Patents by Inventor Xinwei Feng

Xinwei Feng 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).

  • Patent number: 12236361
    Abstract: The present disclosure discloses a question analysis method, a device, a knowledge base question answering system and an electronic equipment. The method includes: analyzing a question to obtain N linearized sequences, N being an integer greater than 1; converting the N linearized sequences into N network topology maps; separately calculating a semantic matching degree of each of the N network topology maps to the question; and selecting a network topology map having a highest semantic matching degree to the question as a query graph of the question from the N network topology maps. According to the technology of the present disclosure, the query graph of the question can be obtained more accurately, and the accuracy of the question to the query graph is improved, thereby improving the accuracy of question analysis.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: February 25, 2025
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd
    Inventors: Wenbin Jiang, Huanyu Zhou, Meng Tian, Ying Li, Xinwei Feng, Xunchao Song, Pengcheng Yuan, Yajuan Lyu, Yong Zhu
  • Publication number: 20250031710
    Abstract: Disclosed is a method for preparing a lactose-free dairy product containing galactooligosaccharides, comprising a step of using ordinary lactase and ?-galactosidase with transgalactosylation activity, wherein the ordinary lactase decomposes lactose in a dairy product starting material to galactose and glucose; wherein the ?-galactosidase with transgalactosylation activity decomposes lactose in the dairy product starting material to galactose and glucose, and transfers galactose obtained through decomposition onto a hydroxyl group of lactose in the dairy product starting material to achieve conversion to galactooligosaccharides, and optionally, conversion to higher-order galactooligosaccharides; and wherein the galactose obtained through decomposition comprises: 1) galactose obtained by decomposition of lactose by the ordinary lactase; and/or 2) galactose obtained by decomposition of lactose by the ?-galactosidase with transgalactosylation activity.
    Type: Application
    Filed: December 1, 2022
    Publication date: January 30, 2025
    Inventors: Boya LIU, Xinwei FENG, Jia LI, Tushar JOSHI, Fujun GAO, Jia Wei HUANG
  • Patent number: 12175379
    Abstract: The present disclosure discloses a method, apparatus, device, and storage medium for training a model, relates to the technical fields of knowledge graph, natural language processing, and deep learning. The method may include: acquiring a first annotation data set, the first annotation data set including sample data and a annotation classification result corresponding to the sample data; training a preset initial classification model based on the first annotation data set to obtain an intermediate model; performing prediction on the sample data in the first annotation data set using the intermediate model to obtain a prediction classification result corresponding to the sample data; generating a second annotation data set based on the sample data, the corresponding annotation classification result, and the corresponding prediction classification result; and training the intermediate model based on the second annotation data set to obtain a classification model.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: December 24, 2024
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Hongjian Shi, Wenbin Jiang, Xinwei Feng, Miao Yu, Huanyu Zhou, Meng Tian, Xueqian Wu, Xunchao Song
  • Publication number: 20240303430
    Abstract: A technical solution for processing a model generation result, which relates to the field of artificial intelligence technologies is disclosed. An implementation includes: disassembling a text generation result of a generative large model to obtain a plurality of result logic units; wherein each result logic unit includes a segment in the text generation result; each segment is capable of independently identifying one premise or conclusion in a logical inference relationship of the text generation result; and the text generation result is a response result generated by the generative large model based on text input information; generating a logical inference graph capable of characterizing a logical inference relationship among the plurality of result logic units based on the plurality of result logic units; and determining whether logical inference of generation of the text generation result by the generative large model is correct or not based on the logical inference graph.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Meng TIAN, Lin YANG, Xinwei FENG, Zhifan FENG, Xiaopeng CUI, Qiaoqiao SHE, Hua WU
  • Patent number: 11669690
    Abstract: A method for processing a sematic description of a text entity is proposed. The method includes: acquiring a plurality of target texts containing a main entity, and extracting related entities describing the main entity from each target text; acquiring a sub-relation vector of a pair of the main entity and each related entity in each target text; calculating a similarity distance of the main entity between different target texts based on the sub-relation vector; and determining a semantic similarity of the main entity descripted in different target texts based on the similarity distance.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: June 6, 2023
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Songtai Dai, Xinwei Feng, Miao Yu, Huanyu Zhou, Xunchao Song, Pengcheng Yuan
  • Publication number: 20230013796
    Abstract: The present disclosure provides a method and apparatus for acquiring a pre-trained model, an electronic device and a storage medium, and relates to the fields such as deep learning, natural language processing, knowledge graph and intelligent voice. The method may include: acquiring a pre-training task set composed of M pre-training tasks, M being a positive integer greater than 1, the pre-training tasks including: N question-answering tasks corresponding to different question-answering forms, N being a positive integer greater than 1 and less than or equal to M; and jointly pre-training the pre-trained model according to the M pre-training tasks.
