ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,480, issued on Jan. 20, was assigned to NVIDIA Corp. (Santa Clara, Calif.).

"Role-based large language model to enable security and accuracy" was invented by Ruthie D. Lyle (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first query having a first privacy status is received. A response to the first query is obtained based on output(s) of one or more machine learning (ML) models of an open domain dialog system. Each ML model is trained to predict responses to queries having the first privacy status. Data associated with the first query and the response is provided as training data for the ML models, in view of the first privacy status....