Patents by Inventor Yeo-Chan Yoon
Yeo-Chan Yoon 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: 20120101807Abstract: A question type and domain identifying apparatus includes: a question type identifier for recognizing the number of words of a user's question to identify whether the user's question is a query for performing information searching or a question for performing a question and answer (Q&A); a question domain distributor for distributing one of plural preset domain specialized Q&A engines, as a Q&A engine of the user's question based on the recognized word number; and a Q&A engine block, including the domain specialized Q&A engines, for selectively performing information searching or a Q&A with respect to the user's question in response to the distribution of the question domain distributor.Type: ApplicationFiled: October 25, 2011Publication date: April 26, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jeong HEO, Myung Gil Jang, HyunKi Kim, Pum Mo Ryu, Changki Lee, Chung Hee Lee, Ji Ae Shin, Yoonjae Choi, Soojong Lim, Miran Choi, Yeo Chan Yoon, Hyo-Jung Oh, Sang Kyu Park
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Publication number: 20120101903Abstract: Disclosed are a method and an apparatus for mobile intelligent advertizing service based on mobile user contextual matching.Type: ApplicationFiled: July 27, 2011Publication date: April 26, 2012Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyo Jung OH, Chung Hee Lee, Hyun Ki Kim, Pum Mo Ryu, Soo Jong Lim, Jeong Heo, Chang Ki Lee, Mi Ran Choi, Yeo Chan Yoon, Yoon Jae Choi, Myung Gil Jang, Sang Kyu Park
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Publication number: 20120089634Abstract: In a method for providing multimedia services in a communication system, a request message for requesting contract information on users' multimedia services are received from a terminal according to service requests of the multimedia services to be received by the users. A query message for searching for the contract information in a database is generated corresponding to the request message, and the query message is transmitted to the database. The contract information is searched in the database through a Moving Picture Experts Group (MPEG) query format protocol based on the query message, and a query result message containing the contract information is received from the database in response to the query message. The contract information is acknowledged in the query result message, and a response message containing the contract information is generated. Then, the response message is transmitted to the terminal.Type: ApplicationFiled: October 7, 2011Publication date: April 12, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Mi-Ran CHOI, Myung-Gil Jang, Hyo-Jung Oh, Jeong Heo, Pum-Mo Ryu, Yoon-Jae Choi, Chang-Ki Lee, Ji-Ae Shin, Hyun-Ki Kim, Soo-Jong Lim, Yeo-Chan Yoon, Chung-Hee Lee, Sang-Kyu Park
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Publication number: 20120089584Abstract: Provided are a method and mobile terminal for performing a personalized search, capable of providing search results optimized for a user in consideration of location and user preference. The method includes acquiring a question keyword from a user and information about the location of a mobile terminal, making a local search on the basis of the question keyword and the location information to generate local search results, displaying the local search results and storing a use record of the user of the mobile terminal corresponding to the displayed local search results, generating a user preference analysis model using the location information and the use record, then applying the generated user preference analysis model to the local search results, and deducing personalized final local search results from the local search results. Thus, it is possible to provide the local search results optimized for the user.Type: ApplicationFiled: July 26, 2011Publication date: April 12, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Yeo Chan YOON, Soojong LIM, Hyo-Jung OH, HyunKi KIM, Pum Mo RYU, Chung Hee LEE, Jeong HEO, Changki LEE, Miran CHOI, Yoonjae CHOI, Ji Ae SHIN, Myung Gil JANG, Sang Kyu PARK
