• The Journal of Information Technology and Database
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• v.3 no.2
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• pp.97-118
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• 1996

Information systems quality engineering is one of the most problematic areas in practice and research, and needs cooperative efforts between practice and theory [Glass, 1996]. A model for evaluating the quality of system development process and ensuing success is proposed based on information processing theory of project unit design. A nomological net among a set of quality variables is identified from prior research in the areas of organization science, software engineering, and management information systems. More specifically, system development success was modelled as a function of project complexity, system development modelling environment, user participation, project unit structure, resource availability, and the level of iterative nature of development methodology. Based on the model developed from the information processing theory of project unit design in organization science. appropriate quality metrics for each variable in the proposed model are matched. In this way, a framework of relevant systems development and success quality metrics for controlling systems development processes and ensuing success is proposed. The causal relationships among the constructs in the proposed model are proposed as future empirical research for academicians and as managerial tools for quality managers. The framework and propositions help quality manager to select more parsimonious quality metrics for controlling information systems development processes and project success in an integrated way. Also this model can be utilized for evaluating software quality assurance programmes, which are developed and marketed by many vendors.

• Asian Journal of Business Environment
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• v.7 no.4
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• pp.11-15
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• 2017

Purpose - This study aims to provide a clue on which factors current managers and many more potential entrepreneurial applicants were required to concentrate on presenting effective research methods in the effects of purchasing companies' perception of service quality about suppliers of MRO industrial goods on the quality of relationships. Research design, data, and methodology - To accomplish the purpose of this study, we plan to conduct a research model with factors of MRO service quality as the leading variables and conduct a causal analysis using regression analysis on their influence relations. Results - In order to achieve the above purpose, it is necessary to select service quality factors suitable for the characteristics of MRO industrial goods supplier companies. And it is necessary to develop a plan for improving the relationship quality with buyer companies by understanding the sales orientation of MRO industrial goods supplier companies. Also, they develop a combined strategy capable of facilitating relationship quality by clarifying the role of rapport. Conclusions - It is expected that these results will provide strategic clues which service quality factors should be improved from the perspective of supplier companies and will provide various information on educational training sales skills of the sales staff.

• Journal of Distribution Science
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• v.22 no.6
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• pp.11-22
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• 2024

Purpose: Thisstudy aimsto analyze the distribution of audit committee, independent board of commissioners, and institutional ownership on earnings quality with strengthening earnings growth. Research Design data and Methodology: This quantitative research uses a comparative causal approach. The research population consists of manufacturing companies in the basic and chemical industry sector listed on the Indonesia Stock Exchange in 2016-2022. Samples were obtained as many as 112 using purposive sampling method. The analysis technique to test the hypothesis uses multiple linear regression tests and moderation tests with an absolute difference approach. Results: The results showed that the audit committee and board of commissioners provide a significant positive distribution on earnings quality, while institutional ownership provides a significant negative distribution on earnings quality. Earnings growth strengthens the distribution of the audit committee and independent board of commissioners on earnings quality. However, earnings growth does not strengthen the distribution of institutional ownership on earnings quality. Conclusions: Audit oversight from audit committee and management performance oversight from the independent board of commissioners improves the credibility of earnings quality. Management oversight from institutional ownership reduces earnings quality. The interaction of earnings growth with maximum supervision can improve earnings quality, except for supervision from institutional ownership.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2005.10a
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• pp.371-387
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• 2005

From early 1999 years, the Mobile Telecommunication Companies have introduced the Mobile Telecommunication Membership Program to attract more customers. However, the severe competition in the Mobile Telecommunication market has made the Mobile Telecommunication Membership Program to be faced with the matured Mobile Telecommunication market and the Mobile Number portability. Main focus of this study is to find what are the core elements of service quality of the Mobile Telecommunication Membership Program. To achieve research objective, we conceptualized the service quality of Mobile Telecommunication Membership Program. We also derived hypotheses regarding the relationships between service quality of the program, customer satisfaction, and customer loyalty and examined it by using the empirical research methodology. We suggest new marketing strategies of the Mobile Telecommunication Membership Program which can be applied to improve the corporate competitiveness.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.30 no.5B
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• pp.429-435
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• 2010

This study proposed a methodology for evaluating the radar rainfall data, whose basic idea is similar to the analysis of variance in statistics. This method enables us to represent separately the error from the bias and that from the data variability. The proposed method was then applied to two storm events for its evaluation. As results, the error from the bias was found to comprises most of the raw radar data error, which becomes significantly decreased in the quality improved cases. On the other hand, the error from the data variability was rather increased due to the quality improvement procedure. The proposed methodology was found to be effective for evaluating the data quality of a storm event for steps of quality improvement, but has a limitation for comparing qualities of storm events. This limitation should be implemented for its general application.

