Selection of content items based on internet activity data aggregated from a content provider network

摘要

Systems and methods of selecting content items for an online ad campaign in a computerized network environment are described herein. The system can receive, from a first content provider, an event call. The event call can include an identifier and an action type. The system can receive, from a client device, a request for content, the client device associated with the identifier. The system can determine a similarity between the action type and a relevance keyword. The relevance keyword can be by a second content provider. The system can generate a bid value factor for a content item of the second content provider and a bid value factor based on the semantic similarity. The system can determine a bid value for the content item of the second content provider based on the bid value factor. The system can select, for transmission to the client computing device, the content item.