ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,425, issued on May 13, was assigned to AT&T Intellectual Property I LP (Atlanta).

"Trust labeling of call graphs for telecommunication network activity detection" was invented by Elijah Hall (Plano, Texas), Ana Armenta (San Jose, Calif.) and Prince Paulraj (Coppell, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A processing system may obtain a feature vector for a relationship between first and second user identities within a telecommunication network, the feature vector including: a first number of communications from the first user identity to the second user identity for a first communication channel, a first volume associated with the fir...