• Title/Summary/Keyword: Software Quality-in-use

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A Study on the Trend of Collaborative Research Using Korean Health Panel Data: Focusing on the Network Structure of Co-authors (한국의료패널 데이터를 활용한 공동연구 동향 분석: 공동 연구자들 연결망 구조를 중심으로)

  • Um, Hyemi;Lee, Hyunju;Choi, Sung Eun
    • Journal of Information Technology Applications and Management
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    • v.25 no.4
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    • pp.185-196
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    • 2018
  • This study investigates the social network among authors to improve the quality of Panel researches. Korea Health Panel (KHP), implemented by the collaborative work between KIHASA (Korea Institute for Health and Social Affairs) and NHIC (National Health Insurance Service) since 2008, provides a critical infrastructure for policy making and management for insurance system and healthcare service. Using bibliographic data extracted from academic databases, eighty articles were extracted in domestic and international journals from 2008 to 2014, April. Data were analyzed by NetMiner 4.0, social network analysis software, to identify the extent to which authors are involved in healthcare use research and the patterns of collaboration between them. Analysis reveals that most authors publish a very small number of articles and collaborate within tightly knit circles. Centrality measures confirm these findings by revealing that only a small percentage of the authors are structurally dominant, and influence the flow of communication among others. It leads to the discovery of dependencies between the elements of the co-author network such as affiliates in health panel communities. Based on these findings, we recommend that Korea Health Panel could benefit from cultivating a wider base of influential authors and promoting broader collaborations.

Factor Affecting Customers Satisfaction About Banking Services: Evidence from Agribank, Vietnam

  • NGUYEN, Dung Thi;NGUYEN, Ha Quang;PHUNG, Hanh My Tran;THAN, Hoang Viet
    • The Journal of Asian Finance, Economics and Business
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    • v.9 no.6
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    • pp.373-380
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    • 2022
  • Today, customer satisfaction is the most important issue for Vietnamese banks. There are numerous factors that influence bank customers' satisfaction. The study investigates the factors that influence customer satisfaction with deposit services at the Vietnam Bank for Agriculture and Rural Development (Agribank) in Bac Giang province, Vietnam, and analyses the impact of each component. The authors used 5-point Likert scales to assess whether elements were related to the factors determining consumer satisfaction with Agribank's deposit service. To perform this study, exploratory factor analysis (EFA) and multiple regression were used to find factors determining customer satisfaction with Agribank services. Customers that use deposit services at Agribank in Bac Giang province, Vietnam, provided samples of 300 survey questionnaires for this study. SPSS software is used to examine the data. Customers' satisfaction with Agribank's deposit service is influenced by six factors, including reliability, responsiveness, service capabilities, empathy, tangible means, and service price, according to the study. This finding also offers some recommendations for improving service quality in local Vietnamese banks to gain a competitive advantage.

The Effect of Customer-Based Brand Equity on Brand Attitude and Behavioral Intention for Mobile e-coupons: Focusing on Chicken Franchise Brands (소비자 기반 브랜드 자산이 모바일 e-쿠폰에 관한 브랜드 태도와 행동 의도에 미치는 영향: 치킨프랜차이즈 브랜드를 중심으로)

  • Jin-Pyo PARK;Jin-Soo HWANG
    • The Korean Journal of Franchise Management
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    • v.15 no.3
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    • pp.27-43
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    • 2024
  • Purpose: The purpose of this study is to investigate the effect of customer-based brand equity on brand attitudes and behavioral intentions in the mobile e-coupon service market for foodservice franchises. Research design, data, and methodology: The sample comprised customers who had used a chicken mobile exchange voucher from a foodservice franchise brand, among KakaoTalk gift mobile exchange vouchers, within the last three months. The survey was conducted by distributing an online self-administered questionnaire, in which participants responded directly. The hypotheses were assessed through confirmatory factor analysis and structural equation modeling using the AMOS 22.0 statistical software. Result: The results of the hypotheses are as follows. First, among the sub-dimensions of foodservice franchise customer-based equity, brand awareness, brand image, perceived quality, and brand loyalty were found to have a positive effect on brand attitudes toward foodservice franchise mobile e-coupon services. Second, brand attitude toward the foodservice franchise brand mobile e-coupon service was found to have a positive effect on the intention to use and word-of-mouth. Conclusions: The results suggest that foodservice franchise brands with strong customer-based brand equity also have a competitive advantage in the mobile e-coupon service market.

