• Title/Summary/Keyword: 관계적 속성

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Assessing Cognitive Attributes in the 8th grade Geometry (중학교 2학년 기하에서의 인지 속성 평가)

  • Kim, Sun-Hee
    • Journal of Educational Research in Mathematics
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    • v.19 no.4
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    • pp.531-543
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    • 2009
  • This study identified what cognitive attributes are required of eighth graders to solve geometrical problems such as 'Recall,' 'Analyze,' 'Justify,' 'Synthesize/Integrate,' and 'Solve Non-routine Problems' by using the cognitive diagnostic theory. The five attributes are proved as the skills for solving the geometric problems. Many students have not fully mastered the attributes of 'Justify' and 'Synthesize/Integrate'. There was high correlation between these attributes. 'Analyze' best predicted the changes in the geometric achievement. And while students with high levels of geometrical achievement have mastered all the five attributes, those in the mid- and low-level range of performance have mastered fewer attributes.

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Study on the EDA based Statistics Attributes Discovery and Utilization for the Maritime Safety Statistics Items Diversification (해상안전 통계 항목 다양화를 위한 EDA 기반 통계 속성 도출 및 활용에 관한 연구)

  • Kang, Seong Kyung;Lee, Young Jai
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.26 no.7
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    • pp.798-809
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    • 2020
  • Evidence-based policymaking and assessments for scientific administration have increased the importance of statistics (data) utilization. Statistics can explain specific phenomena by providing numerical values and are a public resource for national decision making. Due to these inherent attributes, statistics are utilized as baseline and base data for government policy determinations and the analysis of various phenomena. However, compared to the importance, the role of statistics is limited, and statistics are often used as simple abstracts, produced mainly for suppliers, not for consumers' perspectives to create value. This study explores the statistical data and other attributes that can be utilized for policies or research to address the problems mentioned above. The baseline statistical data used in this study is from the Maritime Distress Accident Statistical Yearbook published by the South Korean Coast Guard, and other additional attributes are from text analyses of vessel casualty situation reports from the South Korean Maritime Police. Collecting 56 attributes drawn from the text analysis and executing an EDA resulted in 88 attribute unions: 18 attribute unions had a satisfactory significance probability (p-value < .05) and a strong correlation coefficient above 0.7, and 70 attribute unions had a middle correlation. (over 0.4 and under 0.7). Additionally, to utilize the extra attributes discovered from the EDA politically, a keyword analysis for each detailed strategy of the disaster Preparation basic plan was executed, the utilization availability of the attributes was obtained using a matching process of keywords, and the EDA deducted attributes were examined.

Templates Design for Reuse and Their Application - Applying Composition for Design and Inheritance for Uses - (재사용을 위한 템플릿 설계 및 적용 - 구성 관계에 의한 설계와 유전 관계에 의한 적용 -)

  • 박광호
    • The Journal of Information Technology and Database
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    • v.4 no.2
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    • pp.47-63
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    • 1998
  • 본 논문은 탬플릿을 기반으로 하는 새로운 정보시스템 개발 방법을 제시하고 있다. 이 개발 방법은 재사용을 극대화하여 개발 생산성을 향상시키고, 일관성 있는 설계 패턴을 유지하여 개념적 무결성을 유지하는데 목적을 두고 있다. 템플릿의 설계는 다양한 컴포넌트를 조립하여 구현하는 방법을 채택하였는데, 이는 객체지향의 중심 개념 중의 하나인 구성관계 개념에 기반을 둔 것이다. 템플릿을 적용하여 정보시스템의 개별 기능을 구현하는 방법은 유전관계 개념에 기반을 두고 있는데, 템플릿과 유전관계를 설정하여 속성과 연산을 유전 받은 후, 속성과 연산의 일부를 재구현하여 개발하는 방법을 채택하였다. 특히, 재구현을 감안한 연산에 대한 메소드 구현 방법을 제시하여 템플릿 설계의 난제를 해결하였다. 템플릿을 대상으로 성능 평가와 개선 방안도 제시하였다. 제시된 방법의 적용 사례 분석을 통해 실용성을 검증하고 있다.

