Systems and methods for delivering augmented user information are provided. A method includes receiving a request for augmented information regarding an entity and obtaining an entity profile for the entity based on activity data from at least one data source and corresponding to one or more activities associated with the entity, the entity profile comprising temporal activity data and non-temporal activity data for the activities. In the method, the entity can be a single user or a group of users. The method also includes identifying one or more episodic social networks (ESNs) associated with the entity, based at least on an episodic social network model and the entity profile, where each of the ESNs associated with a different set of finite temporal boundaries and non-temporal boundaries. The method further includes delivering information regarding the ESNs to a requesting party as the augmented information.
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