ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,170, issued on May 12, was assigned to YAHOO AD TECH LLC (Dulles, Vatican City State (Holy See)).

"System and method for approximating numerical features via cubic splines and applications thereof" was invented by Alex Shtoff (Haifa, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present teaching relates to method, system, medium, and implementations for approximating a non-linear relationship between a numerical feature and an output of a model. A value of a numerical feature is received and is transformed, via a transform function, into a transformed value within a fixed range. With respect to each of a plurality of basis functions used ...