Abstract: It is possible to realize navigation that employs map representation data acquired using a captured map photograph, with a map representation data processing device including: a photograph reception unit that receives a map photograph from a terminal device; a determination unit that searches a navigation information group that contains two or more pieces of navigation information that contain map representation data and two or more pieces of correspondence information that are each a set of coordinate information and position information on the map representation data, and determines a piece of navigation information that has a relationship that satisfies a first condition, with the map photograph; and a navigation information transmission unit that transmits the piece of navigation information determined by the determination unit, to the terminal device.

Abstract: In order to address a conventional problem that it is not possible to provide a user with map expression data whose display mode has been changed according to additional information, an information processing apparatus includes: a map expression data storage unit in which one or more pieces of map expression data expressing a map are stored, the data being associated with one or more attribute values containing region specifying information for specifying a region that is being expressed; an additional information storage unit in which additional information, which is information that is additional, is stored in association with the map expression data; and a transmitting unit that transmits map expression data to a terminal apparatus such that even same map expression data is displayed on the terminal apparatus in a different mode according to the additional information.

Abstract: An information processing apparatus includes: a map expression data storage unit in which two or more pieces of map expression data expressing a map are stored, the data being associated with one or more attribute values containing region specifying information for specifying a region that is being expressed; a receiving unit that receives position specifying information for specifying a position from a terminal apparatus; a data acquiring unit that acquires one or more pieces of map expression data associated with region specifying information corresponding to a position specified with the position specifying information, from the map expression data storage unit; and a transmitting unit that transmits the one or more pieces of map expression data acquired by the data acquiring unit, to the terminal apparatus.