DATA SHARING SYSTEM AND DATA SHARING METHOD

A data sharing system and method eases the sharing of original data, including data to be modified before publication, by modifying the original data to generate publication data before publication and publishing the publication data. A profile including information of a data acquisition area from which the original data is acquired and a list of types of data included in the original data is generated. For each of the plurality of areas based on the profile, pre-publication modify processing information storing, in association with each other, the name of a pre-publication modify type of data to be modified before publication and the name of a modify processing for modifying the data of the pre-publication modify type is generated. Further, a public data disclosure unit is configured to generate public data obtained by modifying the original data by the modify processing based on the pre-publication modify processing information.