1. A computer-implemented method, comprising: obtaining, by a first computing device, an image depicting a plurality of items; obtaining, by the first computing device, data derived from a plurality of reference images, individual ones of the plurality of reference images being associated with a corresponding one of a plurality of reference items, the data being obtained from a second computing device; identifying, by the first computing device, the plurality of items from the image based at least in part on the data derived from the plurality of reference images; associating, by the first computing device, catalog data with the image, the catalog data corresponding to the plurality of items; adding, by the first computing device, the catalog data to an electronic catalog in an electronic marketplace; determining a corresponding sales success factor for individual ones of the plurality of items based at least in part on customer feedback associated with the catalog data; obtaining an indication that the identifying was incorrectly performed; and tracking, responsive to the indication, the image as a misidentified image.