DATA DISTRIBUTION MANAGEMENT DEVICE, DATA DISTRIBUTION MANAGEMENT METHOD, AND PROGRAM

Provided is a data distribution management apparatus 1 which duplicates data stored in a dedicated data store 2 to a shared data store 3 and shares the data. The data distribution management apparatus 1 includes a proposal management unit 11 which mediates creation of an agreement on a data sharing condition including a condition limiting data to be shared and a condition limiting a user capable of referring to the data to be shared and registers the agreed-upon data sharing condition in a proposal database 15, a policy management unit 12 which registers an access control policy which is used for access control on the data to be shared in a policy DB 16 on the basis of the agreed-upon data sharing condition, and a policy enforcement unit 13 which duplicates the data to be shared from the dedicated data store 2 to the shared data store 3 on the basis of the access control policy and performs access control on the data to be shared on the basis of the access control policy in response to a data reference request for the data to be shared.