Patents by Inventor Jen-Nan Chen

Jen-Nan Chen 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).

  • Patent number: 8762300
    Abstract: The present invention provides a method for document classification, especially an adaptive learning method for document classification. The document includes a plurality of feature words. The method includes steps of calculating a plurality of similarities between the document and a categorical basic knowledge; calculating a first ratio of a first largest similarity to a second largest similarity of the plurality of similarities; storing the feature words of the document as an extensive categorical knowledge when the first ratio is larger than a first threshold value; and updating the categorical basic knowledge by using the extensive categorical knowledge.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: June 24, 2014
    Assignee: Ming Chuan University
    Inventors: Yang-Cheng Lu, Jen-Nan Chen, Yu-Chen Wei
  • Publication number: 20130097104
    Abstract: The present invention provides a method for document classification, especially an adaptive learning method for document classification. The document includes a plurality of feature words. The method includes steps of calculating a plurality of similarities between the document and a categorical basic knowledge; calculating a first ratio of a first largest similarity to a second largest similarity of the plurality of similarities; storing the feature words of the document as an extensive categorical knowledge when the first ratio is larger than a first threshold value; and updating the categorical basic knowledge by using the extensive categorical knowledge.
    Type: Application
    Filed: October 18, 2011
    Publication date: April 18, 2013
    Applicant: MING CHUAN UNIVERSITY
    Inventors: Yang-Cheng Lu, Jen-Nan Chen, Yu-Chen Wei