Patents by Inventor Chujing TAN

Chujing TAN 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).

  • Publication number: 20240061842
    Abstract: A spatial join query method and apparatus, an electronic device, and a storage medium. The spatial join query method comprises: obtaining a first resilient distributed dataset of first spatial data and a second resilient distributed dataset of second spatial data; generating multi-tree spatial indexes for spatial partitions, and collecting statistics about spatial distribution information of geometric objects according to the multi-tree spatial indexes to obtain global spatial distribution information; determining an overlapping spatial partition according to the global spatial distribution information; and setting data, in the first spatial data and the second spatial data, corresponding to the overlapping spatial partition as target data, and performing spatial join calculation on the target data.
    Type: Application
    Filed: September 22, 2021
    Publication date: February 22, 2024
    Applicant: JINGDONG CITY (BEIJING) DIGITS TECHNOLOGY CO., LTD.
    Inventors: Rubin WANG, Jie BAO, Ruiyuan LI, Huajun HE, Chujing TAN