Abstract: A data acquisition unit acquires data regarding an activity from a plurality of activity servers. A request receiving unit receives an acquisition request for activity information from a client device of a user. A data element acquisition unit acquires a plurality of data elements according to the acquisition request from among pieces of data regarding an activity. An activity information creating unit creates activity information in which identification information is added to a set of the plurality of data elements acquired. A providing unit provides the activity information to a client device of the user.

Abstract: Disclosed herein is an information processing apparatus including: a database configured to manage latitude/longitude information and a geohash as positional information about search objects; a generation block configured to generate a search reference point geohash indicative of a grid including a search reference point specified by latitude/longitude information; a setting block configured to set a primary search range at least including the grid represented by the generated search reference point geohash by use of a geohash and a secondary search range formed by a grid with the search reference point at the center thereof by use of latitude/longitude information; and a search block configured to search the primary search range for the search object and the secondary search range for the search object by referencing the database.