Abstract: A computer system that processes data among a plurality of sites each including a computer having a processor and a memory. The computer includes an application for performing predetermined processing on data, an execution manager for managing execution of the application, and data transfer policies specifying whether data of a processing result of the application is allowed to be transmitted to the external. The execution manager generates information on data used by the application being executed as information on data to be transmitted and applies the data transfer policies to the data in the information on data to be transmitted to determine whether the data to be transmitted can be transmitted to the outside of the site.

Abstract: There is provided an information coordination platform system that coordinates a plurality of organizations that each manages customer information including a plurality of pieces of item information regarding a customer with each other. An information coordination bridge manages association information for associating the organizations for the customer to be coordinated with at least one item information between at least two organizations and the item information, and records data update information indicating the organizations, the customer, and the item information when the item information of the customer is updated in any organization. An information coordination server notifies the organization associated with the organization in which the item information is updated in the association information of a fact that the item information of the customer is updated based on the data update information.