• Title/Summary/Keyword: Data Quality Management

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An Expert System for Reliability Management (신뢰성 관리 전문가 시스템)

  • Kim, Seong-in;Chang, Hong S.
    • Journal of Korean Society for Quality Management
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    • v.22 no.3
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    • pp.152-160
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    • 1994
  • This paper concerns an expert system for reliability management. The system includes data base, life data analysis, life testing sampling plans and system operation. PROLOG is used as a language with dBASE III+ for the data base management system and C for calculations and graphics. This system analyzing the data and selecting an appropriate sampling plan can be implemented on an IBM PC 386 or a higher level machine.

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A study on the quantitative risk grade assessment of initial mass production for weapon systems (초도양산 군수품에 대한 정량적 위험등급평가 방안 연구)

  • Jung, Yeongtak;Ham, Younghoon;Roh, Taegoo;Ahn, Manki;Ko, Kyungwa
    • Journal of Korean Society for Quality Management
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    • v.46 no.3
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    • pp.441-452
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    • 2018
  • Purpose: The purpose of this paper is to study quantitative risk grade assessment for objective government quality assurance activities based on risk management in initial mass production for weapon systems. Methods: The Defense quality management regulations and foreign risk assessment documents are referred to analyze problems performing quality assurance actives. The failure rate data, maintainability and cost of products have been studied to quantify the risk Likelihood and impact. The analyzed data were classified as risk grade assessment through K-means Cluster Analysis method. Results: Results show that a proposed method can objectively evaluate risk grade. The analyzed results are clustered into three levels such as high, middle and low. Two products are allocated high, eleven low and seven middle. Conclusion: In this paper, quantitative risk grade assessment methods were presented by analyzing risk ratings based on objective data. The findings showed that the methods would be effective for initial mass production for weapon systems.

Verification of the Suitability of Fine Dust and Air Quality Management Systems Based on Artificial Intelligence Evaluation Models

  • Heungsup Sim
    • Journal of the Korea Society of Computer and Information
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    • v.29 no.8
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    • pp.165-170
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    • 2024
  • This study aims to verify the accuracy of the air quality management system in Yangju City using an artificial intelligence (AI) evaluation model. The consistency and reliability of fine dust data were assessed by comparing public data from the Ministry of Environment with data from Yangju City's air quality management system. To this end, we analyzed the completeness, uniqueness, validity, consistency, accuracy, and integrity of the data. Exploratory statistical analysis was employed to compare data consistency. The results of the AI-based data quality index evaluation revealed no statistically significant differences between the two datasets. Among AI-based algorithms, the random forest model demonstrated the highest predictive accuracy, with its performance evaluated through ROC curves and AUC. Notably, the random forest model was identified as a valuable tool for optimizing the air quality management system. This study confirms that the reliability and suitability of fine dust data can be effectively assessed using AI-based model performance evaluation, contributing to the advancement of air quality management strategies.

Development and Application of Freshwater Lake Water Quality Management System(ELAQUM) through the Linkage of Watershed and Freshwater Lake (유역과 담수호를 연계한 담수호 수질관리 시스템 개발 및 적용)

  • 김선주;김성준;김필식
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.44 no.6
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    • pp.124-136
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    • 2002
  • A freshwater lake water quality management system(FLAQUM) was developed to help regional manager for the water quality of a rural basin. The integrated user interface system FLAQUM written in Visual Basic, includes three subsystems such as a database management system, basin pollutant loads simulation model using SWMM model and freshwater lake water quality simulation model using WASP5 model. Pollutant load simulation model was applied to simulate the discharge and pollutant loading from the watershed, and freshwater lake water quality model was applied to analyze the changes in water quality with respect to watershed pollutant loads, and this model could be used in planning to control watershed pollutant source for water quality management. Database management system was constructed fur all input and output data processing, and it can be used to analyze statistical characteristics using constructed data. Results are displayed both graph and text for convenience of user. The results of FLAQUM application to Boryeong freshwater lake showed that the lake was in eutrophic condition. The major contribution of pollution comes from tributary No.1 and No.4, which have a large number of livestock farms. Therefore, water quality management must be focused on appropriate management of the livestock farming in the two breanchs.

Case Study for Information Quality Maturity Model (정보 품질 성숙도 모델에 관한 연구)

  • Kim Chang-Jae;Choi Yong-Rak;Rhew Sung-Yul
    • The KIPS Transactions:PartD
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    • v.13D no.4 s.107
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    • pp.557-564
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    • 2006
  • Information is used effectively and contributes in profit creation and not only support management judgment quick but important resource to be possible recycled. The recent information systems improve enterprise's competitive power by reflection of user's various requirements and becoming big and complex for adaptation of rapidly circumstance change. Also it is trend that importance of information quality is emphasized gradually. The biggest problem in user requirement that is based on low quality data support. In case of business management is achieved by low quality information, company can not help dropping their competitive power such as company's strategy establishment, strategy achievement and management concentration breakup against competitor. Information of low quality increase time and expense to improve inaccurate data or revise and it is hard to accept correct information from specific situation. To solve these problems, we have to gain high quality data through definite comprehension, data management system establishment, and systematic data management achievement etc. Up to now, information quality and connected study were developed partially, but systematic methodology of information quality management's whole condition was not existed. Therefore, in this paper can show you how to extract process for information quality management & related evaluate factor with CMM (Capacity Maturity Mode]) 5 steps that is information warranty of quality process step. This paper whishes to contributes in competitive company or organization activity through information quality improvement management process.

