Patents by Inventor Wenkai Dai

Wenkai 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).

  • Method and apparatus for pushing information
    Patent number: 10726446
    Abstract: The present disclosure discloses a method and apparatus for pushing information. A specific embodiment of the searching method comprises: dividing words in a target text to generate a set of phrases; calculating a term frequency inverse document frequency for each of the phrases in the set in the target text; acquiring similarities between preset candidate keywords and the each of the phrases; calculating relevance of the candidate keywords to the target text, based on the term frequency inverse document frequency for the each of the phrases in the target text and the similarities between the candidate keywords and the each of the phrases; and selecting a to-be-pushed candidate keyword from the candidate keywords, and pushing the to-be-pushed candidate keyword to a first user terminal based on a preset relevance threshold, or based on the relevance and a preset pushing quantity.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: July 28, 2020
    Assignee: Baidu Online Network Technology (Beijing) Co., Ltd.
    Inventors: Tian Wei, Wenkai Dai, Kai Sun
  • METHOD AND APPARATUS FOR PUSHING INFORMATION
    Publication number: 20180181988
    Abstract: The present disclosure discloses a method and apparatus for pushing information. A specific embodiment of the searching method comprises: dividing words in a target text to generate a set of phrases; calculating a term frequency inverse document frequency for each of the phrases in the set in the target text; acquiring similarities between preset candidate keywords and the each of the phrases; calculating relevance of the candidate keywords to the target text, based on the term frequency inverse document frequency for the each of the phrases in the target text and the similarities between the candidate keywords and the each of the phrases; and selecting a to-be-pushed candidate keyword from the candidate keywords, and pushing the to-be-pushed candidate keyword to a first user terminal based on a preset relevance threshold, or based on the relevance and a preset pushing quantity.
    Type: Application
    Filed: June 8, 2017
    Publication date: June 28, 2018
    Inventors: Tian Wei, Wenkai Dai, Kai Sun