    Type: Application
    Filed: July 15, 2022
    Publication date: January 19, 2023
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Wenbin JIANG, Zhifan FENG, Xinwei FENG, Yajuan LYU, Yong ZHU
  • Publication number: 20220414474
    Abstract: A search method based on a neural network model is provided. The neural network model includes a semantic representation model, a recall model, and a ranking model. The present disclosure relates to the field of artificial intelligence, and in particular to the technical field of search. An implementation of the method comprises: inputting a target search and a plurality of objects to be matched to the semantic representation model to obtain a first output of the semantic representation model; inputting the first output of the semantic representation model to the recall model, and obtaining at least one recall object matching the target search from the plurality of objects to be matched by using the recall model; and inputting a second output of the semantic representation model to the ranking model, and obtaining a matching value of each of the at least one recall object by using the ranking model.
    Type: Application
    Filed: September 1, 2022
    Publication date: December 29, 2022
    Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Hongjian Shi, Xinwei Feng, Feifei Li, Chenyang Guo, Xueqian Wu, Meng Tian, Yu Sun
  • Publication number: 20220391426
    Abstract: The present disclosure provides a multi-system-based intelligent question answering method and apparatus, and a device, relating to the field of artificial intelligence, in particular to the field of knowledge graph. The specific implementation solution is: determining a question category of question information in response to a question answering instruction of a user, wherein the question answering instruction is used to indicate the question information; determining a query engine corresponding to the question category, and invoking multiple question analysis systems corresponding to the query engine according to the query engine; and feeding back answer information to the user when the answer information corresponding to the question information is determined according to a current question analysis system in a process of processing the question information by sequentially using the multiple question analysis systems according to system priorities of the question analysis systems.
    Type: Application
    Filed: August 17, 2022
    Publication date: December 8, 2022
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Xinwei FENG, Meng TIAN, Feifei LI, Hongjian SHI, Wenbin JIANG, Xueqian WU, Chenyang GUO, Yu WANG, Yu SUN, Shuaiyu CHEN
  • Patent number: 11409813
    Abstract: A method and apparatus for mining a general tag, a server and a medium are disclosed. The method can comprise: matching a tag seed rule containing a tag placeholder and an attribute of the tag placeholder with historical search information to determine a matching tag; combining the existing tag seed rule and the matching tag to construct a new search sequence set; and performing a generalization process on search sequences included in the new search sequence set to obtain a new tag seed rule, and returning to perform the operation of matching the new tag seed rule with the historical search information to determine a new tag until the tag and the tag seed rule satisfy a convergence condition. A more comprehensive and profound tag can be mined, and the entire flow of mining the tag can not be dependent on a vertical website.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: August 9, 2022
    Assignee: Beijing Baidu Netcom Science and Technology Co., Ltd.
