I haven't followed this in much detail yet, but https://thefactual.com/how-it-works https://thefactual.com/how-it-works mentions ranking reporters for their exp

I haven't followed this in much detail yet, but https://thefactual.com/how-it-works https://thefactual.com/how-it-works mentions ranking reporters for their expertise in particular subjects. Saw site mentioned in an HN comment a few weeks ago. So far appears to be an "objective" aggregator.