A computer-implemented method, apparatus, and computer-readable media for mapping product records according to attributes in a standard schema, the standard schema mapping product records from a plurality of content providers according to a product hierarchy from each respective content provider, the method including: receiving product data from a plurality of feeds including feeds from one or more content providers; identifying a plurality of product records received from each of the plurality of feeds; identifying a taxonomy of products received in each of the plurality of feeds; and storing product records and corresponding product attributes in a standard schema in a data set for each feed according to the taxonomy identified for each respective feed.