Patents by Inventor Chengcang QIANG

Chengcang QIANG 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).

  • Systems and methods for parent-child relationship determination for points of interest
    Patent number: 11003730
    Abstract: The present disclosure relates to systems and methods for determining parent-child relationships. The systems may obtain a first location name of a first point of interest (POI); perform a word segmentation operation on the first location to obtain a plurality of portions of the first location name; determine a first portion from the plurality of portions by comparing to a first portion name database, the first portion indicating that the first POI is a child POI; and determine a second POI based on a second portion of the first location name and that the second POI is a parent POI of the first POI.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: May 11, 2021
    Assignee: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Chengcang Qiang, Hongguang Pan, Jingwen Wang
  • SYSTEMS AND METHODS FOR PARENT-CHILD RELATIONSHIP DETERMINATION FOR POINTS OF INTEREST
    Publication number: 20210081481
    Abstract: The present disclosure relates to systems and methods for determining parent-child relationships. The systems may obtain a first location name of a first point of interest (POI); perform a word segmentation operation on the first location to obtain a plurality of portions of the first location name; determine a first portion from the plurality of portions by comparing to a first portion name database, the first portion indicating that the first POI is a child POI; and determine a second POI based on a second portion of the first location name and that the second POI is a parent POI of the first POI.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.
    Inventors: Chengcang QIANG, Hongguang PAN, Jingwen WANG