1. A recognition method useful in matching a first item of visual or audio entertainment content to a counterpart in a universe of second items of visual or audio entertainment content, comprising: receiving fingerprint data derived from first visual or audio entertainment content; identifying plural items of second content that are possible matches of said first content, based on the received fingerprint data; sending to each of one or more human reviewers at least a portion of the first content item, and at least a portion of one of the second content items; collecting assessment data from said one or more reviewers; and using said assessment data in identifying one of said items of second entertainment content that appears to be a best match with said first entertainment content item.