In June 2012, the ''New York Times'' reported that a cluster of 16,000 computers dedicated to mimicking some aspects of human brain activity had successfully trained itself to recognize a cat based on 10 million digital images taken from YouTube videos. The story was also covered by National Public Radio and SmartPlanet. In March 2013, Google hired Geoffrey Hinton, a leading researcher in the deep learning field, and acquired the company DNNResearch Inc. headed by Hinton. Hinton said that he would be dividing his future time between his university research and his work at Google. On 26 January 2014, multiple news outlets stated that Google had purchased DeepMind Technologies for an undisclosed amount. Analysts later announced that the company was purchased for £400 Million ($650M USD / €486M), although later reports estimated the acquisition was valued at over £500 Million.〔(【引用サイトリンク】url=http://www.theguardian.com/technology/2014/jan/27/google-acquires-uk-artificial-intelligence-startup-deepmind )〕〔(【引用サイトリンク】url=http://techcrunch.com/2014/01/26/google-deepmind/ )〕〔(【引用サイトリンク】url=http://www.theverge.com/2014/1/26/5348640/google-deepmind-acquisition-robotics-ai )〕〔(【引用サイトリンク】url=http://arstechnica.com/business/2014/01/google-acquires-ai-pioneer-deepmind-technologies/ )〕 The acquisition reportedly took place after Facebook ended negotiations with DeepMind Technologies in 2013, which resulted in no agreement or purchase of the company.〔(【引用サイトリンク】url=https://www.theinformation.com/Google-beat-Facebook-For-DeepMind-Creates-Ethics-Board )〕 Google has yet to comment or make an official announcement on this acquisition. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Google Brain」の詳細全文を読む スポンサード リンク
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