• Title/Summary/Keyword: conceptual data model

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Understanding Driver Compliance Behaviour at Signalised Intersection for Developing Conceptual Model of Driving Simulation

  • Aznoora Osman;Nadia Abdul Wahab;Haryati Ahmad Fauzi
    • International Journal of Computer Science & Network Security
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    • v.24 no.3
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    • pp.142-150
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    • 2024
  • A conceptual model represents an understanding of a system that is going to be developed, which in this research, a driving simulation software to study driver behavior at signalised intersections. Therefore, video observation was conducted to study driver compliance behaviour within the dilemma zone at signalised intersection, with regards to driver's distance from the stop line during yellow light interval. The video was analysed using Thematic Analysis and the data extracted from it was analysed using Chi-Square Independent Test. The Thematic Analysis revealed two major themes which were traffic situation and driver compliance behaviour. Traffic situation is defined as traffic surrounding the driver, such as no car in front and behind, car in front, and car behind. Meanwhile, the Chi-Square Test result indicates that within the dilemma zone, there was a significant relationship between driver compliance behaviour and driver's distance from the stop line during yellow light interval. The closer the drivers were to the stop line, the more likely they were going to comply. In contrast, drivers showed higher non-compliant behavior when further away from stop line. This finding could help in the development of conceptual model of driving simulation with purpose in studying driver behavior.

The Conceptual Model of the Smart City Platform for the Citizen Participation (시민참여를 위한 스마트 도시 플랫폼의 개념모델)

  • Seo, Dong-Jo;Kim, Mi-Yun
    • Journal of Digital Convergence
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    • v.19 no.11
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    • pp.63-73
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    • 2021
  • In order to effectively promote a smart city, various urban information must be opened and linked, and the information system that each member can share is required. In addition, it is necessary to establish a cooperative system in which citizens and citizen's organizations can participate. In this study, the components and conceptual model of a smart city platform were proposed to create a smart city that enables citizen participation. Its components include sensors for collecting data from the real world, information storage and management, information sharing and standard system, citizens' personal information protection and management system, utilization and service, etc. For the conceptual model, roles of smart city members were defined, so that citizen-centered participation and services could be made. It also includes data collection, information linkage and sharing, and service configuration system. Citizens can perform various roles such as data collector and provider, service planner or requestor, service beneficiary, etc. Ultimately, free communication and exchange of opinions with citizens is a key factor in the success of smart cities.

Factors That Influence the Intentions to Revisit Korea of Vietnamese Tourists

  • NGUYEN, Xuan Truong
    • The Journal of Asian Finance, Economics and Business
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    • v.7 no.4
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    • pp.247-258
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    • 2020
  • The study investigates the influences of different factors on revisit intention to Korea of Vietnamese tourists. A mixed-method including qualitative and quantitative methodologies were utilized. A focus group of 9 experts was carried out for reviewing and exploring different factors and the conceptual model. An in-depth interview with 19 participants was developed with an aim to develop and correct measurement items. The conceptual model was tested and developed using data collected by a questionnaire, from a sample of 473 respondents, who have visited Korea by both electronic and paper surveys with non-probability and convenience sampling techniques. The questionnaire in this research applied a 5-point Likert scale and was distributed both electronically using Google form and by questionnaire paper. The Bootstrap model was used for estimating the model parameters for retesting the reliability of the estimates. Factor analysis and Structural Equation Modelling are employed to analyze the data. Results showed that 427 tourists traveling by groups organized by travel companies and 46 tourists traveling on their own. The reliability, tangibility, empathy, and assurance had influences on tourists' intention to revisit a destination, especially through satisfaction mediating construct. Destination image, self-congruity, and the emergence of Hallyu had influences intension revisit through attitude and tourist motivation.

