ALEXANDRIA, Va., March 24 -- United States Patent no. 12,585,884, issued on March 24, was assigned to NTT Inc. (Tokyo).
"Dialogue apparatus, dialogue method, and program" was invented by Masahiro Mizukami (Tokyo) and Ryuichiro Higashinaka (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An example storage unit (10-1) stores examples including an utterance sentence, a response sentence, and situation information. A selection rule storage unit (10-3) stores a selection rule including a dialogue state, available situation information, and a dialogue state of a transition destination. An utterance reception unit (12) receives a user utterance uttered. A dialogue state acquisition unit (13) acquires a curren...