RETRIEVAL DEVICE, RETRIEVAL TERMINAL DEVICE, DATA REGISTRATION DEVICE, RETRIEVAL METHOD, RETRIEVAL PROGRAM, DATA REGISTRATION METHOD, AND DATA REGISTRATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To easily perform a secret retrieval.SOLUTION: An access terminal 201 sets a data name of retrieval object data on the basis of a keyword and a label associated with a labeled index in a plurality of sequence elements provided in the labeled index, and registers the labeled index in a data center 301. The access terminal 201 generates a labeled retrieval query that identifies any sequence element of the labeled index, on the basis of the identified retrieval keyword and label, and transmits the generated labeled retrieval query to the data center 301. The data center 301 acquires a data name from the sequence element identified by the labeled retrieval query and transmits the retrieval object data of the acquired name to the access terminal 201.