ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,216, issued on July 21, was assigned to Rakuten Group Inc. (Tokyo).

"Information processing system and method for processing information" was invented by Luis Orellana (Tokyo), Mimpei Morishita (Tokyo) and Michael Eng (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for processing information is executed by one or more computers. The method includes obtaining a user classification item related to a question, the user classification item being any of user classification items based on user classification, the user classification corresponding to content classification; converting the question into a question vector; searching document v...