| 摘要 |
A prediction device for predicting a prediction interval being a time interval predicted with a high possibility of appliance utilization starts includes: an evaluation unit calculating, using utilization interval history data, an evaluation value for determining a prediction scheme for each appliance; a determination unit, based on the evaluation value at least for each appliance, determining at least one of a first and a second prediction scheme as the scheme of the prediction interval for the appliance, the first prediction scheme using a property that the appliance is utilized in a predetermined cycle, and the second prediction scheme using a property that the utilization of a second appliance being the appliance is started in a period from a start or an end of utilization of a first appliance being another appliance to a passage of a predetermined time; a prediction unit predicting a prediction interval according to the determined scheme.
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