Patents by Inventor Yi Gyu Hwang
Yi Gyu Hwang 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).
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Publication number: 20190155907Abstract: The present disclosure relates to a system and method of generating a sentence similar to a basis sentence for machine learning. For the same, the similar sentence generating method includes: generating a first similar sentence by using a word similar to a word included in a basis sentence; generating a second similar sentence of the basis sentence or the first similar sentence based on a speaker feature; and determining whether or not the first similar sentence and the second similar sentence are valid.Type: ApplicationFiled: November 20, 2018Publication date: May 23, 2019Applicant: MINDS LAB., INC.Inventors: Sung Jun PARK, Yi Gyu HWANG, Tae Joon YOO, Ki Hyun YUN
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Publication number: 20190019078Abstract: The present disclosure relates to an apparatus and method of allocating a question according to a question type or question feature. A question allocating apparatus for the same may include a question analysis unit generating at least one of question type information and question feature information of a current question; and a question allocating unit determining an answer generating unit suitable for the current questions among a plurality of answer generating units based on at least one of the question type information, and the question feature information, and allocating the current question to at least one answer generating including the determined answer generating unit.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Applicant: MINDS LAB., INC.Inventors: Yi Gyu HWANG, Kang Woo PARK, Dong Hyun YOO, Su Lyn HONG, Tae Joon YOO
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Publication number: 20190013012Abstract: The present disclosure relates to a system and method of sentence learning based on an unsupervised learning method. For the same, a sentence learning method may include: enhancing a basis sentence corpus by using a word similar to a word included in a basis sentence; performing learning for the basis sentence included in the basis sentence corpus based on an unsupervised learning method; and removing an abnormal sentence among at least one similar sentence obtained by performing of the sentence learning.Type: ApplicationFiled: July 4, 2018Publication date: January 10, 2019Applicant: MINDS LAB., INC.Inventors: Yi Gyu HWANG, Su Lyn HONG, Tae Joon YOO
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Patent number: 8554540Abstract: A topic map based indexing apparatus analyzes community Q/A lists to acquire Q/A analysis information, removes redundant answers depending on the Q/A analysis information, removes insignificant answers based on the degree of reliability, ranks answer lists, and extracts the highest ranking answer as a best answer, to thereby store, in a community Q/A topic map, index information containing the community Q/A lists and the Q/A analysis information. A topic map based searching apparatus analyzes a user question to acquire question analysis information, searches similar questions from community Q/A lists belonging to a specific topic node of a pre-stored community Q/A topic map, ranks the searched similar questions depending on the question analysis information, removes redundant answers among answers to the ranked similar questions, ranks the answers, and extracts the highest ranking answer as a best answer.Type: GrantFiled: June 15, 2009Date of Patent: October 8, 2013Assignee: Electronics and Telecommunication Research InstituteInventors: Chung Hee Lee, Hyo-Jung Oh, Jeong Heo, Yi Gyu Hwang, Yeo Chan Yoon, Miran Choi, Chang Ki Lee, Soojong Lim, HyunKi Kim, Myung Gil Jang
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Patent number: 8380713Abstract: Provides is an apparatus for question answering based on answer trustworthiness including: an answer indexer that indexes documents of which document trustworthiness satisfying a threshold value among documents included in a document collection and stores it in a knowledge Bases; an answer candidate extractor that extracts answer candidate documents for a user's question from the knowledge Bases; an answer source trustworthiness measurement unit; an answer extraction strategy trustworthiness measurement unit; and a trustworthiness integrator that generates an answer candidate trustworthiness list by ranking the answer candidate documents on the basis of the document trustworthiness, the source trustworthiness, and the extraction strategy trustworthiness of the answer candidate documents.Type: GrantFiled: June 11, 2010Date of Patent: February 19, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Hyo-Jung Oh, Chung-Hee Lee, Soo-Jong Lim, Jeong Heo, Hyun-Ki Kim, Mi-Ran Choi, Yeo-Chan Yoon, Chang-Ki Lee, Yi-Gyu Hwang, Myung-Gil Jang
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Patent number: 8050909Abstract: Provided are an apparatus and method for post-processing a dialogue error in a speech dialogue system using multilevel verification, in which both of a user's current utterance and a whole dialogue flow are taken into account through the multilevel verification including speech recognition results analysis, linguistic analysis, discourse analysis and dialogue analysis. As a result, various errors that may occur in the speech dialogue system are detected, and error post-processing appropriate to a detected error type is performed, so that speech recognition errors may be reduced.Type: GrantFiled: May 27, 2008Date of Patent: November 1, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Hyo Jung Oh, Chung Hee Lee, Chang Ki Lee, Yi Gyu Hwang, Ji Hyun Wang, Myung Gil Jang
