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- 주제어 : Quality Ontology Model (검색결과 5 건)
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이미연(Meeyeon Lee),박승수(Seung Soo Park),이정원(Jung-Won Lee) 한국정보과학회 2010 정보과학회논문지 : 소프트웨어 및 응용 Vol.37 No.6
유비쿼터스 컴퓨팅 환경에서 사용자에게 서비스를 자동으로 제공하기 위해 사용되는 동적 서비스 합성은 효과적인 서비스 기술 및 모델링 기법이 전제되어야 한다. 이를 위해 이전 연구에서는 유비쿼터스 환경 내의 기기의 기능을 추상화한 ‘u-서비스’라는 개념을 제안하였고, 온톨로지로 구조화하는 메커니즘과 u-서비스의 특성을 표현하기 위한 기술 규격을 정립한 바 있다. 하지만 u-서비스 온톨로지 설계시에 효율성을 검증하기 위한 체계나 기준을 제공하지는 못하고 있다. 또한 기존의 소프트웨어 제품이나 컴퓨팅 시스템의 품질 평가 모델은 유비쿼터스 서비스의 특성을 고려하지 못하므로 직접 적용하기에도 적합하지 않다. 따라서 본 연구에서는 이전 연구에서의 u-서비스 온톨로지 구축 방법론을 바탕으로 효과적인 유비쿼터스 서비스 온톨로지를 설계하기 위한 품질 평가 모델을 제안한다. 유비쿼터스 서비스 온톨로지의 특성을 반영하여 모델링 목표와 설계 단계에서의 평가 지표를 도출하고 각 품질 속성을 정량화하기 위한 메트릭을 정의한다. 이전 연구에서 구축한 u-서비스 온톨로지에 적용한 결과, 제안한 품질 평가 모델을 통해 유비쿼터스 서비스 온톨로지의 적합성을 다각도로 분석하고 설계 개선을 위한 모델링 원칙을 제시할 수 있음을 보였다. Effective service description and modeling methodologies are essential for dynamic service composition to provide autonomous services for users in ubiquitous computing environments. In our previous research, we proposed a ‘u-Service’ as an abstract and structured concept for operations of devices in ubiquitous environments. In addition, we established the mechanism to structure u-Services as an ontology and the description specification to represent attributes of u-Services. However, it did not provide enough methods or standards to analyze and evaluate the effectiveness of the u-Service ontology in the design time. Since existing quality models for software products or computing systems cannot consider characteristics of ubiquitous services, they are not suitable for ubiquitous service ontology. Therefore, in this paper, we propose a quality evaluation model to design and modeling a good ubiquitous service ontology, based on our u-Service ontology building process. We extract modeling goals and evaluation indicators according to characteristics of ubiquitous service ontology, and establish quality metrics to quantify each quality sub-characteristics. The experiment result of the proposed quality evaluation model for u-Service ontologies which are constructed for our previous works shows that we can analyze the design of ubiquitous service ontology from various angles, and indicate recommendations for improvement.
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실시간 공정 모니터링을 통한 제품 품질 예측 모델 개발
오영광(YeongGwang Oh),박해승(Haeseung Park),유아름(Arm Yoo),김남훈(Namhun Kim),김영학(Younghak Kim),김동철(Dongchul Kim),최진욱(JinUk Choi),윤성호(Sung Ho Yoon),양희종(HeeJong Yang) 대한산업공학회 2013 대한산업공학회지 Vol.39 No.4
In spite of the emphasis on quality control in auto-industry, most of subcontract enterprises still lack a systematic in-process quality monitoring system for predicting the product/part quality for their customers. While their manufacturing processes have been getting automated and computer-controlled ever, there still exist many uncertain parameters and the process controls still rely on empirical works by a few skilled operators and quality experts. In this paper, a real-time product quality monitoring system for auto-manufacturing industry is presented to provide the systematic method of predicting product qualities from real-time production data. The proposed framework consists of a product quality ontology model for complex manufacturing supply chain environments, and a real-time quality prediction tool using support vector machine algorithm that enables the quality monitoring system to classify the product quality patterns from the in-process production data. A door trim production example is illustrated to verify the proposed quality prediction model.
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Evaluating Service Description to Guarantee Quality of U-service Ontology
Lee, Mee-Yeon,Lee, Jung-Won,Kim, Kyung-Ah,Park, Seung-Soo Korea Information Processing Society 2011 Journal of information processing systems Vol.7 No.2
Efficient service description and modeling methodologies are essential for dynamic service composition to provide autonomous services for users in ubiquitous computing environments. In our previous research, we proposed a 'u-service' ontology which is an abstract and structured concept for device operations in ubiquitous environments. One of the problems that we faced during the design process was that there are not enough standards to analyze the effectiveness of a u-service ontology. In this paper, we propose a quality evaluation model to facilitate the design process of a uservice ontology. We extract modeling goals and evaluation indicators based on the uservice description specification. We also present quality metrics to quantify each of the design properties. The experiment result of the proposed quality model shows that we can use it to analyze the design of u-service ontology from various angles. Also, it shows that the model can provide a guideline, and offer appropriate recommendations for improvements.
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Evaluating Service Description to Guarantee Quality of U-service Ontology
이정원,이미연,김경아,박승수 한국정보처리학회 2011 Journal of information processing systems Vol.7 No.2
Efficient service description and modeling methodologies are essential for dynamic service composition to provide autonomous services for users in ubiquitous computing environments. In our previous research, we proposed a ‘u-service’ ontology which is an abstract and structured concept for device operations in ubiquitous environments. One of the problems that we faced during the design process was that there are not enough standards to analyze the effectiveness of a u-service ontology. In this paper, we propose a quality evaluation model to facilitate the design process of a u-service ontology. We extract modeling goals and evaluation indicators based on the u-service description specification. We also present quality metrics to quantify each of the design properties. The experiment result of the proposed quality model shows that we can use it to analyze the design of u-service ontology from various angles. Also, it shows that the model can provide a guideline, and offer appropriate recommendations for improvements.
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