Among people there are directed and mostly acyclic graphs of deference to greater knowledge of various topics. E.g. my girlfriend would ask me about math questions, and I'd ask friends who'd been math majors, who in turn might ask specialists in some subfield. Weight people's votes on a topic by their position in the graph.
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I think to get wisdom out of really large crowds you need something like pagerank.
Would you please elaborate?
Among people there are directed and mostly acyclic graphs of deference to greater knowledge of various topics. E.g. my girlfriend would ask me about math questions, and I'd ask friends who'd been math majors, who in turn might ask specialists in some subfield. Weight people's votes on a topic by their position in the graph.