Patent ID: 8438052

Claim:
A computer-implemented method of selecting items to include in item bundles, the method comprising: maintaining purchase data in computer storage, said purchase data reflective of item purchases of each of a plurality of users; detecting pairwise purchase relationships between particular items based, at least in part, on how frequently particular items are purchased in combination by users, as determined by analyzing said purchase data; identifying, based on the detected pairwise purchase relationships, a set of three pairwise purchase relationships said set composed of a pairwise purchase relationship between a first item and a second item, a pairwise purchase relationship between the first item and a third item, and a pairwise purchase relationship between the second item and the third item, said first, second and third items each having a respective item detail page in an electronic catalog; and based on at least the identified set of three pairwise purchase relationships, supplementing the item detail page of the first item with (1) a description of a three-item bundle composed of the first, second and third items, and (2) an option to select the three-item bundle for purchase; wherein the method, including maintaining the purchase data, detecting the pairwise purchase relationships, identifying the set of three pairwise purchase relationships, and supplementing the item detail page, is performed programmatically by a computerized system that comprises one or more physical computing devices.