A Study on Data Quality Evaluation of Administrative Information Dataset (행정정보데이터세트의 데이터 품질평가 연구)

  • Song, Chiho;Yim, Jinhee
    • The Korean Journal of Archival Studies
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    • no.71
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    • pp.237-272
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    • 2022
  • In 2019, the pilot project to establish a record management system for administrative information datasets started in earnest under the leadership of the National Archives. Based on the results of the three-year project by 2021, the improved administrative information dataset management plan will be reflected in public records-related laws and guidelines. Through this, the administrative information dataset becomes the target of full-scale public record management. Although public records have been converted to electronic documents and even the datasets of administrative information systems have been included in full-scale public records management, research on the quality requirements of data itself as raw data constituting records is still lacking. If data quality is not guaranteed, all four properties of records will be threatened in the dataset, which is a structure of data and an aggregate of records. Moreover, if the reliability of the quality of the data of the administrative information system built by reflecting the various needs of the working departments of the institution without considering the standards of the standard records management system is insufficient, the reliability of the public records itself can not be secured. This study is based on the administrative information dataset management plan presented in the "Administrative Information Dataset Recorded Information Service and Utilization Model Study" conducted by the National Archives of Korea in 2021. A study was conducted. By referring to various data, especially public data-related policies and guides, which are being promoted across the government, we would like to derive quality evaluation requirements in terms of records management and present specific indicators. Through this, it is expected that it will be helpful for record management of administrative information dataset which will be in full swing in the future.

Structural Factors Influencing the Quality Management Activities in Nursing Homes (노인요양시설의 질 관리 활동에 영향을 주는 구조적 요인 분석)

  • Lee, Tae-Wha;Chung, Jane
    • Journal of Korean Academy of Nursing Administration
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    • v.16 no.2
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    • pp.162-171
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    • 2010
  • Purpose: Nursing home quality indicators have been focused widely on result outcomes, not for the environment in that quality of service are delivered, This study aimed to examine structural factors influencing quality management activities in nursing homes. Method: Sample was 170 nursing homes responded to the survey questionnaire which was distributed to the 543 nursing homes nation-wide, Data were collected on structural characteristics, types of services, and quality management activities, Data were analyzed with the descriptive statistics, Pearson correlations, and multiple regression. Result: Most of the nursing homes were operated as free of charge by the social welfare ownership. Average number of residents was 52.1 with severe and mild dementia and bedridden status, In terms of quality management activities, 34% of the sample had CQI committee that focused their activities on services delivery process, performance appraisal, record keeping regularly. 30.6% of quality management activities were accounted for by the number of residents with dementia, the ratio of RN to residents, rehabilitation services, and social wefare services in nursing homes. Conclusion: We recommend that more comprehensive quality management activities should be developed as process quality indicators in conjunction with the outcome indicators.

Quality Management and Competitive Strategy (품질경영과 경쟁전략)

  • 오세진
    • Journal of Korean Society for Quality Management
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    • v.25 no.2
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    • pp.60-82
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    • 1997
  • The purpose of this study is to empirically examine the quality competence as a source of competitive advantages. The relationship between quality priority and competitive priority, and the relationship between quality competence and competitive capability are investigated using data collected from 114 manufacturing business units of 75 manufacturing companies. Several measures are used to characterize competitive strategy and value chain, and quality factors including conformance, reliability, durability, performance, and customization. The result indicates that the quality competence paired with competitive strategy positively influences the level of competitiveness, but management performances are not strongly correlated with quality competence.

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Activity Capability Level-based Maturity Evaluation Model for Public Data Quality Management (활동능력수준 기반의 공공데이터 품질관리 성숙수준 평가 모델)

  • Kim, Sun-Ho;Lee, Jin-Woo;Lee, Chang-Soo
    • Informatization Policy
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    • v.24 no.1
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    • pp.30-47
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    • 2017
  • The Korean government developed an organizational maturity model for public data quality management based on international standards to evaluate the data quality management level of public organizations, However, as the model has too many indicators to apply on the site, a new model with reduced number of indicators is proposed in this paper. First, the number of processes is reduced by integrating and modifying the processes of the previous model. Second, a new maturity evaluation method is proposed based on capability levels focused on the activity, not on the process. Third, the maturity level of public data quality management is represented by five discrete levels or real values of 1 through 5. Finally, characteristics of the proposed model are compared with those of the previous model.

Design and Implementation of a Web-based Expert System for the Total Quality Management (종합적 품질경영을 위한 웹 기반 분산형 전문가시스템의 설계 및 구축)

  • 김성인;조정용
    • Journal of Korean Society for Quality Management
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    • v.32 no.2
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    • pp.168-190
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    • 2004
  • In these days of world-wide business environment, the characteristics of quality management are variety, specialty, decentralization, totality, etc. Thus nowadays quality management is demanded to incorporate these new concepts. We propose a web-bused distributed expert system for this purpose. The system consists of four expert systems for design of experiment, acceptance inspection, statistical process control and reliability management corresponding to design quality, incoming-material quality, manufacturing quality and usability quality, respectively, throughout the total product life cycle. Each distributed expert system at the horizontal level in the hierarchy carries out its own quality jobs independently. At the lower level in the hierarchy there is an expert system for measurement analysis to provide reliable data, and at the upper level, an expert system for total quality management to coordinate, integrate and make final decisions. A prototype has been developed and its application is presented.