Practical Application of French Biological Diatom Index (Indice Biologique Diatomees) in Water Quality Assessment (France 하천 수질 평가법으로 이용하는 규조류 지수에 관한 소개)

  • Chung, Sang-Ok
    • Korean Journal of Ecology and Environment
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    • v.37 no.4 s.109
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    • pp.373-377
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    • 2004
  • Since, in 1970, diatoms and diatom indices was first used in measuring quality of streams and rivers at the Seine Water Agency in France, five other water agencies began to show interests since 1990. In 1994, associated with CEMAGREF (Centre National du Machinisme Agricole du Genie Rural et des Eaux et des Forets : environmental science and expertise for the sustainable management of land and water), the six French Water Agencies (Seine, Rhone-Mediterranee-Corse, Artois- Picardie, Loire-Bretagne, Rhin-Meuse and Adour-Garonne) developed a practical diatom index, which is liable to be used routinely in the territorial streams and rivers of whole France, and which is liable to promote and facilitate its use in monitoring water networks. In 1995, the first version of a biological diatom index (IBD) was generated by them. Since then, the software update for IBD calculation and the user's network have led to numerous practical applications in France. Furthermore, the Water Agencies have run applicable programs on the National Basin Network from 1996, and the initial data set of IBD was completed. Re- examination of the complete data set was done at the end of 1998, and the tests on different calculation options of the IBD led to a third version of this index in June,2000 (AFNOR NF T 90-354).

Effectiveness of the Shugan Jieyu Capsule against Psychiatric Symptoms in Epilepsy: a protocol for systematic review and meta-analysis

  • Sejin Kim;Yunna Kim;Seung-Hun Cho
    • Journal of Pharmacopuncture
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    • v.26 no.1
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    • pp.38-43
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    • 2023
  • Objectives: Psychiatric symptoms in epilepsy are very common, and the most common symptoms are depression, insomnia, and anxiety. These symptoms not only lower the quality of life of epilepsy patients, but also elevate the risk of epileptic seizures. There are no specific criteria for the available antiepileptic drugs to ameliorate these symptoms in patients with epilepsy, and there is a lack of evidence to support the efficacy and safety of existing drugs. The Shugan Jieyu capsule (SJC) is a traditional herbal medicine composed of Acanthopanax senticosus and Hypericum perforatum and is reported to be effective in relieving psychiatric symptoms. The purpose of this study was to assess the efficacy of SJC as a treatment for psychiatric symptoms in epilepsy patients. Methods: Electronic databases will be investigated for publications in English, Korean, Japanese, and Chinese. The participants of the study are epilepsy patients with psychiatric symptoms diagnosed using any validated criteria. All types of controls will be compared-placebo, conventional treatments, and no treatment-to groups treated with SJC or modified SJC. We will measure the degree of improvement in psychiatric symptoms and check epileptic symptoms, such as the frequency of seizures. The study selection and data extraction will be performed by two independent reviewers, who will also assess methodological quality using the risk-of-bias tool by Cochrane. We will use Review Manager software (RevMan) to carry out all statistical analyses. Results: This systematic review and meta-analysis will be performed in accordance with the PRISMA-P statement. Conclusion: This systematic review is the first study to assess the efficacy and safety of SJC for the treatment of psychiatric symptoms in epilepsy. We expect that this study will provide clinically applicable evidence for patients with epilepsy when selecting drug treatments.

