ALEXANDRIA, Va., April 21 -- United States Patent no. 12,608,553, issued on April 21, was assigned to BEI JING BDA NETWORK & INFORMATION Co. LTD (Beijing).

"System for semantic analysis and automatic solution of mathematical application problem" was invented by Ping Zhu (Beijing), Pohua Lv (Beijing) and Xuetao Jiang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a system for semantic analysis and automatic solution of a mathematical application problem. The system includes: a semantic framework mode matching module, configured to: perform mode matching on a clause vocabulary sequence with a semantic framework, to form local semantic information of the mathematical app...