Patents by Inventor Hyun-ok Kim

Hyun-ok Kim 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).

  • Publication number: 20250209106
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Application
    Filed: March 10, 2025
    Publication date: June 26, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Wuk SON, Hyun Ok Kim, You Kyung KWON, In Je SEONG, Yong Sun CHOI, Ha Kyeom MOON
  • Publication number: 20250190685
    Abstract: An unstructured document analysis method according to an embodiment includes: operations of acquiring unstructured document data including font characteristic data and document structure data, extracting text included in the unstructured document data on the basis of the font characteristic data or the document structure data, classifying the extracted text into a pre-classified item using a trained neural network model, acquiring a content query related to the content included in the unstructured document data and associated with the pre-classified item, and generating an answer to the content query on the basis of the extracted text classified into the item.
    Type: Application
    Filed: February 19, 2025
    Publication date: June 12, 2025
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok Kim, Seong Woo Park, Jae Yeob Jung, Yo Han Moon, Min Sun Song
  • Patent number: 12259917
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Grant
    Filed: November 29, 2022
    Date of Patent: March 25, 2025
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Wuk Son, Hyun Ok Kim, You Kyung Kwon, In Je Seong, Yong Sun Choi, Ha Kyeom Moon
  • Patent number: 12254263
    Abstract: An unstructured document analysis method according to an embodiment includes: operations of acquiring unstructured document data including font characteristic data and document structure data, extracting text included in the unstructured document data on the basis of the font characteristic data or the document structure data, classifying the extracted text into a pre-classified item using a trained neural network model, acquiring a content query related to the content included in the unstructured document data and associated with the pre-classified item, and generating an answer to the content query on the basis of the extracted text classified into the item.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: March 18, 2025
    Assignee: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, Seong Woo Park, Jae Yeob Jung, Yo Han Moon, Min Sun Song
  • Publication number: 20250068855
    Abstract: The present invention relates to a context-based QA generation architecture for generating diverse QA pairs from a single context. The context-based QA generation architecture includes a latent variable generating network, an answer generating network and a question generating network. The latent variable generating network comprises multiple Bi-LSTM encoders encode the a first context, the a first question and the a first answer to generate a first context vector, a first question vector and a first answer vector, respectively, a first Multi-Layer Perceptron (MLP) generate a first question latent variable based on the first context vector and the first question vector, and a second MLP generate a first answer latent variable based on the first question latent variable and the first answer vector. The answer generating network and the question generating network are trained based on the first context, the first question latent variable and the first answer latent variable.
    Type: Application
    Filed: November 11, 2024
    Publication date: February 27, 2025
    Applicants: 42 Maru Inc., Korea Advanced Institute of Science and Technology
    Inventors: Dong Hwan Kim, Sung Ju Hwang, Seanie Lee, Dong Bok Lee, Woo Tae Jeong, Han Su Kim, You Kyung Kwon, Hyun Ok Kim
  • Patent number: 12159118
    Abstract: The present invention relates to a context-based QA generation architecture, and an object of the present invention is to generate diverse QA pairs from a single context. To achieve the object, the present invention includes a latent variable generating network including at least one encoder and an artificial neural network (Multi-Layer Perceptron: MLP) and configured to train the artificial neural network using a first context, a first question, and a first answer, and generate a second question latent variable and a second answer latent variable by applying the trained artificial neural network to a second context, an answer generating network configured to generate a second answer by decoding the second answer latent variable, and a question generating network configured to generate a second question based on a second context and the second answer.
    Type: Grant
    Filed: December 18, 2023
    Date of Patent: December 3, 2024
    Assignees: 42 Maru Inc., Korea Advanced Institute of Science and Technology
    Inventors: Dong Hwan Kim, Sung Ju Hwang, Seanie Lee, Dong Bok Lee, Woo Tae Jeong, Han Su Kim, You Kyung Kwon, Hyun Ok Kim
  • Patent number: 12141532
    Abstract: Aspects of the subject disclosure may include, systems and methods, for example, including receiving a user question data in a speech format or a text format, analyzing the user question data, selecting a plurality of documents from a plurality of domains corresponding to the user question data, searching for a plurality of passages including candidates for an answer value determined as being suitable for the user question data, in the plurality of documents, obtaining candidates by inputting the user question data and the plurality of passages into a plurality of MRC question and answer units, determining the answer value based on whether a reliability value of each of the candidates exceeds a threshold value, and providing the determined answer value to a user. Other embodiments are disclosed.