    Inventors: Xinwei Feng, Xuping Cao, Yilin Zhang, Ying Li
  • Patent number: 11372942
    Abstract: Embodiments of the present disclosure provide a method, apparatus, computer device, and storage medium for verifying community question answer data. The method may include: acquiring a community question answer data set, and generating a plurality of question answer pairs based on the community question answer data set, a question answer pair including: a question, and a to-be-verified answer corresponding to the question; generating an authoritative data set based on data stored in at least one confidence source site; and performing an authority verification on the to-be-verified answer, based on a score of a similarity between the to-be-verified answer and authoritative data in the authoritative data set in at least one dimension.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: June 28, 2022
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Miao Yu, Xinwei Feng, Huanyu Zhou, Xunchao Song, Songtai Dai
  • Patent number: 11366819
    Abstract: A method for obtaining an answer to a question is provided. The method may include: acquiring a question; determining at least a part of articles in a preset article database as candidate articles, and determining first scores of the candidate articles respectively, the first score of any of the candidate articles representing a matching degree between the candidate article and the question; determining at least a part of texts in each of the candidate articles as candidate texts, and determining second scores of the candidate texts respectively, the second score of any of the candidate texts representing a matching degree between the candidate text and the question; and determining at least a part of the candidate texts as the answer based on a score set of each of the candidate texts, the score set of any of the candidate texts including the second score and the first score.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: June 21, 2022
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Songtai Dai, Xinwei Feng, Miao Yu, Huanyu Zhou, Xunchao Song, Pengcheng Yuan
  • Patent number: 11216618
    Abstract: Embodiments of the present disclosure provide a query processing method and an apparatus, a server and a storage medium. The method includes: determining a word vector representation of a query sequence and an entity vector representation of the query sequence respectively based on respective words and respective entities included in the query sequence; determining a word vector representation of a paragraph and an entity vector representation of the paragraph respectively based on respective words and respective entities included in the paragraph; and determining a similarity between the query sequence and the paragraph according to the word vector representation of the query sequence, the entity vector representation of the query sequence, the word vector representation of the paragraph, and the entity vector representation of the paragraph.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: January 4, 2022
    Assignee: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Xinwei Feng, Xunchao Song, Miao Yu, Huanyu Zhou, Shaoshun Kang
  • Publication number: 20210390428
    Abstract: The present disclosure discloses a method, apparatus, device, and storage medium for training a model, relates to the technical fields of knowledge graph, natural language processing, and deep learning. The method may include: acquiring a first annotation data set, the first annotation data set including sample data and a annotation classification result corresponding to the sample data; training a preset initial classification model based on the first annotation data set to obtain an intermediate model; performing prediction on the sample data in the first annotation data set using the intermediate model to obtain a prediction classification result corresponding to the sample data; generating a second annotation data set based on the sample data, the corresponding annotation classification result, and the corresponding prediction classification result; and training the intermediate model based on the second annotation data set to obtain a classification model.
    Type: Application
    Filed: December 11, 2020
    Publication date: December 16, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Hongjian Shi, Wenbin Jiang, Xinwei Feng, Miao Yu, Huanyu Zhou, Meng Tian, Xueqian Wu, Xunchao Song
  • Publication number: 20210390260
    Abstract: The present disclosure discloses a method, apparatus, device, and storage medium for matching semantics, relates to the technical fields of knowledge graph, natural language processing, and deep learning. The method may include: acquiring a first text and a second text; acquiring language knowledge related to the first text and the second text; determining a target embedding vector based on the first text, the second text, and the language knowledge; and determining a semantic matching result of the first text and the second text, based on the target embedding vector.
    Type: Application
    Filed: December 11, 2020
    Publication date: December 16, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Hongjian SHI, Wenbin JIANG, Xinwei FENG, Miao YU, Huanyu ZHOU, Meng Tian, Xueqian Wu, Xunchao Song
  • Publication number: 20210319335
    Abstract: The present disclosure discloses a question analysis method, a device, a knowledge base question answering system and an electronic equipment. The method includes: analyzing a question to obtain N linearized sequences, N being an integer greater than 1; converting the N linearized sequences into N network topology maps; separately calculating a semantic matching degree of each of the N network topology maps to the question; and selecting a network topology map having a highest semantic matching degree to the question as a query graph of the question from the N network topology maps. According to the technology of the present disclosure, the query graph of the question can be obtained more accurately, and the accuracy of the question to the query graph is improved, thereby improving the accuracy of question analysis.
