ALEXANDRIA, Va., June 4 -- United States Patent no. 12,321,374, issued on June 3, was assigned to HITHINK ROYALFLUSH INFORMATION NETWORK Co. LTD. (Hangzhou, China).

"Method and system for sentiment analysis of information" was invented by Zheng Yi (Hangzhou, China) and Wei Xia (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "One aspect of the present disclosure relates to a method of sentiment analysis based on ambiguity analysis, which includes analyzing information with the sentiment analysis models and the ambiguity analysis models. Another aspect of the present disclosure relates to a method of training the sentiment analysis models and ambiguity analysis models, which includes acquiring i...