US Patent Issued to Snap on June 23 for "Evolution of topics in a messaging system" (Virginia, California Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,197, issued on June 23, was assigned to Snap Inc. (Santa Monica, Calif.).

"Evolution of topics in a messaging system" was invented by Yanran Wei (Blacksburg, Va.), Vitor Silva Sousa (Los Angeles) and Leonardo Ribas Machado Das Neves (Marina del Rey, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for determining how topics evolve in a messaging system extract at least one N-gram from data content (e.g., caption of messages) in the messaging system and detect anomalous behavior in N-gram frequencies over time. The anomalous behavior is used to select candidate N-grams for a determination of whether a topic of a candidate N-g...