Google has outlined a method to rank search results by factual accuracy, but if the hope is to dispel mistruths in political and social debates it’s unlikely to work. In fact, it could contribute more to the problem.Researchers at Google have outlined a new method of ranking search results on the basis of the factual accuracy of content.A new paper by the search giant’s scientists suggests that the number of incorrect facts on a particular page could be tallied, using that as a proxy for trustworthiness. In theory, popular but unreliable sites would then drop down the listings so that your results would be dominated by sources you could trust.
http://www.abc.net.au/news/2015-03-06/sparrow-google-seeks-a-higher-truth-but-will-struggle-to-get-it/6285054