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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: 20110179056Abstract: Disclosed is an apparatus and method for expressing a query for searching multimedia data. The apparatus and method of the present invention expresses diverse query types in MPEG-7 query formats and uses field types to re use a designated region. The apparatus for expressing a query inputted from a user for multimedia data search includes: an input means for receiving a query for multimedia data search from a user; and a query expression means for expressing the input query in a field type, wherein the field type includes at least one among identifier information indicating identification (ID) information of a field presenting a search condition included in the input query; type information indicating data type information of the field; and reference information indicating identifier information of another field for reference. The present invention is applied to MPEG-7 query formats.Type: ApplicationFiled: December 27, 2007Publication date: July 21, 2011Applicants: Electronics and Telecommunications Research Institute, Konkuk University Industrial Cooperation CorpInventors: Mi-Ran Choi, Hee-Cheol Seo, Hyun-Ki Kim, Myung-Gil Jang, Jeong Heo, Soo-Jong Lim, Yeo-Chan Yoon, Kyoung-Ro Yoon
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Publication number: 20110145264Abstract: A method of automatically creating allomorphs of a keyword, includes creating allomorph candidates of a search keyword using a user log and/or user session information when the search keyword is input; and extracting a related word for verification from a web document using a related word patter from to verify the allomorph candidates. Further, the method of automatically creating allomorphs of a keyword includes removing over-created and/or erroneous candidates from the allomorph candidates using the extracted related word for verification and creating allomorphs of the search keyword.Type: ApplicationFiled: June 15, 2010Publication date: June 16, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: YiGyu HWANG, Jeong HEO, Chung Hee LEE, HYO-JUNG OH, Soojong LIM, HyunKi KIM, Miran CHOI, Pum Mo RYU, Yeo Chan YOON, Changki 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: 20110137919Abstract: A method for stabilizing a knowledge graph includes: generating a knowledge graph in which same entities in a semantic relation list between entities provided as an input are represented as a single node based on names and types of the entities; computing, on the knowledge graph, semantic similarities between all potential entity pairs of same entity types by comparing, for each potential entity pair, a type of relation associated with an entity in the entity pair and an opponent entity to the entity; and selecting, based on the semantic similarities, a representative entity from each of semantically similar entity pairs on the knowledge graph and integrating an opponent entity to the representative entity into the representative entity. The method further includes computing relation weighted values between the entities by using a graph analysis and statistic information, and adding the weighted values to the knowledge graph.Type: ApplicationFiled: September 7, 2010Publication date: June 9, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Pum Mo Ryu, Myung Gil Jang, HyunKi Kim, YiGyu Hwang, Soojong Lim, Jeong Heo, Chung Hee Lee, Hyo-Jung Oh, Changki Lee, Miran Choi, Yeo Chan Yoon
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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: 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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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: 20100145922Abstract: A personalized search apparatus includes: a model generating unit for generating a user favorites analysis model based on directory grouping information about directories stored in a user terminal and user behavior information; and a user favorites analysis model DB for storing the generated user favorites analysis model. Further, the personalized search apparatus includes a search engine for searching for a file relevant to an input query using an information search engine installed in the user terminal to generate search results; and a personalized search engine for re-ranking the search results generated by the search engine based on the user favorites analysis model to generate personalized search results.Type: ApplicationFiled: November 30, 2009Publication date: June 10, 2010Applicant: Electronics and Telecommunications Research InstituteInventors: Yeo Chan Yoon, Hyunki Kim, Myung Gil Jang, Jeong Heo, YiGyu Hwang, Chung Hee Lee, Soojong Lim, Hyo-Jung Oh, Changki Lee, Miran Choi
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Publication number: 20100145952Abstract: An electronic document processing apparatus includes: a document set storage unit storing hash tables including hash values of documents to be processed; a content extraction unit for extracting body contents from a newly input electronic document; and a sentence separation unit for separating sentences from the extracted body contents. The apparatus further includes a duplicate document determination unit for converting the separated sentences into unique hash values by a hash algorithm, determining each of the separated checking if there is a duplicate sentence depending on whether or not there is a collision between the converted hash values and the hash values in the hash tables of the document set storage unit, and determining if the electronic document is a duplicate document based on the ratio of duplicate sentences to all of the sentences in the electronic document.Type: ApplicationFiled: December 10, 2009Publication date: June 10, 2010Inventors: Yeo Chan YOON, Myung Gil Jang, HyunKi Kim, YiGyu Hwang, Soojong Lim, Jeong Heo, Chung Hee Lee, Hyo-Jung Oh, Changki Lee, Miran Choi
