Patents by Inventor Yuheng Xie

Yuheng Xie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system for querying information
    Publication number: 20100179948
    Abstract: Performing a query includes receiving a user input, determining a first set of query keywords based at least in part on the user input, obtaining, based on at least some of the first set of query keywords, a user feedback log that includes historical query results, determining a second set of query keywords based on the user feedback log, and making a query based on at least some of the second set of query keywords.
    Type: Application
    Filed: January 11, 2010
    Publication date: July 15, 2010
    Inventors: Yuheng Xie, Wenwu Ou