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      • KCI등재

        The Perceived Information Quality in Accounting Information System: Effects on Trust and Risk

        Kim, Daekil Korea Society of Industrial Information Systems 2014 한국산업정보학회논문지 Vol.19 No.4

        This study discusses the results of an empirical study carried out to illustrate the key issues that need to be addressed to ensure accounting information quality (AIQ). The study also focuses on the factors of trust and risk as they impact the intention to use accounting information from accounting information systems(AIS). The factors that might impact on accounting information quality have been summarized from the existing literature on previous studies in this area. This study proposes a research model for key issues that have an impact on accounting information quality based on the literature. I use the empirical results of this study to discuss the key components of the research model.

      • KCI등재

        The Trends of IT Convergence in Korea

        이성열,Lee, Sung-Youl Korea Society of Industrial Information Systems 2012 한국산업정보학회논문지 Vol.17 No.7

        These days, the environment of IT development goes through converging with various industries and technologies. Also, it accelerates to pioneer new markets and develop new technologies. This trend becomes one of the most important factors to explore new national growth engines in Korea. Thus, this research examines current trends of IT convergence in Korea. The strategic characteristics of IT convergence in overseas are briefly explained for comparing purpose. The governmental strategies or efforts regarding the IT convergence have been surveyed. Some example convergences of LG, Samsung, and POSCO as major IT industries in Korea have been introduced. It also identifies several buzz concepts in this field. The study aims to provide an insight about the activities that are happening in the field of IT convergence in Korea. Finally, the findings through the research have been summarized.

      • KCI등재

        Modified Element Type ID Representation for XML Structure Retrieval

        Jin, Seung-Hoon,Kim, Soon-Cheol,Kim, Jong-Wan,Kang, Sin-Jae Korea Society of Industrial Information Systems 2003 한국산업정보학회논문지 Vol.8 No.3

        In this paper, a representation method for structure information retrieval without schema and DTD of XML documents is presented. While existing researches have used DTD or schema to extract structure information, we extract structure information directly from XML documents. Especially the well-formed XML documents are only required to retrieve documents in the proposed method. Thus it can retrieve more general and various documents easily compared to the existing XML retrieval systems requiring DTD or schema. Experimental result indicates that the proposed method retrieves effectively structure information of XML documents independently to DTD information.

      • KCI등재

        Smart Dynamic Pricing in Cognitive Radio Systems

        Vo, Dat Korea Society of Industrial Information Systems 2012 한국산업정보학회논문지 Vol.17 No.2

        Smart Dynamic Pricing has been introduced to address the under-utilised network resources problem in mobile telecommunications systems. In this paper, we investigate the applicability of Smart Dynamic Pricing and its signalling models into Cognitive Radio Systems. Cognitive Radio System is defined as one in which cognitive radios are employed to access shared spectrum and/or dynamically allocated spectrum. Network elements, protocols, traffic and control channels, and system architecture are proposed for the implementation of Smart Dynamic Pricing in Cognitive Radio System. It is found that Smart Dynamic Pricing and its signalling models can be applied to Cognitive Radio Systems.

      • KCI등재

        The Study of the SOA Enabled ERP Systems Implementation in Service Industry: Case Study

        Kim, Gyu-C. Korea Society of Industrial Information Systems 2012 한국산업정보학회논문지 Vol.17 No.1

        The primary objective of this research is to explain how to implement the Service Oriented Architecture (hereafter SOA) enabled Enterprise Resource Planning (hereafter ERP) system successfully for service industries. An implementation of the ERP system help many organizations to alleviate the difficult job of supporting inflexible or legacy systems that in most cases result in cost increases, data redundancy and inaccuracy, and various inefficiencies. However, the ERP system is losing its market share rapidly to the cloud computing system which utilizes the Software-as-a-service (hereafter SaaS) and SOA. The SOA is an approach to integrate various types of IT resources to leverage existing ERP system, while at the same time building an infrastructure that can readily respond to new business environment and offer new dynamic applications. The companies that implement this system have less of a need for the kinds of all-in-one ERP system that have dominated the back office for decades and can move freely to best-of-breed applications. This research will identify the benefits and costs of the SOA enabled ERP system through case studies and its impact on competitive priorities such as cost, quality, delivery, and flexibility.