    Type: Application
    Filed: September 29, 2020
    Publication date: October 14, 2021
    Applicant: Beijing Baidu Netcom Science and Technology Co., Ltd
    Inventors: Wenbin JIANG, Huanyu ZHOU, Meng TIAN, Ying LI, Xinwei FENG, Xunchao SONG, Pengcheng YUAN, Yajuan LYU, Yong ZHU
  • Publication number: 20210216722
    Abstract: A method for processing a sematic description of a text entity is proposed. The method includes: acquiring a plurality of target texts containing a main entity, and extracting related entities describing the main entity from each target text; acquiring a sub-relation vector of a pair of the main entity and each related entity in each target text; calculating a similarity distance of the main entity between different target texts based on the sub-relation vector; and determining a semantic similarity of the main entity descripted in different target texts based on the similarity distance.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 15, 2021
    Inventors: Songtai DAI, Xinwei FENG, Miao YU, Huanyu ZHOU, Xunchao SONG, Pengcheng YUAN
  • Publication number: 20210209309
    Abstract: The disclosure discloses a semantics processing method, a semantics processing apparatus, an electronic device, and a medium, and relates to a field of knowledge graph technologies. The detailed implementation includes: determining a target semantic element rule matching a text to be parsed, and parsing the text to be parsed by employing the target semantic element rule to obtain a semantic element parsing result; generating a semantic tree based on the semantic element parsing result by employing a target structured rule associated with the target semantic element rule; and performing semantic understanding on the text to be parsed based on the semantic tree.
    Type: Application
    Filed: March 25, 2021
    Publication date: July 8, 2021
    Applicant: BEIJING BAIDU NETCOM SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Meng Tian, Miao Yu, Wenbin Jiang, Xinwei Feng, Huanyu Zhou, Pengcheng Yuan, Xunchao Song, Xueqian Wu, Hongjian Shi
  • Patent number: 11055373
    Abstract: Embodiments of the disclosure disclose a method and apparatus for generating information. A specific embodiment of the method comprises: acquiring a historical click log, the historical click log comprising a historical search term and a clicked historical search result corresponding to the historical search term; determining whether matching clicked historical search results exist in the historical click log; establishing a synonymous relationship between historical search terms corresponding to the matching clicked historical search results, in response to determining the matching clicked historical search results existing in the historical click log; and generating a relational word list based on the established synonymous relationship. The embodiment helps to enrich the content of the relational word list, and improve the coverage of the relational word list.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: July 6, 2021
    Assignee: Beijing Baidu Netcom Science and Technology Co., LTD.
    Inventors: Pengcheng Yuan, Renkai Yang, Xunchao Song, Xiaobo Liu, Xinwei Feng
  • Publication number: 20210191961
    Abstract: The present application discloses a method, an apparatus, a device, and a computer readable storage medium for determining a target content, the method includes: splitting an article paragraph determined according to search information into multiple sentences, and determining a relationship between the sentences according to attributes of the sentences; determining a sentence representation corresponding to each of the sentences according to the relationship between the sentences; and determining a target sentence according to the sentence representation of the sentence and the search information, and determining a target content according to the target sentence, so that the method, the apparatus, the device, and the computer readable storage medium provided by the present disclosure can analyze each of the sentences in combination with the relationship between the sentences, thereby determining a target content that more closely matches the search information.
    Type: Application
    Filed: January 11, 2021
    Publication date: June 24, 2021
    Applicant: Beijing Baidu Netcom Science Technology Co., Ltd.
    Inventors: Xinwei FENG, Zhixing TIAN, Songtai DAI, Miao YU, Huanyu ZHOU, Meng TIAN, Xueqian WU, Xunchao SONG, Pengcheng YUAN
  • Publication number: 20210011921
    Abstract: A method for obtaining an answer to a question is provided. The method may include: acquiring a question; determining at least a part of articles in a preset article database as candidate articles, and determining first scores of the candidate articles respectively, the first score of any of the candidate articles representing a matching degree between the candidate article and the question; determining at least a part of texts in each of the candidate articles as candidate texts, and determining second scores of the candidate texts respectively, the second score of any of the candidate texts representing a matching degree between the candidate text and the question; and determining at least a part of the candidate texts as the answer based on a score set of each of the candidate texts, the score set of any of the candidate texts including the second score and the first score.
    Type: Application
    Filed: March 6, 2020
    Publication date: January 14, 2021
    Inventors: Songtai DAI, Xinwei FENG, Miao YU, Huanyu ZHOU, Xunchao SONG, Pengcheng YUAN