US Patent Issued to Amazon Technologies on Dec. 2 for "Alternative input representations" (Washington Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,184, issued on Dec. 2, was assigned to Amazon Technologies Inc. (Seattle).

"Alternative input representations" was invented by Zhongkai Sun (Bellevue, Wash.), Sixing Lu (Bellevue, Wash.), Chengyuan Ma (Bellevue, Wash.), Xiaohu Liu (Bellevue, Wash.) and Chenlei Guo (Redmond, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques for determining alternative input representations using entity expansion and entity weighting are described. An entity expansion knowledge base is built by extracting entities from user input-system response pairs that resulted in satisfactory experiences. An extracted entity is associated with an initial score based ...