• Title/Summary/Keyword: relational model

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Relationship Perspective Analysis for IOS Usage (IOS 활용의 관계적 관점 분석)

  • Han, Hyun-Soo;Choi, Yong-Jin
    • Korean Management Science Review
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    • v.27 no.3
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    • pp.87-98
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    • 2010
  • In this paper, we drew upon IMP group's Interaction model to investigate the contributing impact of Inter-organizational system (IOS) on performance through enhancing inter-organizational relationship. While most extant literature studied the contribution of IOS from transaction efficiency perspective, the relational aspect of IOS contribution on the supply chain was addressed only by a few researches. As such, we intended to fill this gap of the IOS research stream. The conceptual model was developed, with reference to process theory, to analyze how the relational perspective could be applicable to IOS impact on performance. With the 129 sample data collected at the firm level,structural equation model using the LISREL was employed to validate the proposed research model. The empirical results supported the hypotheses such as the extent of IOS usage positively influences the interaction between the firms, which thereby enhances the extent of inter-firm partnership and performance. The results help better understanding the strategic use of IOS from relationship perspective.

Design and Implementation of Relational Database model Using Fuzzy-rough Sets (퍼지-라프 집합을 이용한 관계 데이터베이스 구성)

  • Gang, Jeon-Geun;Jeong, Hwan-Muk
    • The Transactions of the Korea Information Processing Society
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    • v.4 no.1
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    • pp.1-10
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    • 1997
  • In this paper, for useful administration of the data which have ambiguities meaningfully and hard to treat, a new relation database model using an integrated fuzzy sets and rough sets relational database one. After proposing Fuzzy-rough relational database model on the base of integrated Fuzzy and Rough sets, Application of the examples of arithmetic is analyzed through the Access DBMS and the visual basic by composing and representing database based on fuzzy and rough sets which are characterized as fuzzy sets and rough sets on Pentium computer(166Mhz). This paper was induced to reduce the data incompleteness.

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A Study on Designing Schema for Process Repository (프로세스 리파지토리를 위한 스키마 설계에 관한 연구)

  • 이재정;정호석;홍순구
    • Journal of Korea Society of Industrial Information Systems
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    • v.8 no.2
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    • pp.98-107
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    • 2003
  • The purpose of this study is to propose the schema for process repository that overcomes the limitations of existing process repositories in which it is not easy to compare and analyze such the unstructured data as a process model. To achieve this goal, the previous studies on process repository are reviewed, the schema for process repository is designed, and the tables for relational database are created. For the validation of the schema presented in this paper, the process model stored in relational database is examed using SQL. The contributions of this study are as follows. First, the schema for process repository storing process models is designed and validated. Second, the process model created by the new schema and stored in relational database leads to improve the performance of process analysis.

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The Effects of LMX on Creativity: The Serial Multiple Mediating Effects of Relational Energy and Creative Process Engagement (LMX가 창의성에 미치는 영향: 관계에너지와 창의과정몰입의 연속다중매개효과를 중심으로)

  • Li, Wei;Tian, Zhi-Rong;Park, Ho-Hwan
    • The Journal of the Korea Contents Association
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    • v.22 no.10
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    • pp.309-319
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    • 2022
  • As a study on the mechanisms by which creativity is improved in an organization, this study tried to verify the serial multiple mediating effects of relational energy and creative process engagement in the effect of leader-member exchange(LMX) on creativity. To test the hypothesis, a survey was conducted on 200 workers in China, and 154 of them were analyzed. The analysis used model 6 of the PROCESS macro. As a result, first, LMX has positive effects on creativity. Second, relational energy mediated the relationship between LMX and creativity. Third, creative process engagement mediated the relationship between LMX and creativity. Forth, relational energy and creative process engagement continuously mediated the relationship between LMX and creativity. Based on these research results, the implications and limitations of this study were presented, and methods to improve creativity in the organization were discussed.

