ALEXANDRIA, Va., May 26 -- United States Patent no. 12,639,331, issued on May 26, was assigned to Snap Inc. (Santa Monica, Calif.).

"Event detection system" was invented by Yupeng Gu (Los Angeles), Xiaolin Shi (Santa Monica, Calif.) and Jie Luo (Marina Del Rey, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An event detection system is configured to access a repository that contains a collection of media content. The media content may for example include images, videos, audio clips, and the like, wherein the media content comprises features that include: tags (e.g., hashtags or other similar mechanisms to label and sort content); captions that comprises one or more words or phrases; continuous numeric...