公开(公告)号：US11475588B2

公开(公告)日：2022-10-18

申请号：US16751011

申请日：2020-01-23

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

Inventor： Xiaohan Zhang ,  Ye Xu ,  Kexin Ren ,  Zhifan Feng ,  Yang Zhang ,  Yong Zhu

IPC: G06T7/73

Abstract: Embodiments of the present provide a method and a device for processing an image, server and storage medium. The method includes: determining, based on an object type of an object in an image to be processed, a feature expression of the object in the image to be processed; and determining an entity associated with the object in the image to be processed based on the feature expression of the object in the image to be processed and a feature expression of an entity in a knowledge graph.

公开(公告)号：US20210049365A1

公开(公告)日：2021-02-18

申请号：US16806408

申请日：2020-03-02

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

Inventor： Kexin Ren ,  Xiaohan Zhang ,  Zhifan Feng ,  Yang Zhang

IPC: G06K9/00 ,  G06K9/62

Abstract: A method and an apparatus for outputting information are provided according to embodiments of the disclosure. The method includes: recognizing a target video, to recognize at least one entity and obtain a confidence degree of each entity, the entity including a main entity and related entities; matching the at least one entity with a pre-stored knowledge base to determine at least one candidate entity; obtaining at least one main entity by expanding the related entities of the at least one candidate entity based on the knowledge base, and obtaining a confidence degree of the obtained main entity; and calculating a confidence level of the obtained main entity based on the confidence degree of each of the related entities of the at least one candidate entity and the confidence degree of the obtained main entity, and outputting the confidence level of the obtained main entity.

公开(公告)号：US20190155898A1

公开(公告)日：2019-05-23

申请号：US16128410

申请日：2018-09-11

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

Inventor： Shuangjie Li ,  Yabing Shi ,  Haijin Liang ,  Yang Zhang ,  Jingfeng Li

IPC: G06F17/27 ,  G06N3/08

Abstract: A method and device for extracting entity relation based on deep learning and a server are provided. The method includes: preprocessing a text to be mined, to obtain a sentence with entities in the text to be mined; determining an entity pair in the sentence according to the entities, wherein the entity pair includes at least two entities, and determining candidate relations between entities in the entity pair; and determining an entity relation between the entities in the entity pair from the candidate relations.

公开(公告)号：US12182724B2

公开(公告)日：2024-12-31

申请号：US17025952

申请日：2020-09-18

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

Inventor： Fang Huang ,  Shuangjie Li ,  Yabing Shi ,  Ye Jiang ,  Yang Zhang ,  Yong Zhu

IPC: G06N5/02 ,  G06N5/04 ,  G06N20/00

Abstract: A method and apparatus for generating a temporal knowledge graph, a device and a medium. An embodiment comprises: acquiring corpus including time information; performing multivariate data extraction on the corpus, multivariate data including an entity pair, an entity relationship and a target time interval of the entity relationship, the target time interval being used to indicate a valid period of the entity relationship; and generating a temporal knowledge graph based on the entity pair, the entity relationship and the target time interval of the entity relationship.

公开(公告)号：US11782981B2

公开(公告)日：2023-10-10

申请号：US16213610

申请日：2018-12-07

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

Inventor： Ye Xu ,  Zhifan Feng ,  Chao Lu ,  Yang Zhang ,  Zhou Fang ,  Shu Wang ,  Yong Zhu ,  Ying Li

IPC: G06F16/901 ,  G06F16/28 ,  G06F16/951 ,  G06F16/955

CPC classification number: G06F16/9024 ,  G06F16/288 ,  G06F16/951 ,  G06F16/955

Abstract: Embodiments of the disclosure disclose a method, apparatus, server, and storage medium for incorporating a structured entity, wherein the method for incorporating a structured entity can comprise: selecting a candidate entity associated with a to-be-incorporated structured entity from a knowledge graph, determining the to-be-incorporated structured entity being an associated entity based on prior attribute information of a category of the candidate entity and a preset model, merging the associated entity and the candidate entity, and incorporating the associated entity into the knowledge graph. The embodiments can select a candidate entity, and then integrate a preset model using prior knowledge, which can effectively improve the efficiency and accuracy in associating entities, and reduce the amount of calculation, to enable the structured entity to be simply and efficiently incorporated into the knowledge graph.

