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오지훈,최병석,정영식,주수종,한성국,Oh, Ji-Hoon,Choi, Byeong-Seok,Jeong, Young-Sik,Joo, Su-Chong,Han, Sung-Kook 한국정보처리학회 2004 정보처리학회논문지B Vol.11 No.4
The Web Services descriptions such as DAML-S/OWL-S, BPEL4WS and WSMF focusing on the functional aspects of Web Services have limitations for the representation of the conceptual and semantic capabilities of Web Services, although WSMF is based on ontology and can represent the goal of Web Services. This paper proposes the new description formalism based on the competence ontology that can represent both functional and semantic aspects of Web Services. This paper also presents the integration and the composition of Web Services by means of Data Mediator(D-Mediator) and Control Mediator(C-Mediator) to mediate compositional in compatibility between heterogeneous Web Services. DAML-S/OWL-S, WSMF 및 BPEL4WS와 같은 웹 서비스 기술방식은 웹 서비스의 기능적(functionality) 측면만을 표현하고 있기 때문에, 웹 서비스(Web Service)의 개념적, 의미적 기능을 표현하기에는 한계가 있다. 본 연구에서는 웹 서비스의 기능적 측면과 의미적 측면을 통합적으로 표현하기 위해서 수행 온톨로지(Competence Ontology)를 구축하여 웹 서비스를 기술하기 위한 새로운 방법을 제시한다. 또한 시스템 내부적으로는 Data Mediator(D-Mediator)와 Control Mediator(C-Mediator)를 이용하여 서로 이질적인 서비스간의 상호연동 및 합성을 가능하게 한다.
오지훈,정재승,Oh, Ji-Hoon,Jeong, Jae-Seung 대한생물정신의학회 2012 생물정신의학 Vol.19 No.1
The primary purpose of this review is to present an overview of relationship between human spontaneous eyeblinking and internal cognitive processes. The second purpose is to address the neural substrates of human eyeblinking based on recent studies focusing on the central dopaminergic system and to explore the significance of spontaneous eyeblinks in neuropsychiatric disorders. We reviewed recent and previous studies on eyeblink patterns under various cognitive tasks. We also reviewed neural substrates of eyeblinking, particularly based on the central dopaminergic system. This paper suggests that spontaneous eyeblinks are highly correlated with various cognitive processes and the activity of central dopaminergic system. Various neuropsychiatric disorders are related to the alteration of the occurrence of eyeblinking. Spontaneous eyeblinking is the unique human behavior that occurs regularly without conscious effort. It is known that the rate of eyeblinking is modulated by internal cognitive processes and dopamine-related neuropsychiatric disorders. Further research is required to how the temporal dynamics of spontaneous eyeblinking is correlated with the disease activity and progression.
Leydig Cell의 항산화에 미치는 벌사상자와 사상자의 비교연구
오지훈 ( Ji Hoon Oh ),김도림 ( Do Rim Kim ),박수연 ( Soo Yeon Park ),장문석 ( Mun Seog Chang ),박성규 ( Seong Kyu Park ) 대한본초학회 2014 大韓本草學會誌 Vol.29 No.6
Objectives : The purpose of this study was to estimate the antioxidant activity of water extract of Cnidii Fructus (CF) and Torilis Fructus (TF) in Leydig cells. Methods : Free radical scavenging activity of CF and TF against 2,2-diphenyl-1-picrylhydrazyl (DPPH) was determined spectrophotometrically. We investigated the effect of CF and TF in Leydig cells by MTT assay. The protective effects of CF and TF against hydrogen peroxide-induced oxidative stress in Leydig cells. Superoxide dismutase (SOD), and catalase activity assays were performed in Leydig cells. Results : The results showed that CF scavenged DPPH radical in a dose-dependent manner by up to 81.2%, TF scavenged DPPH radical in a dose-dependent manner by up to 63.8%. CF showed cell viability as 121.0, 132.7, 126.6% in 5, 10, 100 μg/ml concentrations. TF showed cell viability as 127.5, 111.8% in 5, 100 μg/ml concentraions, respectively. The hydrogen peroxide-induced cytotoxicity of Leydig cells were protected to 86.3% by CF at concentration of 10 μg/ml and protected to 83.5% by TF at concentration of 100 μg/ml. Both CF and TF at all concentrations, SOD activity was not significantly changed. Catalase activity was significantly increased at 10, 100 μg/ml concentrations of CF, respectively. TF`s catalase activity showed no significant difference from that of the control. Conclusions : These results suggest that CF, as an antioxidant, protects Leydig cells in hydrogen peroxide-induced oxidative stress. know that『Kwangjebikeup』played a role in settlement and spreading of foreign knowledge to civilians.
