ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,662, issued on Feb. 3, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Apparatus and method for federated learning based on group key" was invented by Hyun-Jin Kim (Daejeon, South Korea), Jong-Geun Park (Sejong-si, South Korea) and Jong-Hoon Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is an apparatus and method for federated learning based on group key management. The apparatus receives learning group participation request information from a learning node that intends to participate in a federated learning group, updates a group key required for the learning ...