ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,927, issued on Nov. 4, was assigned to NEC Corp. (Tokyo).

"Domain-specific question answering with context reduction for decision making" was invented by Biplob Debnath (Princeton, N.J.), Md Adnan Arefeen (Kansas City, Mo.) and Srimat Chakradhar (Manalapan, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems for context reduction include identifying a context document relating to a query. A number of sentences of the context document to preserve is determined. The sentences of the context document are ranked according to respective similarities between the sentences and the query. A reduced context is generated that preserves the ...