ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,085, issued on April 14, was assigned to Oracle International Corp. (Redwood Shores, Canada).

"Entity level data augmentation in chatbots for robust named entity recognition" was invented by Srinivasa Phani Kumar Gadde (Belmont, Calif.), Yuanxu Wu (Foster City, Calif.), Aashna Devang Kanuga (Foster City, Calif.), Elias Luqman Jalaluddin (Seattle), Vishal Vishnoi (Redwood City, Calif.) and Mark Edward Johnson (Castle Cove, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for data augmentation for training chatbot systems in natural language processing. In one particular aspect, a method is provided that includes generating a list ...