Utility of three-dimensional printing in the surgical management of intra-articular distal humerus fractures: a systematic review and meta-analysis of randomized controlled trials

  • Vishnu Baburaj;Sandeep Patel;Vishal Kumar;Siddhartha Sharma;Mandeep Singh Dhillon
    • Clinics in Shoulder and Elbow
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    • v.27 no.1
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    • pp.72-78
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    • 2024
  • Background: Clinical outcomes after fixation of distal humerus intraarticular fractures are directly related to the quality of reduction. The use of three-dimensional (3D)-printed fracture models can benefit preoperative planning to ensure good reduction. This review aims to determine if surgery performed with 3D printing assistance are faster and result in fewer complications and improved clinical outcomes than conventional methods. We also outline the benefits and drawbacks of this novel technique in surgical management of distal humerus fractures. Methods: A systematic literature search was carried out in various electronic databases. Search results were screened based on title and abstract. Data from eligible studies were extracted into spreadsheets. Meta-analysis was performed using appropriate computer software. Results: Three randomized controlled trials with 144 cases were included in the final analysis. The 3D-printed group had significantly shorter mean operating time (mean difference, 16.25 minutes; 95% confidence interval [CI], 12.74-19.76 minutes; P<0.001) and mean intraoperative blood loss (30.40 mL; 95% CI, 10.45-60.36 mL; P=0.005) compared with the conventional group. The 3D-printed group also tended to have fewer complications and a better likelihood of good or excellent outcomes as per the Mayo elbow performance score, but this did not reach statistical significance. Conclusions: Three-dimensional-printing-assisted surgery in distal humerus fractures has several benefits in reduced operating time and lower blood loss, indirectly decreasing other complications such as infection and anemia-related issues. Future good-quality studies are required to conclusively demonstrate the benefits of 3D printing in improving clinical outcomes.

Feasibility Study of Source Position Verification in HDR Brachytherapy Using Scintillating Fiber

  • Moon, Sun Young;Jeong, EunHee;Lim, Young Kyung;Chung, Weon Kyu;Huh, Hyun Do;Kim, Dong Wook;Yoon, Myonggeun
    • Progress in Medical Physics
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    • v.27 no.4
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    • pp.213-219
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    • 2016
  • The position verification of the radiation source utilized in brachytherapy forms a critical factor in determining the therapeutic efficiency. Currently, films are used to verify the source position; however, this method is encumbered by the lengthy time interval required from film scanning to analysis, which makes real-time position verification difficult. In general, the source position accuracy is usually tested in a monthly quality assurance check. In this context, this study investigates the feasibility of the real-time position verification of the radiation source in high dose rate (HDR) brachytherapy with the use of scintillating fibers. To this end, we construct a system consisting of scintillating fibers and a silicon photomultiplier (SiPM), optimize the dosimetric software setup and radiation system characteristics to obtain maximum measurement accuracy, and determine the relative ratio of the measured signals dependent upon the position of the scintillating fiber. According to the dosimetric results based on a treatment plan, in which the dwell time is set at 30 and 60 s at two dwell positions, the number of signals is 31.5 and 83, respectively. In other words, the signal rate roughly doubles in proportion to the dwell time. The source position can also be confirmed at the same time. With further improvements in the spatial resolution and scintillating fiber array, the source position can be verified in real-time in clinical settings with the use of a scintillating fiber-based system.

A Practical Quality Model for Evaluation of Mobile Services Based on Mobile Internet Device (모바일 인터넷 장비에 기반한 모바일 서비스 평가를 위한 실용적인 품질모델)

