ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,561,581, issued on Feb. 24, was assigned to Nasdaq Inc. (New York).
"Systems and methods of generating datasets from heterogeneous sources for machine learning" was invented by Douglas Hamilton (Boston), Michael O'Rourke (Southbury, Conn.), Xuyang Lin (Cambridge, Mass.), Hyunsoo Jeong (Boston), William Dague (New York) and Tudor Morosan (Toronto).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer system is provided that is programmed to select feature sets from a large number of features. Features for a set are selected based on metagradient information returned from a machine learning process that has been performed on an earlier selected feature...