Patents by Inventor Zhangyun Zhao

Zhangyun Zhao 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).

  • Data retrieval method and apparatus
    Patent number: 11816117
    Abstract: In a data preparation process, raw data in a database is classified into first-type data and second-type data. In a data retrieval process, a first retrieval range is determined in the first-type data, and to-be-retrieved data is retrieved in the first retrieval range, to obtain a first retrieval result; the to-be-retrieved data is retrieved from all of the second-type data, to obtain a second retrieval result; and finally, a final retrieval result is determined from the first retrieval result and the second retrieval result.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: November 14, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zheng Wang, Zhangyun Zhao, Rongrong Fu
  • Data Retrieval Method and Apparatus
    Publication number: 20210182318
    Abstract: In a data preparation process, raw data in a database is classified into first-type data and second-type data. In a data retrieval process, a first retrieval range is determined in the first-type data, and to-be-retrieved data is retrieved in the first retrieval range, to obtain a first retrieval result; the to-be-retrieved data is retrieved from all of the second-type data, to obtain a second retrieval result; and finally, a final retrieval result is determined from the first retrieval result and the second retrieval result.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: Zheng Wang, Zhangyun Zhao, Rongrong Fu