• Journal of Korean Society of Water and Wastewater
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• v.35 no.3
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• pp.187-196
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• 2021

When evaluating the extent of the impact of water pollutants on the surrounding area, we would like to present the target level (proposal) of the quality of the environment, which is the standard for evaluation. We propose the environmental quality target level for substances that need to be applied domestically by investigating overseas cases operating the integrated environmental management system and the implications of domestic environmental pollutant management. The appropriateness of the environmental quality target level reviewed in this study was determined using data from the water quality measuring network, and future improvement measures were proposed. We review the available methodologies for setting quality objectives for the environment. It proposed the environmental quality target level for 21 substances that have domestic water pollutant emission standards and do not have environmental standards, and proposed future improvement measures. If it is necessary to add quality target-level items of the environment in the future, it is believed that expansion will be possible based on the methodology presented in this study.

• Journal of Environmental Impact Assessment
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• v.22 no.5
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• pp.537-546
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• 2013

In the Seoul Metropolitan Area(SMA) photochemical air pollutants, nitrogenic compound and particulate matters have increased substantially due to mobile sources, power plants and so on. Therefore 'Special Act on Seoul Metropolitan Air Quality Improvement' was enacted on 2003 in order to improve air quality in the SMA. According to the Special Act, Central and local government have developed the state implementation plan(SIP) to reduce air pollutant emissions from various local sources. One of the key elements of the SIP development is the air quality modeling since modeling results can be used to establish emissions control strategies as well as to demonstrate attainment of air quality goals for ozone, particulate matter, and so on. Air quality modeling, therefore, can be usefully utilized to investigate the effects of government's efforts according to control strategies or measures. Using the air quality model, we can determine whether the implementation plan should be revised or not. A number of questions, however, has been raised concerning accuracy, consistency and transparency of modeling results because if we do not trust modeling results, all the measures dependent on modeling becomes in vain. So, without dealing with these questions, we can not guarantee the reliability and utilizability of air quality modeling results. In this study, we tried to establish standard methodology for air quality modeling in order to ensure consistency and transparency of modeling results used in the development and evaluation of national air policy. For this purpose, we established air quality modeling guideline to provide or recommend modeling procedures, vertical and horizontal domains, input data of meteorological and air quality modeling and so on.

• Journal of Korean Society for Quality Management
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• v.52 no.1
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• pp.77-93
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• 2024

Purpose: The purpose of this study is to examine machine learning use cases in manufacturing companies from a digital quality management (DQM) perspective and to analyze and present machine learning research patterns from a quality management perspective. Methods: This study was conducted based on systematic literature review methodology. A comprehensive and systematic review was conducted on manufacturing papers covering the overall quality management process from 2015 to 2022. A total of 3 research questions were established according to the goal of the study, and a total of 5 literature selection criteria were set, based on which approximately 110 research papers were selected. Based on the selected papers, machine learning research patterns according to quality management were analyzed. Results: The results of this study are as follows. Among quality management activities, it can be seen that research on the use of machine learning technology is being most actively conducted in relation to quality defect analysis. It suggests that research on the use of NN-based algorithms is taking place most actively compared to other machine learning methods across quality management activities. Lastly, this study suggests that the unique characteristics of each machine learning algorithm should be considered for efficient and effective quality management in the manufacturing industry. Conclusion: This study is significant in that it presents machine learning research trends from an industrial perspective from a digital quality management perspective and lays the foundation for presenting optimal machine learning algorithms in future quality management activities.

• Asia-Pacific Journal of Business
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• v.12 no.2
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• pp.131-143
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• 2021

Purpose - The main purpose of this study is to investigate service industry employee' perceptions of Work-Life-Balance (WLB) and the influences of these perceptions on their overall Quality of Life (QOL). The study hypothesizes that employees' overall Quality of Life is influenced by Work-Life-Balance. Design/methodology/approach - The target population for this research consisted of service industry employees. The data was collected using the online-survey method and 449 usable responses were analyzed using AMOS program. Findings - The results indicated that psychological environment and family environment positively affected overall quality of life each, and work environment negatively influenced on overall quality of life. Research implications or Originality - Despite the importance of Work-Life-Balance (WLB), most of previous studies have investigated WLB from company perspective while limited research has examined employees' WLB perceptions. The findings of this study enrich knowledge of WLB from employee perspective especially in service industry.

• The Journal of Industrial Distribution & Business
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• v.15 no.7
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• pp.1-9
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• 2024

Purpose: This research adopts the SERVQUAL and LSQ frameworks to examine the correlation between return reverse logistics service quality of the JD platform and customer satisfaction, as well as the linkage between consumer satisfaction and repurchase intention. Research design, data and methodology: A comprehensive literature review on both domestic and international logistics service quality has been conducted. Considering the unique aspects of JD's return reverse logistics services, an evaluation framework with 5 dimensions and 21 indicators is formulated, including communication, information, return process, empathy, and convenience. A conceptual model exploring the influence of JD's reverse logistics service quality on customer repurchase intention is developed, proposing six hypotheses. For this investigation, 358 valid questionnaires were collected, processed, and analyzed using SPSS 22.0. The structural equation modeling was conducted and validated through AMOS 21.0 software. Results: Following a thorough analysis of data, it reveals that: (1) Information quality, return process quality, and empathy significantly enhance customer satisfaction. (2) Customer satisfaction positively impacts repurchase intention. Conclusion: Based on these findings, three strategic recommendations are offered for e-commerce platforms with in-house logistics systems. The research also discusses limitations and future research directions.