Regionalization of Conceptual Rainfall-Runoff Model to Simulate Runoff Induced by Typhoons (태풍 발생 시 유출량 산정을 위한 개념적 강우-유출 모형의 지역화 연구)

  • Chang, Hyung Joon;Lee, Ho Jin;Lee, Hyo Sang
    • Journal of Korean Society of Disaster and Security
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    • v.12 no.4
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    • pp.63-72
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    • 2019
  • There is an increasing demand for catchment runoff estimation to cope with the natural disasters such as typhoon, extreme rainfall. However, the ungauged catchments are common case in practices. This study suggested a rationalization of conceptual rainfall-runoff model for typhoon flood events in Geum river region. And the developed models were validated based on the observed hydrological data. Therefore, developed regionalization models could estimate catchment runoff for Typhoon flood events. It will be used as basic data for the river management for extreme flood conditions.

A Study on the Educational Satisfaction and the Occupational Readiness among the Home-health-care Workers Licensing Program Participants: An Application of Educational Service Quality (SERVQUAL) Model (가족지지 자원인 요양보호사 양성과정 교육프로그램 만족도와 직무수행준비에 관한 연구: SERVQUAL 모델의 적용)

  • Auh, Seong-Yeon;Paik, Sun-Ah;Kim, Yang-Hee
    • Journal of Family Resource Management and Policy Review
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    • v.14 no.3
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    • pp.69-85
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    • 2010
  • The purpose of this study is to investigate the home-health-care workers licensing education course in Seoul, Korea. Based on the previous research, a conceptual model was suggested explaining the dynamics of perceived educational service quality (SERVQUAL), educational satisfaction and the occupational readiness. The data set for this study drawn from the 297 self-administered surveys were analyzed with the suggested conceptual model by utilizing AMOS program. The measurement models and conceptual model fit well with the collected data set. As results of this study, 5 domains of SERVQUAL were produced including accountability, trustiness, responsiveness, sympathy, and assurance. The results of structural modeling with latent variables confirmed that SERVQUAL were influenced perceived educational satisfaction as well as occupational readiness. Among the SERVQUAL domains, accountability, trustiness, responsiveness, and assurance had significant impacts on the educational satisfaction while accountability, trustiness and responsiveness had significant direct effects on the occupational readiness. The trustiness had significant indirect effects on the occupational readiness via the educational satisfaction. Hence, the educational satisfaction had the significant impacts on the occupational readiness. Based on the findings of this study, we suggest to intense the educational program or curricular focusing on the SERVQUAL elements. Those changes will enhance self-confidence among the prospective home-health-care workers as well as public trustiness on the national long-term care program.

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Construction of a Preliminary Conceptual Site Model Based on a Site Investigation Report for Area of Concerns about Groundwater Contamination (지하수 오염우려지역 실태조사 보고서 기반의 사전 부지개념모델 구축)

  • Kim, Juhee;Bae, Min Seo;Kwon, Man Jae;Jo, Ho Young;Lee, Soonjae
    • Journal of Soil and Groundwater Environment
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    • v.27 no.spc
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    • pp.64-74
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    • 2022
  • The conceptual site model (CSM) is used as a key tool to support decision making in risk based management of contaminated sites. In this work, CSM was applied in Jeonju Industrial Complex where site investigation for groundwater contamination was conducted. Site background information including facility types, physical conditions, contaminants spill history, receptor exposure, and ecological information were collected and cross-checked with tabulated checklist necessary for CSM application. The CSM for contaminants migration utilized DNAPL transport model and narrative CSMs were constructed for source to receptor pathway, ecological exposure route, and contaminants fate and transport in the form of a diagram or flowchart. The component and uncertainty of preliminary CSM were reviewed using the data gap analysis while taking into account the purpose of the survey and the site management stage at the time of the survey. Through this approach, the potential utility of CSM was demonstrated in the site management process, such as assessing site conditions and planning follow-up survey work.

A Study on the Ship Cargo Hold Structure Data Model Based on STEP (STEP을 근거로 한 선체화물창부 구조 데이터 모델에 관한 연구)

