Patents by Inventor Duke Dai

Duke Dai 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: 11429648
    Abstract: Embodiments of the present disclosure generally relate to a method and device for creating an index. For example, the embodiments of the present disclosure propose a method for creating an index, comprising: dividing a document into a plurality of regions; determining the number of times that a token appears in the plurality of regions, the token including at least one character in the document; assigning respective weights to the plurality of regions; and creating an inverted document linked list directed to the token based on the number of times that the token appears in the plurality of regions and respective weights of the plurality of regions. In addition, the embodiments of the present disclosure propose a corresponding device and computer program product for creating an index.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: August 30, 2022
    Assignee: EMC IP Holding Company LLC
    Inventors: Winston Lei Zhang, Charlie Chen, Kun Wu Huang, Jingjing Liu, Duke Dai
  • Patent number: 10936667
    Abstract: Embodiments of the present disclosure provide a solution for indicating a search result. A method of indicating a search result is disclosed, which includes, in response to receiving a query term, searching for an electronic document having metadata related to the query term. The method further includes, in response to the electronic document being searched, locating a metadata term matching with the query term from the metadata of the electronic document. The method further includes providing an indication highlighting the metadata term.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: March 2, 2021
    Assignee: EMC IP Holding Company LLC
    Inventors: Kun Wu Huang, Charlie Chen, Winston Lei Zhang, Jingjing Liu, Duke Dai
  • Publication number: 20200257710
    Abstract: Embodiments of the present disclosure generally relate to a method and device for creating an index. For example, the embodiments of the present disclosure propose a method for creating an index, comprising: dividing a document into a plurality of regions; determining the number of times that a token appears in the plurality of regions, the token including at least one character in the document; assigning respective weights to the plurality of regions; and creating an inverted document linked list directed to the token based on the number of times that the token appears in the plurality of regions and respective weights of the plurality of regions. In addition, the embodiments of the present disclosure propose a corresponding device and computer program product for creating an index.
    Type: Application
    Filed: April 28, 2020
    Publication date: August 13, 2020
    Inventors: Winston Lei Zhang, Charlie Chen, Kun Wu Huang, Jingjing Liu, Duke Dai
  • Publication number: 20180089335
    Abstract: Embodiments of the present disclosure provide a solution for indicating a search result. A method of indicating a search result is disclosed, which includes, in response to receiving a query term, searching for an electronic document having metadata related to the query term. The method further includes, in response to the electronic document being searched, locating a metadata term matching with the query term from the metadata of the electronic document. The method further includes providing an indication highlighting the metadata term.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 29, 2018
    Inventors: Kun Wu Huang, Charlie Chen, Winston Lei Zhang, Jingjing Liu, Duke Dai
  • Publication number: 20180089329
    Abstract: Embodiments of the present disclosure provide a method and device for managing index. For example, there is provided a method, comprising: obtaining a first index term in a first index, the first index term corresponding to a first index content in the first index, the first index content indicating a position of the first index term in a document; generating a reading of the first index term; and adding the reading as a second index term into a second index, the reading corresponding to a second index content indicating the first index term. Corresponding device and computer program product are also provided.
    Type: Application
    Filed: September 21, 2017
    Publication date: March 29, 2018
    Inventors: Kun Wu Huang, Charlie Chen, Winston Lei Zhang, Jingjing Liu, Duke Dai