Patent ID: 8055655

Claim:
A computer implemented method for selecting a set of related digital content items for a first digital content item, the method comprising: accessing user interactions with digital content items from a plurality of users; selecting a first digital content item from the digital content items; selecting a plurality of second digital content items from the digital content items; identifying co-occurring positive interactions from the plurality of users for pairs of the digital content items, wherein a co-occurring positive interaction for a pair indicates user interest in both the first digital content item and a second digital content item from the plurality of second digital content items within a locality of time; storing a count of a number of co-occurring positive interactions from the plurality of users for the pairs of the digital content items; ranking the plurality of second digital content items included in the pairs of the digital content items, the ranking based at least in part on the count of the number of co-occurring positive interactions between the first digital content item and the second digital content item included in each pair; selecting the set of related digital content items for the first digital content item from the ranked plurality of second digital content items based at least in part on the ranked count of the number of co-occurring positive interactions for the pairs of digital content items; and storing the set of related digital content items for the first digital content item.