  • 박광필;이규열;조두연
    • Korean Journal of Computational Design and Engineering
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    • v.4 no.4
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    • pp.381-390
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    • 1999
  • In this study, a pseudo ship structure data model for the :.hip cargo hold structure based on STEP is proposed. The proposed data model is based on Application Reference Model of AP218 Ship Structure which is the model that specifies conceptual structures and constraints used to describe the information requirements of an application. And the proposeddata model refers the Ship Common Model framework for the model architecture which is the basis for ongoing ship AP development within the ISO ship-building group and the ship product definition information model of CSDP research project for analyzing the relationship between ship structure model entities. The proposed data model includes Space, Compartment. Ship Structural System, Structural Part and Structural Feature of cargo hold. To generate this data model schema in EXPRESS format, ‘GX-Converter’was used which enables user to edit a model in EXPRESS format and convert schema file in EXPRESS format. Using this model schema, STEP physical file containing design data for ship cargo hold data structure was generated through SDAI programming. The another STEP physical file was also generated containing geometry data of ship cargo hold which was extracted and calculated by SDAI and external surface/surface intersection program. The geometry information of ship cargo hold can be then transferred to commercial CAD system, for example, Pro/Engineer. Examples of the modification of the design information are also Presented.

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A Study on Deep Learning Model-based Object Classification for Big Data Environment

  • Kim, Jeong-Sig;Kim, Jinhong
    • Journal of Software Assessment and Valuation
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    • v.17 no.1
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    • pp.59-66
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    • 2021
  • Recently, conceptual information model is changing fast, and these changes are coming about as a result of individual tendency, social cultural, new circumstances and societal shifts within big data environment. Despite the data is growing more and more, now is the time to commit ourselves to the development of renewable, invaluable information of social/live commerce. Because we have problems with various insoluble data, we propose about deep learning prediction model-based object classification in social commerce of big data environment. Accordingly, it is an increased need of social commerce platform capable of handling high volumes of multiple items by users. Consequently, responding to rapid changes in users is a very significant by deep learning. Namely, promptly meet the needs of the times, and a widespread growth in big data environment with the goal of realizing in this paper.

An Analysis of High School Students' Mental Models on the Plate Boundaries (판의 경계에 대한 고등학생들의 정신모형 분석)

  • Park, Soo-Kyong
    • Journal of the Korean earth science society
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    • v.30 no.1
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    • pp.111-126
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    • 2009
  • The purpose of this study was to derive the criterions of each type of mental models on the plate boundaries and to investigate high school students' mental models on these concepts. The 11th grade student participants were requested to draw the collisional, convergent, and divergent boundaries and were interviewed individually. The drawings and the data gathered through the interviews were analyzed qualitatively. The mental models on the plate boundaries were classified as 'naive model', 'unstable model', 'causal model', and 'conceptual model'. The criterions for analyzing the mental models were the differentiations of the lithospheric plates and the mantle, the explanations of the motion of the plates and lower mantle, the demonstrations of topographical features of the plate boundaries and the causal relationships between the mantle convection and the topographical features. The findings revealed that the students holding 'the naive model' and 'the unstable model' were unable to relate the mantle convection and the three boundaries. In contrast, the students holding 'the causal model' and 'the conceptual model' were able to explain that the mantle convection causes the three boundaries. Also, the types of epistemological belief were different depending on their mental models. Students holding the naive model and the unstable model tended to rely upon the external authorities.

Development of Patients Environmental Sustainability Performance in Healthcare Sector: A Conceptual Framework and Further Research Directions

  • KIM, Eunsung
    • Journal of Distribution Science
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    • v.17 no.7
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    • pp.99-109
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    • 2019
  • Purpose - The purpose of this development the business model of the healthcare sector in order to promote patents satisfaction towards medical sector services improvement for the medical business model innovation to possess a competitive advantage in the medical and pharmaceutical industry. Research design, data, and methodology - Safety standard protocol from existing multidisciplinary literature is a process of theorization, which uses grounded theory methodology rather than a description of the data and the targeted phenomenon by using Jabareen (2009). The first task is to map the spectrum of food safety literature regarding the phenomenon in safety management. This process includes developing the implementation factors and other sources such as existing business models and practices into the protocol design. Results - The study suggests the conceptual framework to improve the safety management for patients' environmental sustainability performance. Conclusion - The business model may support the beneficial aspect to healthcare government's policymakers, hospital employees, and medical specialist who can apply the practical perspective of its value regarding an educational protocol. Originality/value - This study contributes to and extends our understanding of environmental sustainability performance, identifying the rationale for safety standards performance in the healthcare industry with suggested hybrid safety standards market consumer interconnector.