ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,527, issued on April 22, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Determining system performance without ground truth" was invented by Dinesh C. Verma (New Castle, N.Y.) and Seraphin Bernard Calo (Cortlandt Manor, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for determining system performance without ground truth include receiving a trained model and one or more generator models, the trained model having been trained on training data. The trained model is used on testing data to produce labeled testing data, and the labeled testing data are used to train a proxy model. The one or more generator models a...