It’s no surprise that Google employs artificial intelligence to help parse search queries, but it did surprise me to learn that a full 15% of Google searches are ones its systems have never seen before. It’s these that the company has been decoding with the help of an AI system called RankBrain, reports Bloomberg.

For the past few months, a “very large fraction” of the millions of queries a second that people type into the company’s search engine have been interpreted by an artificial intelligence system, nicknamed RankBrain, said Greg Corrado, a senior research scientist with the company, outlining for the first time the emerging role of AI in search.

As you’d expect, Google uses literally hundreds of different ‘signals’ to make sense of searches, and the vast majority of these are based on discoveries and insights that people in the team have had – but RankBrain is the first system that genuinely learns …  expand full story