ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,744, issued on Dec. 9, was assigned to Ancestry.com Operations Inc. (Lehi, Utah).
"Context-based keyphrase extraction from input text" was invented by Yingrui Yang (San Mateo, Calif.) and Yen-Yun Yu (Murray, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are systems, methods, and other techniques for extracting one or more keyphrases from an input text. The input text may include a plurality of words. A plurality of token-level attention matrices may be generated using a transformer-based machine learning model. The plurality of token-level attention matrices may be converted into a plurality of word-level attention matrices. A ...