    Type: Grant
    Filed: October 5, 2023
    Date of Patent: November 12, 2024
    Assignee: 42 Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, Woo Tae Jeong
  • Publication number: 20240168984
    Abstract: A method of retrieving a document according to an embodiment of the present application includes: acquiring a user retrieval query; calculating a user inquiry vector in a unit of sentence from the user retrieval query and acquiring a first document candidate group based on similarity between the calculated user inquiry vector and an embedding vector of a document stored in a retrieval database; acquiring a second document candidate group based on similarity between a text included in the user retrieval query and a text of the document stored in the retrieval database; and determining a summarization target document based on the first document candidate group and the second document candidate group.
    Type: Application
    Filed: November 29, 2022
    Publication date: May 23, 2024
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan Kim, Hyun Wuk Son, Hyun Ok Kim, You Kyung Kwon, In Je Seong, Yong Sun Choi, Ha Kyeom Moon
  • Publication number: 20240143940
    Abstract: The present invention relates to a context-based QA generation architecture, and an object of the present invention is to generate diverse QA pairs from a single context. To achieve the object, the present invention includes a latent variable generating network including at least one encoder and an artificial neural network (Multi-Layer Perceptron: MLP) and configured to train the artificial neural network using a first context, a first question, and a first answer, and generate a second question latent variable and a second answer latent variable by applying the trained artificial neural network to a second context, an answer generating network configured to generate a second answer by decoding the second answer latent variable, and a question generating network configured to generate a second question based on a second context and the second answer.
    Type: Application
    Filed: December 18, 2023
    Publication date: May 2, 2024
    Inventors: Dong Hwan KIM, Sung Ju HWANG, Seanie LEE, Dong Bok LEE, Woo Tae JEONG, Han Su KIM, You Kyung KWON, Hyun Ok KIM
  • Patent number: 11886233
    Abstract: The present invention relates to a context-based QA generation architecture, and an object of the present invention is to generate diverse QA pairs from a single context. To achieve the object, the present invention includes a latent variable generating network including at least one encoder and an artificial neural network (Multi-Layer Perceptron: MLP) and configured to train the artificial neural network using a first context, a first question, and a first answer, and generate a second question latent variable and a second answer latent variable by applying the trained artificial neural network to a second context, an answer generating network configured to generate a second answer by decoding the second answer latent variable, and a question generating network configured to generate a second question based on a second context and the second answer.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: January 30, 2024
    Inventors: Dong Hwan Kim, Sung Ju Hwang, Seanie Lee, Dong Bok Lee, Woo Tae Jeong, Han Su Kim, You Kyung Kwon, Hyun Ok Kim
  • Publication number: 20240028837
    Abstract: Aspects of the subject disclosure may include, systems and methods, for example, including receiving a user question data in a speech format or a text format, analyzing the user question data, selecting a plurality of documents from a plurality of domains corresponding to the user question data, searching for a plurality of passages including candidates for an answer value determined as being suitable for the user question data, in the plurality of documents, obtaining candidates by inputting the user question data and the plurality of passages into a plurality of MRC question and answer units, determining the answer value based on whether a reliability value of each of the candidates exceeds a threshold value, and providing the determined answer value to a user. Other embodiments are disclosed.
    Type: Application
    Filed: October 5, 2023
    Publication date: January 25, 2024
    Applicant: 42 Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok KIM, Woo Tae JEONG
  • Patent number: 11816441
    Abstract: A machine reading comprehension (MRC) question and answer providing method includes receiving a user question; analyzing the user question; selecting at least one document from at least one domain corresponding to an analyzed user question and searching for a passage, which is a candidate answer determined as being suitable for the user question, in the selected at least one document; obtaining at least one correct answer candidate value by inputting the user question and a corresponding passage into each of at least one MRC question and answer unit; and determining whether the at least one correct answer candidate value is a best answer.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: November 14, 2023
    Assignee: 42 MARU INC.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, Woo Tae Jeong
  • Publication number: 20230177251
    Abstract: An unstructured document analysis method according to an embodiment includes: operations of acquiring unstructured document data including font characteristic data and document structure data, extracting text included in the unstructured document data on the basis of the font characteristic data or the document structure data, classifying the extracted text into a pre-classified item using a trained neural network model, acquiring a content query related to the content included in the unstructured document data and associated with the pre-classified item, and generating an answer to the content query on the basis of the extracted text classified into the item.
