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Personalized Yelp ratings

June 24, 2009

I had a great conversation last night which at one point verged into the pros and cons of various ratings systems. In particular, we discussed the "star+comment" system used by Yelp, in which between 1 and 5 stars can be assigned in addition to a text comment of arbitrary length. Yelp does some clever things […]

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Firms, or farms?

March 10, 2009

In case anyone missed the reference in the previous post - and it's just too good to be missed - an SEC report from a few months ago revealed some interesting idiosyncracies about S&P's rating process.  The following is a 2007 instant message conversation quoted in the report: Official #1: Btw that deal is ridiculous. […]

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