ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,218, issued on July 15.

"Nested named entity recognition" was invented by Suzanne M Kirch (Waltham, Mass.), Rajiv Baronia (San Ramon, Calif.), Vineeth Thanikonda Munirathnam (Bangalore, India) and Jack Porter (Valley Springs, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Named Entity Recognition is the identification and classification of named entities within a document. Nested NEs occur when an NE is contained within another NE. The disclosed invention leverages the CapsNet architecture for improved nested NE identification and classification. This includes deriving the features of an input text. The derived features are used to identify a...