IP3 2017-Streaming Media 1

This invention is generally related to personalized information system related to user activities. Disclosed are systems to provide user activity information using an information server by inferring association relationship between the contents based on maximum content playing time and actual content playing time at the user device. Also disclosed are techniques to identify related information to requested content according to association relationship. The technology may be implemented by content providers, advertisers, offers, coupons, Ads, multimedia data, etc.