ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,470, issued on Feb. 17, was assigned to Beijing Baidu Netcom Science Technology Co. Ltd. (Beijing).

"Source tracing method for traffic congestion, electronic device and storage medium" was invented by Yixiong Xiao (Beijing), Hao Yuan (Beijing) and Jingbo Zhou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a source tracing method for traffic congestion, an electronic device and a storage medium, relating to the field of smart transportation, traffic management, traffic information processing and other technologies. The method includes: determining an undetermined road section and at least two reference road sections related to th...