Abstract: The present disclosure promotes distribution of sensor data among a plurality of business operators. A controller that an information processing system according to the present disclosure includes collects first data including a plurality of items and personal information from mobile bodies belonging to a first business operator. The controller converts the first data to second data not being usable to identify individuals. The controller provides data in a range decided based on content of a predetermined data use contract, among the second data, to a second business operator. The controller calculates a consideration for the data that is to be paid by the second business operator, based on a data use record of the second business operator.

Abstract: A treatment course determination assistance system is configured to perform the steps of: allowing a review applicant to input details to be reviewed through use of an input unit; displaying, by a processing server, a designated reviewer candidate involved in treatment of the patient based on information read from the patient information database; allowing the review applicant to select a designated reviewer candidate desired to perform review based on professions of displayed designated reviewer candidates; selecting, by the processing server, one or more anonymous reviewer candidates extracted randomly based on professions and/or specialties relating to the details to be reviewed from the reviewer information database; and asking the designated reviewer candidates selected by the review applicant and the one or more anonymous reviewer candidates selected by the processing server whether or not to accept a request for cooperation on review.