ALEXANDRIA, Va., March 19 -- United States Patent no. 12,254,504, issued on March 18, was assigned to SITECORE USA INC. (San Francisco).

"Back end server modification and model visualization" was invented by Jeronimo Vallelunga (Tandil, Argentina), Rui H. Ewald (San Francisco), Vivek Gupta (San Jose, Calif.) and Xiaonan Wang (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "Product recommendations are selected according to a model. Product recommendations may be annotated with rules of the model used to select the products. A user may modify the model and be provided with a URL and a cookie associated with the modified model. Subsequent requests or the URL and presenting the cookie are processed ...