Abstract: An information processing system includes a position acquisition unit that acquires the position of a user, a context information acquisition unit that acquires context information corresponding to the position, and a content presentation control unit that controls presentation of a content based on the context information. The context information includes information on easiness of recognition of a feature at the position, the feature relating to the content, and the content presentation control unit controls the presentation of the content based on the easiness of recognition of the feature at the position.

Abstract: Referral text of first POI extracted by a POI extraction unit based on an input from a user is created using referral information associated with the first POI, and referral text of second POI extracted with a recommended priority lower than that of the first POI is created using, from among pieces of referral information associated with the second POI, the referral information of an item that differs from the item of the referral information used for the referral text of the first POI. It is possible to provide, to the user, the referral text created by taking into consideration a recommended priority, for the user, of a plurality of POI to be introduced to the user.

Abstract: From among pieces of referral information recorded in a points of interest (POI) information recording unit concerning POI extracted in accordance with a specific term which is set based on an input from a user, the referral information that includes related terms of the specific term is used to create referral text of the extracted POI.

Abstract: A server is equipped with a POI information recording unit in which identification information of POI is recorded in association with referral information of the POI, a referral text creation unit which creates referral text concerning the POI using the referral information associated with the POI, and a user condition acquisition unit which acquires user conditions. The referral text creation unit creates the referral text of the POI by determining, based on the acquired user condition, which referral information among pieces of the referral information is to be used.