ALEXANDRIA, Va., July 28 -- United States Patent no. 12,694,275, issued on July 28, was assigned to Microsoft Technology Licensing LLC (Redmond, Wash.).

"Extreme classification processing using graphs and neural networks" was invented by Kushal Dave (Milpitas, Calif.), Deepak Saini (Bengaluru, India), Arnav Kumar Jain (Patna, India), Jian Jiao (Bellevue, Wash.), Amit Kumar Rambachan Singh (Bengaluru, India), Ruofei Zhang (Mountain View, Calif.) and Manik Varma (New Delhi).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for learning classifiers for annotating a document with predicted labels under extreme classification where there are over a million labels. The learning include...