Abstract: A server 10 according to one embodiment comprises: a first statistic acquisition unit 13 acquiring a first statistic representing a feature associated with a past period related to a forecast target area; an area extraction unit 14 extracting at least one related area that is different in size from the forecast target area and surrounds the forecast target area; a second statistic acquisition unit 15 acquiring a second statistic representing a feature of the related area; and a demand forecast unit 16 inputting the first statistic and the second statistic to a forecasting model prepared in advance, thereby acquiring a forecasted demand value in the forecast target area.

Abstract: A place popularity estimation system for estimating popularity of a facility includes a posted-data acquisition unit configured to acquire posted data posted by a user; a posted-data determination unit configured to determine whether the posted data relates to a facility to be estimated and also indicates that a user who has posted the posted data has visited the facility to be estimated; a counting unit configured to count posted data for the facility to be estimated in accordance with the determination; a number-of-people information acquisition unit configured to acquire number-of-people information indicating the number of people who are located in a mesh including the facility to be estimated; a popularity estimation unit configured to estimate popularity of the facility to be estimated, based on a counted value and the number of people indicated by the number-of-people information; and an output unit configured to output information indicating the estimated popularity.