    Type: Application
    Filed: December 9, 2021
    Publication date: June 8, 2023
    Applicant: 42Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok Kim, Seong Woo Park, Jae Yeob Jung, Yo Han Moon, Min Sun Song
  • Patent number: 11627788
    Abstract: A freely-transformable multipurpose carrier bag. The freely-transformable multipurpose carrier bag can be conveniently moved in the form of a carrier bag both indoors and outdoors and irrespective of the size of a place, can be transformed into and used as a table having a chair, can expose a pre-embedded electronic device component to the outside if needed, so as to enable a user to enjoy various forms of entertainment such as watching TV, using a computer, playing a game, or singing along with music, and can also enable the user to perform a business task, so that the user can universally perform both work and play.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: April 18, 2023
    Inventor: Hyun Ok Kim
  • Publication number: 20230078362
    Abstract: A machine reading comprehension (MRC) question and answer providing method includes receiving a user question; analyzing the user question; selecting at least one document from at least one domain corresponding to an analyzed user question and searching for a passage, which is a candidate answer determined as being suitable for the user question, in the selected at least one document; obtaining at least one correct answer candidate value by inputting the user question and a corresponding passage into each of at least one MRC question and answer unit; and determining whether the at least one correct answer candidate value is a best answer.
    Type: Application
    Filed: November 18, 2022
    Publication date: March 16, 2023
    Applicant: 42 Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok KIM, Woo Tae JEONG
  • Patent number: 11531818
    Abstract: A machine reading comprehension (MRC) question and answer providing method includes receiving a user question; analyzing the user question; selecting at least one document from at least one domain corresponding to an analyzed user question and searching for a passage, which is a candidate answer determined as being suitable for the user question, in the selected at least one document; obtaining at least one correct answer candidate value by inputting the user question and a corresponding passage into each of at least one MRC question and answer unit; and determining whether the at least one correct answer candidate value is a best answer.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: December 20, 2022
    Assignee: 42 MARU INC.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, Woo Tae Jeong
  • Publication number: 20220147718
    Abstract: The present invention relates to a context-based QA generation architecture, and an object of the present invention is to generate diverse QA pairs from a single context. To achieve the object, the present invention includes a latent variable generating network including at least one encoder and an artificial neural network (Multi-Layer Perceptron: MLP) and configured to train the artificial neural network using a first context, a first question, and a first answer, and generate a second question latent variable and a second answer latent variable by applying the trained artificial neural network to a second context, an answer generating network configured to generate a second answer by decoding the second answer latent variable, and a question generating network configured to generate a second question based on a second context and the second answer.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 12, 2022
    Inventors: Dong Hwan KIM, Han Su KIM, You Kyung KWON, Hyun Ok KIM, Sean Le LEE
  • Patent number: 11315547
    Abstract: Provided is a system for generating speech recognition training data, the system including: a speech data processing module receiving speech data from a user terminal and performing data preprocessing on the received speech data; an auto speech recognition (ASR) interfacing module transmitting the preprocessed speech data to a plurality of ASR engines and acquiring a confidence score and transcription data of the speech data from the plurality of ASR engines; an ASR result evaluating module determining whether the speech data and the transcription data match each other; and a training data managing unit generating training data as a pair of the speech data and the transcription data determined to match each other.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: April 26, 2022
    Assignee: 42 MARU INC.
    Inventors: Dong Hwan Kim, Hyun Ok Kim, You Kyung Kwon
  • Publication number: 20210315337
    Abstract: A freely-transformable multipurpose carrier bag. The freely-transformable multipurpose carrier bag can be conveniently moved in the form of a carrier bag both indoors and outdoors and irrespective of the size of a place, can be transformed into and used as a table having a chair, can expose a pre-embedded electronic device component to the outside if needed, so as to enable a user to enjoy various forms of entertainment such as watching TV, using a computer, playing a game, or singing along with music, and can also enable the user to perform a business task, so that the user can universally perform both work and play.
    Type: Application
    Filed: August 13, 2019
    Publication date: October 14, 2021
    Inventor: Hyun Ok KIM
  • Publication number: 20210149994
    Abstract: A machine reading comprehension (MRC) question and answer providing method includes receiving a user question; analyzing the user question; selecting at least one document from at least one domain corresponding to an analyzed user question and searching for a passage, which is a candidate answer determined as being suitable for the user question, in the selected at least one document; obtaining at least one correct answer candidate value by inputting the user question and a corresponding passage into each of at least one MRC question and answer unit; and determining whether the at least one correct answer candidate value is a best answer.
    Type: Application
    Filed: November 15, 2019
    Publication date: May 20, 2021
    Applicant: 42 Maru Inc.
    Inventors: Dong Hwan KIM, Hyun Ok KIM, Woo Tae JEONG