Patent ID: 11954232
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An information processing system comprising:
a terminal, and
a server storing a data set,
wherein the terminal includes:
a memory storing target data, the data set and the target data being composed of records including one or more items, and
a processor configured to:
transmit an acquisition request which designates an acquisition condition of data included in the data set to the server and acquire data which satisfies the acquisition condition from the server;
create merged data by merging the acquired data and the target data;
anonymize the merged data through statistical processing; and
transmit the anonymized data to the server, and

wherein the server includes:
a server memory, and
a server processor configured to:
in a case where the acquisition request is received, search for data which satisfies the acquisition condition designated in the acquisition request from the data set and transmit data obtained as a result of the search to the terminal;
receive the anonymized data; and
subtract statistics included in the data transmitted to the terminal among data included in the data set from statistics included in the received anonymized data.