  • Oh, Sang-Hun;La, Hyun-Jung;Kim, Soo-Dong
    • Journal of KIISE:Software and Applications
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    • v.37 no.5
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    • pp.341-353
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    • 2010
  • Mobile Internet Device (MID) allows users to flexibly use various forms of wireless internet such as Wi-Fi, GSM, CDMA, and 3G. Using such Internet, MID users can utilize application services. MID usage is expected to grow due to the benefits of portability, Internet accessibility, and other convenience. However, it has resource constraints such as limited CPU power, small memory size, limited battery life, and small screen size. Consequently, MIDs are not capable to hold large-sized complex applications and to process a large amount of data in memory. An effective solution to remedy these limitations is to develop cloud services for the required application functionality, to deploy them on the server side, and to let MID users access the services through internet. A major concern on running cloud services for MIDs is the potential problems with low Quality of Service (QoS) due to the characteristics of MIDs. Even measuring the QoS of such services is more technically challenging than conventional quality measurements. In this paper, we first identify the characteristics of MIDs and cloud services for MIDs. Based on these observations, we derive a number of quality attributes and their metrics for measuring QoS of mobile services. A case study of applying the proposed quality model is presented to show its effectiveness and applicability.

The Effects of Aerobic and Muscle Strength Exercises on Pain, Balance, and Muscular Strength in the Lower Extremities among Elderly People (유산소운동과 근력운동이 노인의 하지근력과 통증, 균형에 미치는 영향)

  • An, Seongja;Ahn, Soyun
    • Journal of The Korean Society of Integrative Medicine
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    • v.5 no.2
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    • pp.63-70
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    • 2017
  • Purpose : The purpose of this study was to improve the quality of life of people aged 65 and over by reducing musculoskeletal pain and increasing balance and muscular strength in their lower-extremities through aerobic exercises and the use of Thera-Bands and gym balls. Method : Fifteen out of 30 women who used a welfare center for the elderly in C City performed exercises using Thera-Bands and gym balls, and the remaining 15 elderly women did aerobic exercises. Both groups performed their respective exercises three times a week over a four-week period, for 50 minutes each time. Pain (VAS), balance (TUG), and lower extremity muscular strength were measured as evaluation tools. The data were analyzed using the statistical software SPSS 18.0 for Windows. The Wilcoxon signed-rank test was performed to compare the differences within each group, and the Mann-Whitney U test was used to compare the two groups in terms of their differences both before and after the participants' respective exercise programs. Results : No differences were found between the two groups, although there were some differences within each group in terms of levels of pain, muscular strength, and balance. Conclusion : The aerobic and muscle strength exercise programs had positive effects on all variables, including pain, balance, and muscular strength in the lower extremities. Therefore, the combination of aerobic and muscle strength exercises may be effective in improving the quality of life of elderly people.

A Study on Mission Critical Factors for Software Test Enhancement in Information Technologies Development of Public Sector (Mission Critical 공공 정보화 구축 시험평가 개선 지표 연구)

  • Lee, Byung-hwa;Lim, Sung-ryel
    • Journal of Internet Computing and Services
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    • v.16 no.6
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    • pp.97-107
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    • 2015
  • Up until recently, Korea has ranked the first place in UN e-Government Survey for three consecutive years. In keeping with such accomplishment, the size of budget execution has been consistently growing in accordance with Korea's Government 3.0 policy and vision, leading to increase in big-sized informatization projects in the business. Especially in mission critical public sector's infrastructure where it affects many people, growing demand for establishing high-quality information system with new technologies being brought to attention in order to meet the complex needs of citizens. National defense information system, being one of representative domains examples in the concerned area, established high military competency by applying breakthrough technology. Network-oriented national defense knowledge informatization was set as the vision in order to implement core roles in making efficient national defense management; and effort has been made to materialize the vision by making advancement in national defense's information system and its informatization implementation system. This research studies new quality index relevant to test and evaluation (T&E)of informatization business in national defense which is the representative example of mission critical public sector's infrastructure. We studied international standards and guidelines, analyzed actual T&E cases, and applied them to the inspection items that are currently in use, complying with the e-government law (Act No. 12346, Official Announcement Date 2014. 1.28., Enforcement Date 2014. 7.29.) As a result of productivity analysis, based on hypothesis in which suggested model was applied to T&E of the national defense informatization business, we confirmed the possibility of enhancement in the T&E productivity by assessing reliability, expertise, and safety as evaluation factors.