Fashion Brand Experiential Store -Mediating Effect of Flow and Moderating Effect of Gender- (패션 브랜드 체험형 매장 -몰입의 매개효과와 성별의 조절효과-)

  • Yu Ju Sung;Sae Eun Lee;Kyu Hye Lee
    • Journal of Fashion Business
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    • v.27 no.1
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    • pp.50-60
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    • 2023
  • The purpose of this study was to understand the factors with consumers' fashion experiential store experiences and investigate the effect on flow and brand attitude. The study also aimed to investigate whether gender moderated the relationship between consumers' fashion experiential store experiences and flow. An online survey of consumers in their 20s and 40s was conducted. The SPSS 27.0 program was used to perform frequency, factor, and reliability analysis. The structural equation model was analyzed using the SMART-PLS program. The structural model analysis confirmed that consumers' rational, physical, and relational experiences in fashion brand experiential stores strongly influenced flow and found that relational experience had the strongest influence on flow. The influence of rational, physical, and relational experiences and flow on brand attitude was confirmed, where flow had the strongest effect on brand attitude. The examination of the moderating effect of gender on the relationship between consumers' fashion experiential store experiences and flow found that the effect in men was significant for flow and brand attitude through rational experience and that the effect in women was significant for flow and brand attitude through relational experience. These results provide academic implications, and by strengthening consumer flow, we intend to propose the establishment of a marketing strategy and opportunity plan that can elicit a positive brand attitude.

The Effect of Augmented Reality Traits on Presence, Flow, and Relational Continuance Behavior with Smart-Phones (스마트폰 기반 증강현실 특성이 프레즌스, 플로우 및 관계지속행동에 미치는 영향)

  • Chun, Tae-Yoo;Park, No-Hyun
    • Journal of Distribution Science
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    • v.13 no.5
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    • pp.45-52
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    • 2015
  • Purpose - Augmented reality (AR) content used in mobile media today can accommodate a wide variety of contextual information. This indicates that making people experience a sense of presence and flow is a very significant factor in augmented reality content. Flow represents a rich immersion potential as representing the progress of emotion and the means to facilitate the operation of the smart phone. Therefore, users will have friendly relational continuance behavior with products and brands that supply this experience. Based on that, the purpose of this study is to investigate the relationships among smart phone AR application traits, presence, flow experience, and relational continuance behavior. First, AR application traits are defined as three categories sensory immersion, navigation, and manipulation, based on preceding studies. This study then examines the influence of AR application traits on the presence and flow experience and looks into the relation among presence, flow experience, and relational continuance behavior. This analysis suggests more detailed and concentrated strategic implications. Research design, data, and methodology - A research model is designed to examine the relation among AR application traits, presence, flow experience, and relational continued behavior. For data collection, questionnaire surveys were composed of multi-items for each component and the direct interview method was used for the interviews. To collect the data, after running the smart phone AR applications, the consumer behaviors of the respondents were generally determined. The questionnaire surveys were conducted for one month, October 2014. A total of 300 questionnaires were distributed with 278 questionnaires used for analysis, excluding the unanswered and insincere questionnaires. The data were analyzed using SPSS ver. 20.0 and LISREL ver. 8.51. Results - The following results are found: First, AR application traits have a significantly positive effect on presence with sensory immersion, navigation, and manipulation all having a significantly positive effect. Second, sensory immersion and manipulation among the AR application traits have a significantly positive effect on flow. However, navigation did not have a significantly positive effect on flow. Third, presence has a significantly positive effect on flow and has a significantly positive effect on relational continuance behavior. Moreover, flow also has a significantly positive effect on relational continuance behavior. This behavior tends to be formed since brands want to encourage relational continuance behavior and positive emotions with the brands being used. Relational continuance behavior accompanies repeat purchasing, positive word-of-mouth and recommendation activities, and forms of trust with the brand. Conclusions - The research results showed that smart phone AR traits had significantly positive effect on presence, flow, and relational continuance behavior. Based on this, smart phone AR application providers should establish an aggressive marketing strategy to accommodate more realistic problems in order to positively influence user behavior. Additionally, the marketers should make efforts to provide fun or convenience in the AR application operation process of the user.

