Systems and methods for providing location-based recommendation to a user that leverages common characteristics between the user and other users in a network such that the common characteristics are derived based on monitoring and analyzing user information at different times and locations. A computing device receives information associated with each of a plurality of entities in a network, including a transaction and an activity, the transaction and the activity each being associated with a location and a time. The computing device receives updated information and creates a data structure relating the first entity and a subset of the plurality of entities based on the updated information. The computing device determines a recommendation related to the updated information, calculates a relevance value between entities in the subset of entities, and transmits the recommendation to one of the entities.