Question: Which Canadian province did the famous computer scientist John Tsotsos serve as the Director of the Centre for Vision Research at a famous research university?

Related documents: [0]  [DOC] York University (French: "Université York" ) is a public research university in Toronto, Ontario, Canada. It is Canada's third-largest university. [END] 
[1]  [DOC] John Tsotsos is a Canadian Computer Scientist whose research focuses on the field of Computer Vision. He is best known for his work in visual attention, specifically for establishing the need for visual attention through an argument from computational complexity and subsequently developing a computational framework for neuronal attention known as the Selective Tuning model. He is currently the Canada Research Chair in Computer Vision at York University and served as the Director of the Centre for Vision Research at York University from 2000-2006. He was elected to the Royal Society of Canada in 2010. [END]  
Answer: Ontario
Ontario