ALEXANDRIA, Va., May 12 -- United States Patent no. 12,625,981, issued on May 12, was assigned to Google LLC (Mountain View, Calif.).

"Privacy preserving cross-domain machine learning" was invented by Yijian Bai (San Ramon, Calif.) and Gang Wang (Frederick, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This document describes a secure machine learning platform. In some aspects, a method includes transmitting by the application to the machine learning platform, a set of data including a user profile, one or more characteristics of a digital component, contextual signals, model identifier, and data indicating a type of event. The application receives a request generated based on the computer-readable inst...