公开(公告)号：US11630560B2

公开(公告)日：2023-04-18

申请号：US17374136

申请日：2021-07-13

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

Inventor： Wei Liu ,  Yingjie Niu ,  Fei Fang ,  Jingbo Fan ,  Xiying Wang ,  Junjie Huang ,  Yong Cui ,  Lusong Wang ,  Kailong Yan ,  Linlin Pan ,  Yang Zhang ,  Xueting Huo

IPC: G06F3/04845 ,  G06N20/00 ,  G06F3/0482 ,  G01C21/36

Abstract: The present application discloses a method for displaying map information and corresponding apparatus, electronic device, and computer storage medium, which relates to the fields of deep learning, knowledge graphs, and artificial intelligence. The method may include: when a user starts a map, acquiring a user feature of the user and historical click theme information of the user; for any to-be-recommended theme, determining a click probability of the to-be-recommended theme by using a pre-trained recommendation model according to the user feature and the historical click theme information respectively; and displaying the to-be-recommended themes with the click probabilities meeting a predetermined requirement on the map. The efficiency of acquiring information through maps by users and the like can be improved by use of the solutions according to the present application.

公开(公告)号：US11556812B2

公开(公告)日：2023-01-17

申请号：US16749029

申请日：2020-01-22

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

Inventor： Qian Li ,  Yabing Shi ,  Haijin Liang ,  Yang Zhang ,  Yong Zhu

IPC: G06N5/04 ,  G06F16/21 ,  G06F16/28 ,  G06F40/253 ,  G06N5/02

Abstract: Embodiments of the present disclosure provide to a method and a device for acquiring a data model in a knowledge graph, an apparatus and a storage medium. The method includes: receiving a knowledge entry describing a relationship between an entity and an object; determining a plurality of candidate object types of the object according to at least one of the entity, the relationship and the object; determining an object type for generating a data model that matches the knowledge entry from the plurality of candidate object types based on a preset rule; and generating the data model based at least on the object type.

公开(公告)号：US11520812B2

公开(公告)日：2022-12-06

申请号：US16689862

申请日：2019-11-20

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

Inventor： Ye Xu ,  Zhifan Feng ,  Zhou Fang ,  Yang Zhang ,  Yong Zhu

IPC: G06F7/00 ,  G06F16/332 ,  G06K9/62 ,  G06N5/02 ,  G06V30/418

Abstract: Embodiments of the present disclosure provide a method, apparatus, device and medium for determining text relevance. The method for determining text relevance may include: identifying, from a predefined knowledge base, a first set of knowledge elements associated with a first text and a second set of knowledge elements associated with a second text. The knowledge base includes a knowledge representation consist of knowledge elements. The method may further include: determining knowledge element relevance between the first set of knowledge elements and the second set of knowledge elements, and determining text relevance between the second text and the first text based at least on the knowledge element relevance.

公开(公告)号：US12205043B2

公开(公告)日：2025-01-21

申请号：US17208921

申请日：2021-03-22

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

Inventor： Shuangquan Yang ,  Yang Zhang ,  Chang Liu ,  Yi Xie

IPC: G06F16/901 ,  G06F16/906 ,  G06N5/022

Abstract: The present disclosure provides a method for generating a knowledge graph, a method for mining relation and an apparatus for generating a knowledge graph. The method for generating a knowledge graph includes: obtaining an initial knowledge graph, wherein the initial knowledge graph comprises a plurality of nodes having connection relationships; determining a plurality of target map elements meeting preset property information requirements from the initial knowledge graph, in which the target map elements comprise target nodes, or target edges; and merging the plurality of the target map elements to generate a knowledge graph.

公开(公告)号：US11321421B2

公开(公告)日：2022-05-03

申请号：US16539796

申请日：2019-08-13

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

Inventor： Fang Huang ,  Shuangjie Li ,  Bingyang Yu ,  Yabing Shi ,  Haijin Liang ,  Yang Zhang ,  Yong Zhu

IPC: G06F16/958 ,  G06F16/953

Abstract: Embodiments of the present disclosure provide a method, an apparatus and a device for generating entity relationship data, and a storage medium. The method includes: obtaining webpage source data corresponding to a target webpage; identifying at least one key value block from the webpage source data, wherein the key value block comprises at least one key value pair; identifying body values corresponding to the at least one key value block from the webpage source data; and generating entity relationship data corresponding to the target webpage according to the key value blocks and the body values corresponding to the key value blocks. With the technical solution the present disclosure, the webpage universality may be improved, labor cost may be reduced, and output quantity of the entity relationship data may be increased.