US Patent Issued to eBay on June 23 for "System and method for topic extraction and opinion mining" (Chinese, American Inventors)

ALEXANDRIA, Va., July 15 -- United States Patent no. 12,664,219, issued on June 23, was assigned to eBay Inc. (San Jose, Calif.).

"System and method for topic extraction and opinion mining" was invented by Neelakantan Sundaresan (Mountain View, Calif.), Yongzheng Zhang (San Jose, Calif.), Catherine Baudin (Palo Alto, Calif.), Dan Shen (Shanghai) and Shen Huang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, and systems to determine a niche market of items or services, the first phase of which identifies a gap between demand supply for a set of items. Session logs may be evaluated to compare transactions involving a specific item to those of a larger group of items. The resultant ...