Integration of Component Image Information and Design Information by Graph to Support Product Design Information Reuse (제품 설계 정보 재사용을 위한 그래프 기반의 부품 영상 정보와 설계 정보의 병합)

  • Lee, Hyung-Jae;Yang, Hyung-Jeong;Kim, Kyoung-Yun;Kim, Soo-Hyung;Kim, Sun-Hee
    • The KIPS Transactions:PartD
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    • v.13D no.7 s.110
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    • pp.1017-1026
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    • 2006
  • Recently, distributed collaborative development environment has been recognized an alternative environment for product development in which multidisciplinary participants are naturally involving. Reuse of Product design information has long been recognized as one of core requirements for efficient product development. This paper addresses an image-based retrieval system to support product design information reuse. In the system, product images obtained from multi-modal devices are utilized to reuse design information. The proposed system conducts the segmentation of a product image by using a labeling method and generates an attributed relational graph (ARG) that represents properties of segmented regions and their relationships. The generated ARG is extended by integrating corresponding part/assembly information. In this manner, the reuse of assembly design information using a product image has been realized. The main advantages of the presented system are following. First, the system is not dependent to specific design tools, because it utilizes multimedia images that can be obtained easily from peripheral devices. Second ratio-based features extracted from images enable image retrievals that contain various sizes of parts. Third, the system has shown outstanding search performance, because we applied various information of segmented part regions and their relationships between parts.

A Study on the Longitudinal Trend Changes in Media Service Addiction Variables - Focusing on Adolescents from 2000 to 2021 (미디어서비스 중독 변인의 종단적 추세변화 연구 - 2000~2021년 청소년 대상 연구를 중심으로)

  • Bae, SeungJu;Lee, SangHo
    • Journal of Korea Society of Industrial Information Systems
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    • v.26 no.5
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    • pp.95-111
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    • 2021
  • This paper is a study to check the flow of how addiction to media services has been studied from a long-term perspective, and to identify variables that can be the basis for future addiction research. Researchers noted the addiction of media services in adolescents in particular, and identified a combination of factors depending on the background of the times. Addiction variables were largely aggregated into four properties: adolescent properties, personal properties, media properties, and media-dependent properties. Addiction variables belonging to the attribute were influenced by major media and divided into four periods. During the study period, the frequency of variables was most related to personal attributes, followed by media attributes, adolescent attributes, and media-dependent attributes. Also Individual attribute variables gradually shifted from object-relationship to individual psychological factors. Variants in media attributes were influenced by the introduction and spread of new media. Variations in adolescent and media-dependent attributes have been weak in studies that observe teenagers' motivations for media use or are related to addiction, and no papers have been published since 2020. Although addiction research on media services is important in terms of industry, there has been an emphasis on social aspects, based on the results of this study, we hope to continue to study the variables of service users who can be used in terms of industry.

The Effect of Barista Job Attributes on Lovemark and Brand Loyalty (바리스타의 직무속성이 러브마크 속성 및 브랜드충성도에 미치는 영향)

  • Oh, Chang-Ho;Baek, Min-Suk
    • Management & Information Systems Review
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    • v.33 no.1
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    • pp.279-298
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    • 2014
  • This research is based on service marketing to explain the effect of barista job attributes as the antecedents of lovemarks for increasing brand loyalty. The analysis was held with customers who experienced local and national coffee shop in Pusan area by using SPSS18K and Smart PLS 2.0. The study verified the structural equation model hypothesizing the relationship among related factors including barista job attributes, lovemarks and brand loyalty. According to the result of this study, barista job attributes factors including expertise, communication, and service orientation have positive effect on the lovemark. Furthermore, structural relationships among lovemark variables were identified through hypothesis testing. However, the effects of expertise and service orientation on intimacy were not significant especially in local brand. Additional multi-group testing was conducted to explain managerial implication of this research. The research has several marketing implication on service marketing and lovemark theory. For firms, customers'perception of barista's job attributes can generate positive lovemark effect and develop brand loyalty in the service marketing perspectives.

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A Model of the Antecedents of Consumers' Green Purchase Behavior (친환경제품구매 결정요인들에 관한 모델)

  • Kim, Yeonshin
    • Asia Marketing Journal
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    • v.8 no.2
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    • pp.1-26
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    • 2006
  • In the growing field of green marketing there are various psychological influences that can lead to green purchase behavior. An understanding of these influences can lead to greater green marketing effectiveness. The purpose of this paper is to analyze the effects of several value types, environmental attitudes, and preference for product attributes on green purchase behavior. To this end, a conceptual model has been proposed and tested for empirical verification with the use of a survey. Data collected from 266 Korean respondents are analyzed using path analysis. Results provide support for the proposed model, demonstrating positive links among universalism, environmental attitudes, preference for environmental attribute, and green buying behavior. It indicates that individuals with universalism as a preferred value type are high in their environmental attitudes and finally, tend to buy green products through their preference for environmental attribute. The mediating role of preference for price is not significant between environmental attitudes and green purchase behavior. The present findings, in addition, contribute the width of understanding of various proenvironmental behaviors by focusing on green purchase behavior and surveying with a Korean sample. The implications for the practices of green marketing are discussed.

