• Title/Summary/Keyword: conceptual data model

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A Study on the Application of the FRBR Model to Newspaper (신문의 FRBR 모형 적용에 관한 연구)

  • Chang, Inho
    • Journal of the Korean Society for Library and Information Science
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    • v.49 no.3
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    • pp.333-349
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    • 2015
  • This study examined the application of the FRBR model to newspapers and news articles. In order to meet the purpose that was mentioned above, we analyzed data items based on the level of newspapers and articles and discussed how the FRBR model may be applied. In terms of the level of a newspaper, each of newspapers, morning/evening paper, issue and edition are regarded as an individual work, and the relationship among them are considered to be the 'whole-part relationship'. Each article on the level of article basis was considered to be a work and was in a relationship of 'whole-part relationship' with the edition of each level of newspapers. Newspaper articles can be represented as texts, photographs, graphics, and tables, etc., and regarded as an individual work. Each work can be a part of the article on a newspaper or can be an independent article itself. Moreover, a uniform heading of each boxed article and running story is included in the work of each article and is forming a 'whole-part relationship'. Because of the changes of the newspaper name, the uniform title of each name regarded as a single binding. It is called the superwork and it is forming 'whole-part relationship' with each name.

The Financial Management Behavior and Financial Satisfaction of Urban Households (도시가계의 재무관리행동과 재정만족도)

  • 조미환
    • Journal of Families and Better Life
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    • v.16 no.3
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    • pp.141-154
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    • 1998
  • The purpose of this study was to examine a path model that investigated the relations among socioeconomic variables. financial management and financial satisfaction of urban households. for this purpose conceptual framework based on the system theory of family resource management was suggested. Data were collected from questionaire with 254 financial managers who were residents of Seoul. The major findings of this study were as follows: (1) The variables that effected financial satisfaction directly ere financial knowledge monthly saving amounts the gap between the level and standard of living and financial implementing. The financial planning effected indirectly on financial satsfaction through financial implementing. (2) The findings of this study provided support for a systems approach to family financial management. There result indicated that it is the combined effect of inputs and throughputs that effects the output of financial satisfaction.

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Procedural Interface between Freehand Sketch-based Modeling System and Commercial MCAD (프리핸드 스케치 기반 모델링 시스템과 상업용 MCAD의 절차적 인터페이스)

  • Cheon, Sang-Uk;Mun, Du-Hwan;Kim, Byung-Chul;Han, Soon-Hung
    • Korean Journal of Computational Design and Engineering
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    • v.13 no.4
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    • pp.255-264
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    • 2008
  • Research that reconstructs a 3D model from a freehand 2D sketch has gained attention since 1990s, when data integration in the CAD/CAPP/CAM/CNC chain was an important issue. However, 2D sketches in the conceptual design phase have not been integrated with the downstream CAD/CAPP/CAM/CNC chain. In this paper, we present a method to interface a freehand sketch modeling to commercial CAD systems by mapping a sketch modeling history to the macro parametric history. We use an extended ISO10303-112 standard to represent the modeling history in a gestural modeling system and translate sketch files to neutral macro files. Macro parametric translators are used to translate netural macro files to commercial CAD files.

Factors Influencing the Effects of Online Product Transformation : Online Shopping benefits, Electronic Word-of-Mouth, and Consumer Characteristics (온라인 제품전환 효과에 영향을 미치는 요인 : 온라인 쇼핑혜택, 구전, 소비자 특성을 중심으로)

  • Lee Yon-Jin;Park Cheol
    • Journal of Information Technology Applications and Management
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    • v.13 no.3
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    • pp.181-200
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    • 2006
  • The purpose of this study is to examine factors influencing online product transformation focusing on benefits of online shopping and word of mouth. Generally, it has been known that buying search goods is more proper than experience goods in the online. However benefits of online shopping and word of mouth make product transformation from experience goods to search goods and the product transformation promote the purchase of experience goods online. We developed a conceptual model of online product transformation including benefits of online shopping(e.g. good price and convenience), online word of mouth (e.g. bulletin board and consumer reviews), and consumer characteristics (e.g. innovativeness and Internet usage). Also, we suggest several research propositions on online product transformation. The implications for marketing strategies of experience goods and furher research direction are suggested.

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The Effects of Training for Computer Skills on Outcome Expectations, Ease of Use, Self-Efficacy and Perceived Behavioral Control

  • Lee, Min-Hwa
    • The Journal of Information Systems
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    • v.5
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    • pp.345-371
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    • 1996
  • Previous studies on user training have largely focused on assessing models which describe the determinants of information technology usage or examined the effects of training on user satisfaction, productivity, performance, and so on. Scant research efforts have been made, however, to examine those effects of training by using theoretical models. This study presented a conceptual models to predict intention to use information technology and conducted an experiment to understand how training for computer skill acquisition affects primary variables of the model. The data were obtained from 32 student subjects of an experimental group and 31 students of a control group, and the information technology employed for this study was a university electronic mail system. The study results revealed that attitude toward usage and perceived behavioral control helped to predict user intentions ;; outcome expectations were positively related to attitude toward usage ; and self-efficacy was positively related to perceived behavioral control. The hands-on training for the experimental group led to increases in perceived ease of use, self-efficacy and perceived behavioral control. The changes in those variables suggest more causal effects of user training than other survey studies.

