Patents by Inventor Leon Wong

Leon Wong 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).

  • System for using statistical classifiers for spoken language understanding
    Publication number: 20040148154
    Abstract: The present invention involves using one or more statistical classifiers in order to perform task classification on natural language inputs. In another embodiment, the statistical classifiers can be used in conjunction with a rule-based classifier to perform task classification.
    Type: Application
    Filed: January 23, 2003
    Publication date: July 29, 2004
    Inventors: Alejandro Acero, Ciprian Chelba, YeYi Wang, Leon Wong
  • System for automatically annotating training data for a natural language understanding system
    Publication number: 20030212544
    Abstract: The present invention uses a natural language understanding system that is currently being trained to assist in annotating traomomg data for training that natural language understanding system. Unannotated training data is provided to the system and the system proposes annotations to the training data. The user is offered an opportunity to confirm or correct the proposed annotations, and the system is trained with the corrected or verified annotations.
    Type: Application
    Filed: May 10, 2002
    Publication date: November 13, 2003
    Inventors: Alejandro Acero, Ye-Yi Wang, Leon Wong