That data goofiness issue is pretty much use case #1 for Mechanical Turk. Pay a bunch of people a few cents to do a sensibility check on the data, collect 10 for each item, and put any that are less than 100% through another round.<p>Not even all that expensive. 10 cents each, 75,000 items, 10 checks each. $75,000 is quite a bargain for that kind of data validation.<p>It&#x27;d take a day or two.<p>(There&#x27;s probably some horrible flaw with this idea)