US Patent Issued to Maplebear on May 20 for "Counterfactual policy evaluation of model performance" (California, Indiana Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,338, issued on May 20, was assigned to Maplebear Inc. (San Francisco).

"Counterfactual policy evaluation of model performance" was invented by Jonathan Gu (San Francisco), Bo Xiao (Hillsborough, Calif.), Yixi Ouyang (Milpitas, Calif.), Jennifer Wiersema (Oakland, Calif.), Ying Li (San Francisco), Matias Cersosimo (Stanford, Calif.), Rustin Partow (San Francisco), Levi Boxell (Brownsburg, Ind.), Tilman Drerup (Palo Alto, Calif.) and Oleksii Stepanian (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "An online system uses an offline iterative clustering process to evaluate the performance of a set of content selection frameworks. To perfor...