Quick comment; I'm still having a lot of questions with the problem of combining estimate probability distributions. If any of you know of good research on how to combined large group estimates / probability distributions I would be very interested. I realize that the field of 'decision research' and similar is quite significant, but the specific math for combining probabilistic estimates is something I'm having a hard time finding literature on. (Much of this may be because a lot of it is behind academic paywalls)