Many web sites allow users to casts vote on items. These visitors’ votes are then often used to detect the items’ “popularity” and hence rank the rated items accordingly. And when “rank” comes into play things gets tricky: The system can have inherent deficiencies in ranking items. That is mostly because developers tend to “re-invent the wheel” and throw in their own algorithms instead of basing t
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yass 2013/02/03
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