ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,973, issued on March 3, was assigned to Amazon Technologies Inc. (Reno, Nev.).

"Hierarchical unified graph embedding" was invented by Kun Cao (New York), Sesi Bhushan Somarouthu (Burnaby, Canada), Stuart Myles (Newtown, Pa.), Matthew Gordon Yanchyshyn (Brooklyn, N.Y.) and Tapodipta Ghosh (Princeton Junction, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Approaches in accordance with various embodiments provide unified training and inference frameworks useful for co-training, and performing inferencing using, models such as language and graphing models. The frameworks can be hierarchical, in that an inner layer can include a language model for ...