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Publication number: 20110258223Abstract: The present invention relates generally to a voice-based mobile search apparatus and method, and, more particularly, to a voice-based mobile search apparatus and method, which can present optimized search results suitable for a mobile status while allowing a user to conveniently use a search service in a mobile environment. The voice-based mobile search apparatus according to the present invention includes a voice recognition unit for recognizing a user's voice transferred through a mobile terminal and then receiving a query. A status information collection unit collects status information of the mobile terminal and profile information of the user. An answer search unit searches a knowledge base based on the query, and extracts short answers matching the query. An answer provision unit processes the short answers in conformity with the status information of the mobile terminal and the profile information of the user, and provides the processed short answers.Type: ApplicationFiled: April 13, 2011Publication date: October 20, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Soo-Jong Lim, Hyo-Jung Oh, Jeong Heo, Hyun-Ki Kim, Yeo-Chan Yoon, Yi-Gyu Hwang, Mi-Ran Choi, Chang-Ki Lee, Pum-Mo Ryu, Chung-Hee Lee, Myung-Gil Jang
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Publication number: 20110145251Abstract: A system and method for constructing a named entity dictionary are disclosed. The method includes analyzing a structure of collected Web text, extracting tabulated or listed information from the Web text, extracting a named entity from the tabulated or listed information, categorizing the extracted named entity, and registering the categorized named entity in a named entity dictionary.Type: ApplicationFiled: May 26, 2010Publication date: June 16, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Chang Ki LEE, Myung Gil JANG, Yeo Chan YOON, Mi Ran CHOI, Hyun Ki KIM, Pum Mo RYU, Soo Jong LIM, Yi Gyu HWANG, Chung Hee LEE, Hyo Jung OH, Jeong HEO
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Publication number: 20110087656Abstract: Provides is an apparatus for question answering based on answer trustworthiness including: an answer indexer that indexes documents of which document trustworthiness satisfying a threshold value among documents included in a document collection and stores it in a knowledge Bases; an answer candidate extractor that extracts answer candidate documents for a user's question from the knowledge Bases; an answer source trustworthiness measurement unit; an answer extraction strategy trustworthiness measurement unit; and a trustworthiness integrator that generates an answer candidate trustworthiness list by ranking the answer candidate documents on the basis of the document trustworthiness, the source trustworthiness, and the extraction strategy trustworthiness of the answer candidate documents.Type: ApplicationFiled: June 11, 2010Publication date: April 14, 2011Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyo-Jung OH, Chung-Hee LEE, Soo-Jong LIM, Jeong HEO, Hyun-Ki KIM, Mi-Ran CHOI, Yeo-Chan YOON, Chang-Ki LEE, Yi-Gyu HWANG, Myung-Gil JANG
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Publication number: 20100153094Abstract: A topic map based indexing apparatus analyzes community Q/A lists to acquire Q/A analysis information, removes redundant answers depending on the Q/A analysis information, removes insignificant answers based on the degree of reliability, ranks answer lists, and extracts the highest ranking answer as a best answer, to thereby store, in a community Q/A topic map, index information containing the community Q/A lists and the Q/A analysis information. A topic map based searching apparatus analyzes a user question to acquire question analysis information, searches similar questions from community Q/A lists belonging to a specific topic node of a pre-stored community Q/A topic map, ranks the searched similar questions depending on the question analysis information, removes redundant answers among answers to the ranked similar questions, ranks the answers, and extracts the highest ranking answer as a best answer.Type: ApplicationFiled: June 15, 2009Publication date: June 17, 2010Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chung Hee LEE, Hyo-Jung Oh, Jeong Heo, Yi Gyu Hwang, Yeo Chan Yoon, Miran Choi, Chang Ki Lee, Soojong Lim, HyunKi Kim, Myung Gil Jang
