ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,050, issued on Sept. 1, was assigned to Electronics and Telecommunications Research Institute (Daejeon, South Korea).

"Knowledge-based dialogue system for self-learning dialogues and learning method thereof" was invented by Yo Han Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a self-learning method of a knowledge-based dialogue system. The method includes generating, by the query generating module, a natural language query by itself based on a knowledge path for a query selected from a knowledge graph, inferring, by the answer generating module, a knowledge path for an answer corresponding to a query intention...