| 摘要 |
PROBLEM TO BE SOLVED: To provide a data migration management apparatus and the like in which when data is migrated between different devices, the devices after the data migration can be swiftly configured so that retrieval can be executed.SOLUTION: When migration data 100, which is data as an object to be migrated to an external device 101, is migrated, a data migration management apparatus 1: generates a device ID on the basis of device information of the external device 100; acquires a substance and attribute information of the substance from the migration data 100; extracts text information which is included in a substance and serves as an object of retrieval; generates, on the basis of the device ID and the attribute information, a document ID capable of identifying a substance in accordance with a document ID issuance rule 102; generates, on the basis of the document ID, the text information and the attribute information, a transposition index 201 which is referred to when retrieving the text information; and generates, on the basis of the document ID, a reverse index 202 which is referred to when retrieving the transposition index in a reverse direction. |
