Google as a diagnostic decision support system? It's not as good a result as thatachieved by ISABEL, but the key point is not that Google only scored 58% but that it scored as much as 58% on a (complex) task it was not designed to do. Part of the explanation for this must be the volume effect noted in the talk on Google and Artifical Intelligence noted in a recent post on this site. I don't know if it is sensible to think of Google as helping with diagnoses. But let's just assume it will be used that way, and so a role for health librarians (see comments to the BMJ article) is not to fret about their failure to connect with users, but to improve the search tools that users choose.

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