• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• v.9 no.1
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• pp.767-770
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• 2005

The recently many corporations are using Decision Support System, such as on-line meetings. Those on-line meetings are getting grown .Because the on-line meetings with messenger and chatting are the best examples for overcoming space But, the on-line meetings have unavoidable weak points. The more a meeting is processed, the more point of argument is out of focus and perception of current situation is reduced. Therefore, this thesis proposes and describe that in think that pre-defined things , analysis and direction of Ontology ,then draw up a plan how to make ontology to knowledge, and, how to get out of bounds limitation that as make ontology to knowledge. And, design and implementation actual system that organize this ontological Knowledge, and then managing and summarizing visualizing them. Last after remark and consider this system in which using the ontology based on XML, and proposes conclusion and directional development point.

• Proceedings of the Korea Multimedia Society Conference
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• 2004.05a
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• pp.600-603
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• 2004

웹의 확산과 더불어 웹 상에 존재하는 정보의 양은 예측할 수 없을 정도로 증가하였고, 웹 사용자의 이용수준과 요구사항도 매우 다양하고 복잡해졌다. 이러한 환경에서 사용자 요구에 맞는 적절한 정보를 제공하기 위해서는 정확하고 필요한 정보만을 효율적으로 추출하고, 웹 정보들 간의 관계와 정보 자원들 사이의 의미적 연관성을 기술하는 지식 표현 수단으로 온톨로지(Ontology)가 필요하게 되었다. 이를 위해 W3C는 다양한 온톨로지를 통합하여 시맨틱 웹에서 웹 정보들간의 의미적 표현을 기술할 수 있는 표준으로 OWL(Web Ontology Language)을 제안하였으나, 이를 활용하기 위한 저작도구가 전무한 실정이다. 따라서 본 논문은 W3C에서 표준으로 제안하고 있는 OWL의 속성들을 분석하여, OWL 구문을 직관적이고 효율적으로 생성, 저작할 수 있는 OWL builder를 설계 및 구현하였다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2019.07a
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• pp.171-174
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• 2019

군 내 복무부적응 용사들로 인한 병영사고는 대군 신뢰도 저하, 비전투력 손실로 인한 전투력 약화 등의 문제와 더불어 병영기피와 군에 대한 거부감까지 초래하고 있다. 군은 복무부적응 용사들을 사전에 식별하고 사고를 예방하기 위한 심리검사체계로 신인성검사를 자체 개발하여 적용하고 있지만, 이는 피검자의 의도적인 결과 왜곡이나 검사 결과에 대한 맹신 등의 문제점이 있다. 본 논문에서는 복무부적응 용사들의 행동 양식 및 증상들을 온톨로지로 설계하여 사고 우려자 식별을 위한 보조 도구로 활용할 수 있도록 온톨로지 구현 프로세스를 제안한다. 복무부적응 용사 식별을 위한 온톨로지 구현을 통해 사고 우려자를 식별하는데 객관적인 기준 제공 및 정보 공유로 사고 예방에 효과적인 역할을 할 것으로 기대된다.

• ETRI Journal
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• v.41 no.4
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• pp.515-527
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• 2019

This paper discusses the design, implementation, and potential use of an ontology-based mobile pediatric consultation and monitoring system, which is a smart healthcare expert system for pediatric patients. The proposed system provides remote consultation and monitoring of pediatric patients during their illness at places distant from medical service areas. The system not only shares instant medical data with a pediatrician but also examines the data as a smart medical assistant to detect any emergency situation. In addition, it uses an inference engine to infer instant suggestions for performing certain initial medical treatment steps when necessary. The applied methodologies and main technical contributions have three aspects: (a) pediatric consultation and monitoring ontology, (b) semantic Web rule knowledge base, and (c) inference engine. Two case studies with real pediatric patients are provided and discussed. The reported results of the applied case studies are promising, and they demonstrate the applicability, effectiveness, and efficiency of the proposed approach.

• Journal of the Korea Computer Industry Society
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• v.6 no.2
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• pp.249-258
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• 2005

In these days ERP is essential fundamental system of most companies which want to take part in e-business. But few companies are running ERP systems successfully because ERP can not manage knowledge of running that system but only data. In this paper, we propose a model of three layed knowledge ontology and a system to manage our knowledge ontology. We interface the our system with a commercial ERP system and then install and run these systems on a manufacturing company. We show the possibilities of effective running of ERP system using a knowledge ontology and it's management system.

• Proceedings of the Korea Contents Association Conference
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• 2004.11a
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• pp.269-274
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• 2004

Because of the rapid development of internet and Various Types. huge amount and Various types of data are available on the web there days. The tasks such as information retrieval, composition and integration are not easy on the web which contains such huge amount of data. In order to solve these problems W3C introduced Semantic Web as a next generation Web. Semantic Web guarantee the cooperation between heterogeneous Systems and improve reusability of information by providing the machine understandable Web data. In this paper. We design develop an ontology for the museum. The implemented ontology can be used as a standard ontology for the relic search in a museum.

• Journal of Korea Multimedia Society
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• v.9 no.4
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• pp.460-469
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• 2006

Recently, a demand of adaptive multimedia service, which supports multimedia service migration according to user's location and characteristics of user device, is increased. In this paper, we propose a service migration system, which becomes aware of user device using intelligent agent. And we design and implement the ontology-based intelligent agent, which is aware of the context in its environment. Moreover, we implement a context reasoning system using location information.

• Journal of Korea Society of Industrial Information Systems
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• v.10 no.1
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• pp.38-48
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• 2005

ERP system is a fundamental system that is commonly adopted by most companies that intend to take part in e-business. However, few companies are running ERP systems successfully because of inaccuracy in data managed by ERP system. In this paper, we propose a model and the building process of item ontology which organize concepts describing all items managed by enterprises. In addition, we design and implement a system to create and manage item ontologies. We interface our system with a commercial ERP system, then install and run these systems on a manufacturing company. Our item ontologies and management system might help enterprises when they try to take part in e-business.

• Journal of the Korean Society for information Management
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• v.27 no.4
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• pp.219-237
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• 2010

This study proposes a 'Bibliographic Universe Relationship Vocabulary'(burv) using the RDF/OWL Object Property under the SPO predicate logic according to the relationship type among all entities of bibliographic universe and implemented a 'relationship ontology system' to establish a new cataloging business domain called 'Relationship Description Cataloging' based on the ontology.

• Journal of the Korea Society of Computer and Information
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• v.14 no.1
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• pp.35-45
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• 2009

According to the widespread use of ontology documents, a management system which store ontology data and process queries is needed for retrieving semantic information efficiently. In this paper I propose a storage schema that stores and retrieves semantic web documents based on RDF/RDFS ontology language developed by W3C in a relational databases. Specially, the proposed storage schema is designed to retrieve efficiently hierarchy information and to increase efficiency of query processing. Also, I describe a mechanism to transform RQL semantic queries to SQL relational queries and build up database using MS-ACCESS and implement in this paper. According to the result of implementation, we can blow that not only data query based on triple model but also query for schema and hierarchy information are transformed simply to SQL.