ALEXANDRIA, Va., June 5 -- United States Patent no. 12,277,153, issued on April 15, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Stop word detection for QA corpus" was invented by Issei Yoshida (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Dependency trees are generated for questions and answers of a question answering (QA) corpus in which the answers are associated with the questions. Generating the dependency trees includes identifying root nodes. A word near an identified root node of one of the questions is compared to words of answers associated with the one of the questions. The word is determined to be in less than a threshold number of the associated answers. The wor...