1. System, Method, and Apparatus for Selecting One or More Representative Images
    Xiaofei He.
    Filed, May 2008, Yahoo!.

  2. Web Page Categorization using Graph-Based Term Selection
    Xiaofei He.
    Filed, Nov. 2007, Yahoo!.

  3. System and Method for Selecting a Training Sample from a Sample Set
    Xiaofei He and Wei Vivian Zhang.
    Filed, Sep. 2007, Yahoo!.

  4. System and Method for Determining Semantically Related Terms using an Ative Learning Framework.
    Pradhuman Jhala and Xiaofei He.
    Filed, Apr. 30, 2007, Yahoo!.

  5. Query Substitution Using Active Learning.
    Vivian Wei Zhang and Xiaofei He.
    Filed, Apr. 10, 2007, Yahoo!.

  6. System for Classifying a Search Query.
    Xiaofei He and Pradhuman Jhala.
    United States Patent 7,603,348.

  7. Method and System for Identifying Image Relatedness Using Link and page Layout Analysis.
    Wei-Ying Ma, Ji-Rong Wen, Xiaofei He, and Deng Cai.
    United States Patent 7,293,007.