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A Comparative Study of South Korea and Turkey: Attitudes, Beliefs, and Creative Student Oriented Teaching Practices of Middle School Mathematics Teachers

  • Corlu, M. Sencer;Erdogan, Niyazi;Sahin, Alpaslan
    • Research in Mathematical Education
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    • v.15 no.3
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    • pp.295-310
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    • 2011
  • Teachers' attitudes and beliefs are related to teaching practices and are dependent upon their teaching domain. The present study compares conceptual models of creative student oriented teaching practices of mathematics teachers in two OECD countries, South Korea and Turkey to provide an insight for teacher educators and policy makers. Teaching and Learning International Survey 2008 (TALIS 2008) data are used to test the fit of a path analysis model with a subsample of l337 middle school mathematics teachers ($N_{Korea}$ = 562 vs. $N_{Turkey}$ = 775). The study showed that Turkish teachers were younger and less experienced, whereas Korean teachers were better educated. Despite the statistical differences in attitudes, beliefs and practices between countries, it was found that the teaching practices of mathematics teachers in both countries were more complex than to be explained only through attitudes and beliefs.

Battlefield Ontology for Communication Unit Mission (통신부대 임무수행을 위한 전장온톨로지)

  • Lee, Yujin;Lee, Kyong-Ho
    • Journal of Korea Multimedia Society
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    • v.23 no.5
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    • pp.667-672
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    • 2020
  • Defense M&S (Modeling&Simulation) is a tool that creates a virtual battle situation similar to the real world, measuring and evaluating the effects of war or combat elements. However, it is very challenging to consider all the possible outcomes on the battlefield. To solve this problem, we propose a battlefield ontology, which conceptualizes the data of battlefield situation with tactical considerations. The proposed battlefield ontology is evaluated based on various communication posts in war game scenarios. The battlefield ontology is expected to assist the process of quick and accurate command decisions in convoluted battlefield situations.

Parametric Design Techniques for Optimal RC Helicopter Design (RC 헬리콥터 최적화 설계를 위한 변수설계 기법)

  • Lee, Jae-Young;Hwang, Ho-Yon;Kim, Jung-Yub
    • Journal of the Korean Society for Aviation and Aeronautics
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    • v.16 no.4
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    • pp.1-11
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    • 2008
  • This research presents a study for the knowledge-based configuration design development of a RC (remote control) helicopter. Parametric design and knowledge based design concepts are introduced for rapid design changes and analyses using commercial CAD software, CATIA(R) Knowledgeware module. It is crucial for RC helicopter design because it enables rapid conceptual design through instant configuration changes. Positions and dimensions of RC helicopter parts were used as design parameters. As an example, positions of CG(center of gravity) points were traced and plotted as the configuration changes. Further research should be performed in areas of user interfaces and web-based multi-user environments instead of using Excel data sheets.

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Generativity Capacity: Conceptual Definition and Determinants (제너러티비티역량 : 개념적 정의 및 결정요인)

  • Yoon, Jihyun;Kwahk, Kee-Young
    • Knowledge Management Research
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    • v.15 no.3
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    • pp.95-120
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    • 2014
  • In order to successfully adapt in ever-changing social and economic environment, organizational members need to get a capacity to be open to accepting change, effectively leverage the knowledge assets accumulated inside and outside the company for pursuing new values. In this study, we defined such competence as generativity capacity and demonstrated mechanism for forming generativity capacity and an impact on job performance. We suggested absorptive capacity, tertius iungens orientation, use of information technology as antecedent variables of generativity capacity. For empirically verifying the proposed model, we collected sample data from 201 workers and conducted analysis using a structural equation modeling. The empirical analysis results revealed that all of the proposed antecedent variables significantly impacted on generativity capacity, which in turn had a significant effect on job performance. We expect that this study will provide researchers and managers who want to get a broader perspective on knowledge management beyond the boundaries with useful theoretical and practical implications.

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The Utilization of e-resources at Modibbo Adama University of Technology (MAUTech), Yola, Adamawa State, Nigeria

  • Joshua, Dauda;King, Lizette
    • International Journal of Knowledge Content Development & Technology
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    • v.10 no.1
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    • pp.47-70
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    • 2020
  • This article examines the utilization of e-resources Modibbo Adama University of Technology, (MAUTech) Yola under the auspices of the central library, the Ibrahim Babangida Library. Academics and students are primary users of information resources of any library, hence, their responses towards the utilization of e-resources in the institution have been critically considered in this study. A Mixed method research Design was adopted for the study. A case study approach was employed. The Technology Acceptance Model (TAM) and Diffusion of Innovation (DoI) theories were used to develop the conceptual framework of this paper. Questionnaires were used as data gathering tools. Academics and students acted as participants. Major findings are lack of sufficient Internet access for academics and students and lack of training and awareness campaigns. Conclusion has shown that e-resources did not impact research and teaching of academics in MAUTech, Yola.