Information Processing System and Selection Support Method

A selection support method of supporting selection of a social security service by a computer,

• the computer including a calculation device configured to execute a predetermined process and a storage device connected to the calculation device,
• the calculation device being accessible to a database including attribute data of a plurality of insurers, attribute data of a plurality of insured persons, supply and demand data of a plurality of social security services, clinical data of the plurality of insured persons, and cost data of a social security service provided to the insured persons,
• the selection support method comprising:
• an input step of receiving, by the calculation device, input of an attribute of an insured person to be analyzed and a social security service;
• a similar data extraction step of calculating, by the calculation device, a similarity of the attribute data of the insurers and a similarity of the attribute data of the insured persons using the database;
• a time-series change extraction step of calculating, by the calculation device, a time-series change in the clinical data of the plurality of insured persons and a time-series change in the cost data according to the plurality of social security services to be provided using the database;
• a learning step of weighting, by the calculation device, each of the clinical data and the cost data based on the calculated similarities and the calculated time-series changes, and learning an evaluation index representing a value of the social security service;
• and
• an output step of outputting, by the calculation device, an evaluation index of an available social security service according to an attribute of an insured person.