Computers have become so smart during the past 20 years that people donsa国际传媒檛 think twice about chatting with digital assistants like Alexa and Siri or seeing their friends automatically tagged in Facebook pictures.
But making those quantum leaps from science fiction to reality required hard work, including from a pair of pioneering Canadian computer scientists: the Universite de Montrealsa国际传媒檚 Yoshua Bengio and the University of Torontosa国际传媒檚 Geoffrey Hinton.
The duo tapped into their own brainpower to make it possible for machines to learn like humans, a breakthrough now commonly known as sa国际传媒渁rtificial intelligence,sa国际传媒� or AI. In the process, they paved the way for Montreal and Toronto to become hubs of AI innovation, attracting graduate students, startups and tech giants to their respective cities.
Their insights and persistence sa国际传媒� along with that of Yann LeCun of New York University and Facebook sa国际传媒� were rewarded Wednesday with the Turing Award, an honour that has become known as technology industrysa国际传媒檚 version of the Nobel Prize. It comes with a $1 million prize funded by Google.
The award marks the latest recognition of the instrumental role that artificial intelligence will likely play in redefining the relationship between humanity and technology in the decades ahead.
sa国际传媒淎rtificial intelligence is now one of the fastest-growing areas in all of science and one of the most talked-about topics in society,sa国际传媒� said Cherri Pancake, president of the Association for Computing Machinery, the group behind the Turing Award.
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Although they have known each other for than 30 years, Bengio, Hinton and LeCun have mostly worked separately on technology known as neural networks. These are the electronic engines that power tasks such as facial and speech recognition, areas where computers have made enormous strides over the past decade. Such neural networks also are a critical component of robotic systems that are automating a wide range of other human activity, including driving.
Their belief in the power of neural networks was once mocked by their peers, Hinton said. No more. He now works at Google as a vice-president and senior fellow while LeCun is chief AI scientist at Facebook. Bengio remains immersed in academia as a Universite de Montreal professor in addition to serving as scientific director at the Quebec Artificial Intelligence Institute.
sa国际传媒淔or a long time, people thought what the three of us were doing was nonsense,sa国际传媒� Hinton said in an interview with The Associated Press. sa国际传媒淭hey thought we were very misguided and what we were doing was a very surprising thing for apparently intelligent people to waste their time on. My message to young researchers is, donsa国际传媒檛 be put off if everyone tells you what are doing is silly.sa国际传媒�
Now, some people are worried that the results of the researcherssa国际传媒� efforts might spiral out of control.
While the AI revolution is raising hopes that computers will make most peoplesa国际传媒檚 lives more convenient and enjoyable, itsa国际传媒檚 also stoking fears that humanity eventually will be living at the mercy of machines.
Bengio, Hinton and LeCun share some of those concerns sa国际传媒� especially the doomsday scenarios that envision AI technology developed into weapons systems that wipe out humanity.
But they are far more optimistic about the other prospects of AI sa国际传媒� empowering computers to deliver more accurate warnings about floods and earthquakes, for instance, or detecting health risks, such as cancer and heart attacks, far earlier than human doctors.
sa国际传媒淥ne thing is very clear, the techniques that we developed can be used for an enormous amount of good affecting hundreds of millions of people,sa国际传媒� Hinton said.
Michael Liedtke, The Associated Press
ashley.wadhwani@bpdigital.ca
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