ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,066, issued on March 18, was assigned to Nasdaq Inc. (New York).

"Modular machine learning systems and methods" was invented by Hyunsoo Jeong (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer system is provided that is designed to handle multi-label classification. The computer system includes multiple processing instances that are arranged in a hierarchal manner and execute differently trained classification models. The classification task of one processing instance and the executed model therein may rely on the results of classification performed by another processing instance. Each of the models may be associated with a different...