公开(公告)号：US11281446B2

公开(公告)日：2022-03-22

申请号：US16711111

申请日：2019-12-11

Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.

Inventor： Shengbo Fu ,  Huayong Wang ,  Feilong Zhou

IPC: G06F8/65 ,  G06F21/54 ,  G06F21/57 ,  G06F21/62

Abstract: The present disclosure provides an updating method, a terminal and an electronic device. The updating method may include: acquiring updated authority information; and transmitting a first update notification to a first data node, the first update notification comprising the updated authority information. When a control node transmits the first update notification to the first data node, such notification includes the updated authority information.

公开(公告)号：US10797724B2

公开(公告)日：2020-10-06

申请号：US16567950

申请日：2019-09-11

Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.

Inventor： Rui Yang ,  Huayong Wang

IPC: H03M7/30 ,  H03M7/40

Abstract: Method and apparatus for processing data are disclosed. The method may include: sorting to-be-compressed at least one piece of data in a predetermined order; for a sorted piece of data, in response to the data having a common prefix with a previous piece of data of the piece of data, adding the common prefix to a common prefix set; dividing the sorted at least one piece of data into at least one group based on the common prefix set and determining a common prefix of each group; and storing, for a group in the at least one group, a common prefix of the group and a non-common prefix portion of each piece of data in the group, and recording a common prefix corresponding to each piece of data in the each group and a shared length between the each piece of data and the common prefix.

公开(公告)号：US11222067B2

公开(公告)日：2022-01-11

申请号：US16130236

申请日：2018-09-13

Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.

Inventor： Huayong Wang

IPC: G06F16/20 ,  G06F16/30 ,  G06F16/90 ,  G06F16/901 ,  G06F16/23 ,  G06F16/27 ,  G06F16/31

Abstract: A multi-index method and a multi-index apparatus for a cloud database, a cloud system, and a computer-readable storage medium are provided. The cloud database includes an index unit, and the multi-index method includes: storing multiple data values in a storage unit and acquiring storage address information of each of the data values in the storage unit; and storing a value of each of multiple index keywords corresponding to each data value in the index unit in association with the storage address information of the data value, so that the cloud database is indexed according to at least two of the multiple index keywords.

公开(公告)号：US20190171773A1

公开(公告)日：2019-06-06

申请号：US16130236

申请日：2018-09-13

Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd.

Inventor： Huayong Wang

IPC: G06F17/30

Abstract: A multi-index method and a multi-index apparatus for a cloud database, a cloud system, and a computer-readable storage medium are provided. The cloud database includes an index unit, and the multi-index method includes: storing multiple data values in a storage unit and acquiring storage address information of each of the data values in the storage unit; and storing a value of each of multiple index keywords corresponding to each data value in the index unit in association with the storage address information of the data value, so that the cloud database is indexed according to at least two of the multiple index keywords.