Patents by Inventor Oliver Po

Oliver Po 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).

  • Incremental maintenance of path-expression views
    Publication number: 20060294156
    Abstract: Systems and methods are disclosed for providing view maintenance by buffering one or more search results in a cache; and incrementally maintaining the search results by analyzing a source data update and updating the cache based on a relevance of the update to the search results.
    Type: Application
    Filed: June 24, 2005
    Publication date: December 28, 2006
    Applicant: NEC Laboratories, Inc
    Inventors: Junichi Tatemura, Arsany Sawires, Divyakant Agrawal, Kasim Candan, Oliver Po