Inverted Indexes for XML Updates and Full-Text Retrievals in Relational Model (관계형 모델에서 XML 변경과 전문 검색을 지원하기 위한 역 인덱스 구축 기법)

  • Cheon, Yun-Woo;Hong, Dong-Kweon
    • The KIPS Transactions:PartD
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    • v.11D no.3
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    • pp.509-518
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    • 2004
  • Recently there has been some efforts to add XML full-text retrievals and XML updates into new standardization of XML queries. XML full-text retrievals plays an important role in XML query languages. of like tables in relational model an XML document has complex and unstructured natures. We believe that when we try to get some information from unstructured XML documents a full-text retrieval query is much more convenient approach than a regular structured query XML update is another core function that an XML query have to have. In this paper we propose an inverted index to support XML updates and XML full-text queries in relational environment. Performance comparisons exhibit that our approach maintains a comparable size of inverted indexes and it supports many full-text retrieval functions very well. It also shows very stable retrieval performance especially for large size of XML documents. Foremost our approach handles XML updates efficiently by removing cascading effects.

A Study of Relationship between Relational Embeddedness of Supply Chain and Financial Performance (공급사슬의 관계적 내재성과 재무적 성과와의 관계)

  • Chung, Yeon-Joo;Kang, Nak-Jung
    • Management & Information Systems Review
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    • v.31 no.3
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    • pp.141-160
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    • 2012
  • This study investigate the relationship between embeddedness of supply chain on supply chain performance. The development of research model is based on network embeddedness that the literature of strategic management and sociology. To examine the research model and hypotheses, we have used an empirical method based on field survey in which most of measurements used and verified in previous studies are selected as measurements. The data from survey was analyzed using Partial Least Squares(PLS). The result from empirical model suggest as follow; First, relational embeddedness of supply chain effects on supply chain performance. Especially, reciprocal dependance affects interfirm relation performance. Also trust and tie strength of relational embeddedness affects interfirm relation performance. Second, interfirm relation performance affects financial performance.

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An XML Data Management System and Its Application to Genome Databases (XML 데이타 관리시스템과 유전체 데이타베이스에의 응용)

  • 이경희;김태경;김선신;이충세;조완섭
    • Journal of KIISE:Databases
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    • v.31 no.4
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    • pp.432-443
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    • 2004
  • As the XML data has been widely used in the Internet, it is necessary to store and retrieve the XML data by using DBMSs. However, relational DBMSs suffer from the model difference between graph structure of the XML data and table forms in relational databases. We propose an ORDBMS-based DTD-dependent XML data management system Xing. Xing stores XML data in a DTD-dependent form in an object database. Since the object database schema has a graph structure and supports multi-valued attributes, mapping from an XML data model and queries into an object data model and OQLs is a simple problem. For rapid storing of large quantities of the XML data, we use SAX parser with customized Xing-tree which requires a small memory space compared with the DOM-tree. Xing also returns the query result in an XML document form. We have implemented the Xing system on top of UniSQL object-relational DBMS for the validity checking and performance comparison. For XML genome data from GenBank, and experimental evaluation shows that Xing can provide significant performance improvement (maximum 10 times) compared with the relational approach.

A Design of Metadata Registry Database based on Object-Relational Transformation Methodology (객체-관계 변환 방법론 기반 메타데이터 레지스트리 데이터베이스 설계)

  • Cha, Sooyoung;Lee, Sukhoon;Jeong, Dongwon;Baik, Doo-Kwon
    • Journal of KIISE
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    • v.42 no.9
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    • pp.1147-1161
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    • 2015
  • The ISO/IEC 11179 Metadata registry (MDR) is an international standard that was developed to register and share metadata. ISO/IEC 11179 represents an MDR as a metamodel that is an object model. However, it is difficult to develop an MDR based on ISO/IEC 11179 because the standard has no clear criteria to transform the metamodel into a database. In this paper, we suggest the design of an MDR data model that is based on object-relational transformation methodology (ORTM) for the MDR implementation. Hence, we classify the transformation methods of ORTM according to the corresponding relationships. After classification, we propose modeling rules by defining the standard use of the transformation. This paper builds the relational database tables as an implementation result of an MDR data model. Through experiments and evaluation, we verify the proposed modeling rules and evaluate the suitability of the created table structures. As the result, the proposed method shows that the table structures preserve classes and relationships of the standard metamodel well.