[bcleary]

Thanks for the comments and votes. By the way if anybody is interested this was presented as part of the mining challenge at MSR2013 http://2013.msrconf.org/challenge.php and here is the paper http://thechiselgroup.org/2013/03/27/a-study-of-innovation-d...

[denzil_correa]

I was just about to ask this question! I read that paper and found it quite interesting.