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A Study on the Effects of e-Store Attributions on Web Site Loyalty (e-점포 속성이 신뢰, 만족 및 충성도에 미치는 영향에 관한연구)

  • Park, Sung-Kyu;Park, Yeung-Bong
    • Journal of Global Scholars of Marketing Science
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    • v.15 no.1
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    • pp.21-39
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    • 2005
  • The research objectives of this study were to examine the relationship between e-store attributions(reputation, customer service, safety(security), merchandise quality, information quality, web navigation), trust, satisfaction and web site loyalty. The data were collected using survey with a structured questionnaire. The subjects of the study were 213 people. Several hypotheses were put forward and results except for four hypotheses were supported. That is, reputation, customer service, safety(security) and merchandise quality have a significant influence on trust and satisfaction, information quality and web navigation have no influence on trust and satisfaction, and trust and satisfaction have a significant influence on e-loyalty. Regression Analysis were applied to test the research hypotheses on the relationships among the variables. Research implications of the findings and future research directions are presented.

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Relations among Foodservice Quality between Customer Loyalty of High School Students in Busan Area (부산지역 일부 고등학생들의 급식서비스 품질과 고객충성과의 관계)

  • Kim, Sun-Hee;Kim, Hyun-Sook;Lyu, Eun-Soon
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.38 no.9
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    • pp.1271-1278
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    • 2009
  • The purpose of this study was the improvement of satisfaction for school foodservice customers through analysis of the importance and performance of school foodservice quality and the understanding what factors affected customer's loyalty. The questionnaire was distributed to three hundred students at five high schools in Busan. Students evaluated the factors of importance and performance, the order of importance was sanitation> food> service and then, the order of performance was sanitation> service> food. Gap analysis resulted 4.39 for importance factors and 2.51 for performance factors; importance scores were higher than performance scores at all areas (p<0.01) and the sanitation factor gap was the biggest gap compared to all others. Each factor's analysis resulted that the gap analysis order was taste> balance of main & sub side dish> diversity of food in food area, quick react to customer complaint> reflection of customer proposal and recommendation> provide better service than competitor in service area, sanitation of food> cleanness of tableware> cleanness of container in sanitation area. The average score of customer's loyalty was 1.66 and female' score was significantly higher than male (p<0.001). Food, service and sanitation had a significant correlation to customer's loyalty than service (p<0.01), food (p<0.05), and sanitation (p<0.05) affected customer's loyalty significantly. So, intensive control is needed in the sanitation area which had the highest gap analysis result between importance and performance in food service. Especially, service factor was very important in explaining customer's loyalty, so service improvement through training is needed to improve student's satisfaction.

The Effects of Mongolian Consumer's Korean Cosmetics Selection Attributes on Brand Reliability and Purchasing Intention: -Moderating Effect of Advertising Media and Promotion Type- (몽골 소비자의 한국화장품 선택속성이 브랜드 신뢰도 및 구매 의도에 미치는 영향: 광고매체와 판촉유형의 조절효과 분석)

  • Ganbold, Gandulam;Jang, Hyeong-Yu
    • The Journal of the Korea Contents Association
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    • v.20 no.10
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    • pp.134-145
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    • 2020
  • This study focused on the effects of Korean cosmetics selection attributes on Mongolian consumers' brand reliability and purchasing intentions. We are also to verify the relationship impacts between consumers brand reliability in advertising media and the purchase intention on the type of promotion. 255 questionnaires were collected for Mongolian consumers and analyzed using SPSS and AMOS. The analysis shows that product price, image and quality that they have a positive effect on brand reliability, while familiarity has not had a meaningful impact on brand reliability. Moreover, brand reliability has been shown to have a positive effect on purchasing intention. As a result of the adjustment effect test according to advertising media, the relationship impacts between product selection attributes and brand reliability were shown positive effect in part. Finally, the type of sales promotion were found to have a controlling effect between brand reliability and purchasing intention. These results show applicable implications for Korean cosmetics companies in terms of marketing and operations when entering Mongolia's cosmetics industry.