That's not how Google does it. Try spelling errors with Google Search. Google do... | Hacker News

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Animats on Sept 8, 2016 | parent | context | favorite | on: How to Write a Spelling Corrector

That's not how Google does it. Try spelling errors with Google Search. Google does multi-word spelling correction.

majewsky on Sept 8, 2016 [–]

I guess that Google looks at each word individually. And what Google does is intriguingly simple: When they see someone do two similar searches from the same person, where the second search has way more results, they record the first search as "wrong spelling", and the second one as "correction".

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