오지훈(Oh, Ji-Hoon),이석환(Lee, Seok-Hwan) 한국산학기술학회 2010 한국산학기술학회논문지 Vol.11 No.7
연안구역(Coastal Zone)은 “생태․환경적으로 통합된 장”으로 해역과 육역을 포함하는 통합된 공간이며 C.Z.M 은 해안자원의 보전과 활용을 위하여 체계적이고 지속적으로 연안구역(Coastal Zone)을 통합․조정할 수 있는 실행 전 략시스템이다. 따라서 본 연구는 국내·외 C.Z.M을 사례로 운영과정에서 나타나는 메커니즘을 역할분담, 조정 및 협력, 참여 유도 차원에서 조사·분석하였다. 이를 통해 이 연구는 해안관리의 정책방향이 조화될 수 있도록 하는 평가체계 구축, 지속적 해안관리를 위한 안정적 지원체계 구축, 이해관계자의 협력을 도모하는 조정체계 구축, 관리역량 강화 및 참여유도를 위한 교육체계 구축 등을 선진사례의 공통된 관리특성으로 도출하였다. 마지막으로 본 연구는 국내외 연안구역관리의 메카니즘에 나타난 공통의 가치를 바탕으로, 지역차원에서 국내 연안구역(Coastal Zone)관리시스템을 올바르게 구축하기 위한 시사점을 제시하였다. Coastal Zone is a integrated space including both coastal waters and inland. C.Z.M is a strategic practice system which can integrate and coordinate the coastal zone for preserving and making use of coastal resources. Through foreign and domestic C.Z.M Cases, this study analyzes the operating mechanism in the three aspects: role sharing among the administrative agencies, mediation and cooperation among the interested parties, and inducements of voluntary participation. And it achieves the common characteristics of C.Z.M: building the assessment system for establishing desirable policy directions, the stable support system for sustainable coastal management, the mediation system for cooperation of stakeholder, and the education system for reinforcing the management ability and inducing the voluntary participation. Finally it suggests the implications to build the coastal zone management system properly on the basis of common values in this mechanism.
미국 연안구역(Coastal Zone) 관리수단의 특성
오지훈(Oh, Ji-Hoon),이석환(Lee, Seok-Hwan),이희원(Lee, Hee-Won) 한국산학기술학회 2010 한국산학기술학회논문지 Vol.11 No.9
지역차원에서 연안구역을 효율적으로 관리하기 위해서는 정확한 해양 및 연안공간정보의 확보, 이를 분석할 수 있는 객관적 분석방법, 그리고 이런 연구결과를 정책에 반영할 수 있도록 하는 과학․기술적 지원체계 구축은 필수 적 과제라 할 수 있다. 따라서 본 연구는 미국 연안구역(Coastal Zone)의 사례에서 나타난 조닝(Zoning)방식과 이종 Data간 통합방법을 중심으로 그 특성을 조사․분석하였다. 이를 통해 나타난 공통된 특성은 연안의 가치와 이용특성을 반영할 수 있는 구체적인 설정기준과 지표 마련, 공간의사결정을 위한 Data 가공 및 분석방법, 해양 및 연안공간정보 구축 및 통합을 위한 전담기구의 설치․운영 등으로 도출되었다. 마지막으로 본 연구는 미국 연안구역의 관리수단 즉, 조닝방식과 이종 Data간 통합방법에 나타난 공통의 가치를 바탕으로, 지역차원에서 국내 연안구역(Coastal Zone)관리 시스템을 올바르게 구축하기 위한 기술적 시사점을 제시하였다. It is necessary to collect the coastal zone data, to prepare the objective analysis methods, and to build the scientific and technical support system for the efficient management of coastal zone in local aspect. This study analyzes the coastal zoning methods and the integrated methods of different kind data by case study of U.S.A coastal zone. The characteristics of coastal zone management methods in U.S.A are as follows; the concrete indices and methods of establishing coastal zone which can respond to the local values and land use, related data analysis methods for supporting spatial decision making, and establishment and administration of bureau for the spatial information construction and integration of coastal zone. This study suggest the technical implications which can build the domestic coastal zone management in local level on the basis of the common values of the coastal zoning methods and integrated methods of heterogeneous data in U.S.A.