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Publication number: 20100138712Abstract: An apparatus for verifying training data using machine learning includes: a training data separation unit for separating provided initial training data into N training data and N verification data, where N is a natural number; a machine learning unit for performing machine learning on the separated training data to generate a training model; an automatic tagging unit for automatically tagging an original text of the verification data using the generated training model to provide automatic tagging results; and an error determination unit for comparing the verification data to the automatic tagging results to determine error candidates of the training data.Type: ApplicationFiled: November 23, 2009Publication date: June 3, 2010Inventors: Changki Lee, Hyunki Kim, YiGyu Hwang, Soojong Lim, Hyo-Jung Oh, Chung Hee Lee, Jeong Heo, Miran Choi, Yeo Chan Yoon, Myung Gil Jang
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Publication number: 20100131557Abstract: Disclosed is an apparatus and method for retrieving multimedia contents represented in a Moving Picture Experts Group (MPEG) 7 by transforming a user query into an MPEG-7 query format. The method for retrieving multimedia contents includes: representing a user query by using an indicator indicating a specific region of a Moving Picture Experts Group 7 (MPEG-7) document and a reference for referring to the indicator; analyzing a meaning of the user query represented by using the indicator and the reference to thereby produce an analysis result; and retrieving multimedia contents according to the analysis result. The present research can satisfy more than two retrieval conditions within the same structure in an MPEG-7 query format and it can also clearly represent that two different MPEG-7 documents are referred to. Since the meaning of a user query is analyzed accurately during retrieval process, it is possible to precisely retrieve multimedia contents.Type: ApplicationFiled: April 23, 2008Publication date: May 27, 2010Inventors: Hee-Cheol Seo, Mi-Ran Choi, Hyun-Ki Kim, Myung-Gil Jang, Jeong Heo, Soo-Jong Lim, Yeo-Chan Yoon, Kyoung-Ro Yoon
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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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Patent number: 7359598Abstract: Disclosed is a surface plasmon optic device that has a periodic array of apertures in a dielectric substrate and a metal film formed on the dielectric substrate and emits light from metal-air interface. The surface plasmon optic device includes a surface plasmon generating apparatus, a surface plasmon detecting apparatus, a surface plasmon controlling apparatus, an etching apparatus, etc. if a metal diffraction grating is disposed on the metal film having a well-defined interface, propagation of the surface plasmon can be efficiently reflected, divided and controlled. Further, radiating surface plasmon having a half period of a lattice constant formed at air-metal (1, 0) can be preserved at a distance of at least a few micron.Type: GrantFiled: November 10, 2001Date of Patent: April 15, 2008Assignee: Seoul National University Industry FoundationInventors: Dai-Sik Kim, Sung-Chul Hohng, Christoph Lienau, Victor Malyarchuck, Jong-Wan Park, Yeo-Chan Yoon, Han-Youl Ryu, Kyeong-Hwa Yoo
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Publication number: 20050062973Abstract: Disclosed is a surface plasmon optic device that has a periodic array of apertures in a dielectric substrate and a metal film formed on the dielectric substrate and emits light from metal-air interface. The surface plasmon optic device includes a surface plasmon generating apparatus, a surface plasmon detecting apparatus, a surface plasmon controlling apparatus, an etching apparatus, etc. if a metal diffraction grating is disposed on the metal film having a well-defined interface, propagation of the surface plasmon can be efficiently reflected, divided and controlled. Further, radiating surface plasmon having a half period of a lattice constant formed at air-metal (1, 0) can be preserved at a distance of at least a few micron.Type: ApplicationFiled: November 10, 2001Publication date: March 24, 2005Inventors: Dai-Sik Kim, Sung-Chul Hohng, Christoph Lienau, Victor Malyarchuck, Jong-Wan Park, Yeo-Chan Yoon, Han-Youl Ryu, Kyeong-Hwa Yoo