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류문찬,임성택,정상철,이상덕,신석규,Riew, Moon-Charn,Rim, Seong-Taek,Chung, Sang-Chul,Lee, Sang-Duk,Shin, Suk-Kyu 한국정보기술응용학회 2001 정보기술응용연구 Vol.3 No.4
Improving software product quality is a key to increasing user satisfaction and to achieving competitive edge. There are two approaches to assure high software product quality; development process-oriented and product-oriented. There have been many efforts for improving software quality through process certification, for example, CMM, ISO 9000 family, ISO/IEC 12207, SPICE and Bootstrap. However, a good process alone cannot guarantee good product quality. A need for the evaluation of software product quality by an independent third party is growing rapidly for several reasons. We are concerned with an application of Statistical Quality Control (SQC) to the evaluation of software product quality to obtain the efficiency of evaluation processes and the objectivity of evaluation results. Methods for selecting test cases using a random sampling approach have been discussed and methods for selecting acceptance criteria with respect to software product quality have also been suggested.
류문찬,박용민 한국생산관리학회 2010 한국생산관리학회지 Vol.21 No.3
A hybrid model combining DEA and AHP is presented for plant location selection. Inputs in DEA are initial costs and operating costs, and outputs are 12 factors which are supplier proximity, quality of life and so on. Initial costs are obtained from real data and the other factor scores are obtained using AHP. An assurance region model is utilized for improving discriminating power of evaluation and for incorporating experts’ opinion about factor weights into DEA. Pairwise comparisons needed in AHP analysis are made by a group of experts, and Delphi methods are employed to ensure consistency and compatibility. DEA와 AHP를 결합한 모형으로 제조업체의 공장입지를 선정하기 위한 방법론을 다룬다. 이 모형은 반도체 장비 제조공장의 입지선정에 적용되며, DEA모형에서의 투입요소는 초기비용과 운영비용, 산출요소는 협력업체 접근성 등 12개 항목이다. 초기비용은 실사를 통해서 구하고, 나머지 항목에 대한 평가점수는 AHP에 의해서 산출한다. 평가의 변별력을 높이고 평가항목의 가중치에 대한 전문가의 의견을 반영하기 위하여 AR모형이 도입되며, AR의 범위는 AHP에 의해 구한다. AHP분석에 필요한 쌍대비교 데이터는 전문가 그룹에 대한 직접 면담에 의하여 얻게 되며 델파이방법을 이용하여 쌍대비교의 일관성과 양립성을 확보한다.
QFD 를 이용한 품질경영 시스템의 개발모듈에 대한 이행도 평가모형
류문찬(Moon Charn Riew),우성권(Sung Kwon Woo) 한국품질경영학회 2002 품질경영학회지 Vol.30 No.2
A performance evaluation model of an R&D module in the quality management system for M Company is constructed using QFD. The company produces telecommunication devices and employs the performance evaluation model based on ISO 9000 family. However, the model has some problems; one of them is that all check items are regarded as equally important. Customer requirements are gathered from internal customers and QFD is utilized to obtain weights for each check item.
류문찬 ( Moon Charn Riew ),신지연 ( Ji Yeon Shin ) 한국품질경영학회 2013 품질경영학회지 Vol.41 No.4
Purpose: Methods for increasing health-care service quality are considered for a women-centered hospital located on a local city. A walk-through audit is applied to uncover areas for improvement. Methods: A survey questionnaire with 25 questions is constructed based on a service blueprint for a walk-through audit, and a survey is conducted both to patients and service providers to assess a health-care service quality. Frequency analysis, statistical tests and customer-provider analysis are used to analyze surveyed data. Results: According to customer-provider analysis, 6 attributes belong to ‘problem unawareness’ zone in which they are rated high by service providers but low by patients, and another 6 attributes belong to ‘problem awareness’ zone in which they are rated low by both groups. These attributes are considered to be improved with priority. Conclusion: Both patient group and service provider group have lots of different perceptions on most attributes that are examined, and the hospital to be studied is, in general, competitive in technical quality and less competitive in functional quality.