ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,589, issued on June 17, was assigned to National University of Defense Technology (Changsha, China).

"Item recommendation method based on importance of item in conversation session and system thereof" was invented by Fei Cai (Hunan, China), Wanyu Chen (Hunan, China), Zhiqiang Pan (Hunan, China), Chengyu Song (Hunan, China), Yitong Wang (Hunan, China), Yanxiang Ling (Hunan, China), Xin Zhang (Hunan, China) and Honghui Chen (Hunan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an item recommendation method and system based on importance of item in a conversation session and a system thereof. In the present disclo...