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Publication number: 20100153210Abstract: The invention provides an apparatus and method for selecting an online advertisement. An apparatus for selecting an online advertisement based on contents sentiment and intention analysis includes a context analysis unit for analyzing a context of contents, a context matching advertisement recommendation unit for selecting an advertisement matching with the context of the contents from an advertisement database (DB) based on the result of the analyzed context, an sentiment information analysis unit for analyzing an sentiment object and sentiment information variously described in the contents based on the result of the analyzed context, an intention recognition unit for recognizing a writing intention of the contents, and an advertisement selection unit for excluding the selected advertisement for the contents or selecting an alternative advertisement depending on the result of the analyzed context, the result of the analyzed sentiment object and sentiment information and the recognized writing intention.Type: ApplicationFiled: August 7, 2009Publication date: June 17, 2010Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyo-Jung OH, Chung Hee Lee, Chang Ki Lee, Myung Gil Jang, HyunKi Kim, Soojong Lim, Jeong Heo, Yi Gyu Hwang, Yeo Chan Yoon, Miran Choi
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Patent number: 7698262Abstract: Provided are an apparatus and method for searching multimedia data based on metadata. The apparatus for searching multimedia data includes: a mapping information storing unit for storing and managing mapping information between a Moving Picture Experts Group 7 (MPEG-7) query attribute and an MPEG-7 metadata property; and a query attribute mapping unit for acquiring the MPEG-7 metadata property to be mapped with the MPEG-7 query attribute according to a user query based on the mapping information.Type: GrantFiled: February 2, 2007Date of Patent: April 13, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Hee-Cheol Seo, Soo-Jun Park, Myung-Gil Jang, Hyun-Ki Kim, Yi-Gyu Hwang, Soo-Jong Lim, Jeong Heo
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Publication number: 20100023549Abstract: A method for social tagging using a property field of an ontology object includes: selecting an object in an ontology database storing therein objects in forms of classes; selecting a property field in a class corresponding to the selected object; and adding a social tag by storing user's input as a value of the selected property field. Classes stored in the ontology database may have property fields defined when instances of the classes are created, and specific values may be stored as values of the property fields also when the instances are created. The property fields defined when the instances are created are classified into data type property fields and object type property field, and the selected property field is a data type property field.Type: ApplicationFiled: April 2, 2009Publication date: January 28, 2010Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Miran CHOI, Jeong Heo, Myung Gil Jang, Hyunki Kim, Yi Gyu Hwang, Chung Hee Lee, Soojong Lim, Hyo-Jung Oh, Chang Ki Lee, Yeo Chan Yoon
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Publication number: 20090076798Abstract: Provided are an apparatus and method for post-processing a dialogue error in a speech dialogue system using multilevel verification, in which both of a user's current utterance and a whole dialogue flow are taken into account through the multilevel verification including speech recognition results analysis, linguistic analysis, discourse analysis and dialogue analysis. As a result, various errors that may occur in the speech dialogue system are detected, and error post-processing appropriate to a detected error type is performed, so that speech recognition errors may be reduced.Type: ApplicationFiled: May 27, 2008Publication date: March 19, 2009Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyo Jung Oh, Chung Hee Lee, Chang Ki Lee, Yi Gyu Hwang, Ji Hyun Wang, Myung Gil Jang
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Patent number: 7412093Abstract: An apparatus and a hybrid method for recognizing answer type are disclosed.Type: GrantFiled: March 4, 2005Date of Patent: August 12, 2008Assignee: Electronics and Telecommunications Research InstituteInventors: Eui Sok Chung, Soojung Lim, Yi Gyu Hwang, Myung Gil Jang
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Publication number: 20080134038Abstract: Provided are a method and apparatus for providing information according to a user's request, and more particularly, an interactive information providing service method and apparatus for analyzing a user's request and providing information corresponding to the request on the basis of a dialog input received from the user.Type: ApplicationFiled: December 5, 2007Publication date: June 5, 2008Applicant: Electronics and Telecommunications ResearchInventors: Hyo Jung OH, Chung Hee Lee, Hyeon Jin Kim, Chang Ki Lee, Yi Gyu Hwang, Ji Hyun Wang, Myung Gil Jang, Yun Keun Lee
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Publication number: 20070233673Abstract: Provided are an apparatus and method for searching multimedia data based on metadata. The apparatus for searching multimedia data includes: a mapping information storing unit for storing and managing mapping information between a Moving Picture Experts Group 7 (MPEG-7) query attribute and an MPEG-7 metadata property; and a query attribute mapping unit for acquiring the MPEG-7 metadata property to be mapped with the MPEG-7 query attribute according to a user query based on the mapping information.Type: ApplicationFiled: February 2, 2007Publication date: October 4, 2007Inventors: Hee-Cheol Seo, Soo-Jun Park, Myung-Gil Jang, Hyun-Ki Kim, Yi-Gyu Hwang, Soo-Jong Lim, Jeong Heo