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The Guardian, however, was more measured, with their critic Hugh Hebert predicting it would "probably take a year before anyone knows whether the BBC has got it right".

Major flood warnings remain in place for communities along the Hebert, Ross, Bohle, Horton, and Upper Burdekin rivers.

"We really hope this technology can help reduce the emotional cost of having humans sift through hate speech manually," said Liam Hebert, a Waterloo computer science PhD student and the first author of the study.

"More than three billion people use social media every day," Hebert said.

"Context is very important when understanding hate speech," Hebert said.