Predictive retargeting system and method

Abstract

A method of detecting interest in a topic by user devices of a discoverable network includes building by a target server a vector index of articles accessible on a digital data network, querying for an item the vector index over the digital data network by a device, obtaining a set of articles by the target server corresponding to the item, feeding back by the target server over the digital data network, identifiers of the set of articles, to a network server of the discoverable network communicatively connected to the digital data network. The method may also include making accessible by the network server a set of addresses for user devices interacting with articles of the set of articles. The set of addresses of the user devices may be used for retargeting advertisements relevant to the topic.

Dependencies are inferred from the claim text.