      • KCI등재

        Investigating the Relationships Among Inventory Turnover Performance, IT, and Firm and Industry Characteristics

        김길환,Kim, Gilwhan Korea Society of Industrial Information Systems 2019 한국산업정보학회논문지 Vol.24 No.3

        본 연구는 다음의 세 가지 목적을 갖는다. 첫째, 98개 미국기업의 11년(1999년에서 2009년)치 자료를 통하여 정보기술(IT) 관련 투자가 기업의 재고회전율에 미치는 영향을 분석한다. 둘째, 기업 및 산업의 특성이 재고회전율에 미치는 영향을 살펴본다. 구체적으로, 기업의 특성을 반영하기 위하여 수직결합도(vertical integration)와 성장옵션(growth option)을 고려하였고 기업이 속한 산업의 특성을 반영하기 위해 산업역동성(industry dynamism)과 산업집중도(industry concentration)를 선택하였다. 셋째, 분석 대상기업의 재고회전율에 대한 시계열적 추세를 검토한다. 본 연구의 주요 결과는 다음과 같다. 첫째, 정보기술 투자와 성장옵션은 재고회전율에 양의 영향을 주었다. 둘째, 수직결합도와 산업집중도는 재고회전율은 음의 영향을 주었다. 셋째, 재고회전율에 대한 산업역동성의 효과는 양의 값을 보였다. 마지막으로 분석기간 동안 재고회전율과 '조정된 재고회전율'로 표현된 재고생산성(inventory productivity)의 상승추세를 확인하였다. The objective of this study is three-fold: to investigate the relationship between information technology (IT) investment and inventory turnover, using 98 U.S. firms spanning eleven years (from 1999 to 2009); to analyze the correlation of inventory turnover with firm and industry characteristics, where vertical integration and growth options are chosen to reflect the features of the firm's internal characteristics, and industry dynamism and industry concentration are selected to represent the industry's competitive environment; and to examine time trends in inventory turnover. The significant findings include the following: (i) both IT investment and growth options have a positive impact on inventory turnover; (ii), but vertical integration and industry concentration have a negative impact on inventory turnover; (iii) the impact of industry dynamism on inventory turnover positive; and (iv) the time trends in inventory turnover and 'adjusted inventory turnover' have been increased during the sample period from 1999 to 2009.

      • KCI등재

        Schema Integration Methodology and Toolkit for Heterogeneous and Distributed Geographic Databases

        Park, Jin-Soo Korea Society of Industrial Information Systems 2001 한국산업정보학회논문지 Vol.6 No.3

        스키마 통합은 이종 분산(Heterogeneous and Distributed) 지리데이타베이스 시스템 (GDS, Geographic Database Systems)에 있어서 해결해야 할 가장 과제들 중의 하나이다. 다양한 응용분야에 있어서 공간정보(spatial information)의 사용이 점차적으로 증가해 감에 따라 지리정보의 통합은 의사결정자들에게 있어 대단히 중요한 문제가 되었다. 그러나, 데이타베이스 관련 문헌에 기술되고 있는 기존의 스키마통합 기법은 시각적인 데이터, 공간정보, 임시적인 정보들을 내포하고 있는 복잡한 객체들간의 이질성(heterogeneity)의 관리라는 문제를 간과하고 있다. 스키마통합의 어려움은 의미(semantics)상의 혼돈뿐만 아니라 공간모형에 대한 상이한 표현으로부터도 초래된다. 그러므로, 지리데이타베이스 분야에서 데이터베이스간의 상호작용성(interoperability)을 실현하는 것은 생각했던 것보다 훨씬 복잡한 문제를 야기하게 되는 것이다. 본 연구에서는 이러한 문제의 해결을 시도하기 위하여 이종 분산 지리데이타베이스에 있어서 스키마통합을 지원할 수 있는 방법론과 프로토타입 도구를 소개하고자 한다. Schema integration is one of the most difficult issues in the heterogeneous and distributed geographic database systems (GDSs). As the use of spatial information in various application areas becomes increasingly popular, the integration of geographic information has become a crucial task for decision makers. Most existing schema integration techniques described in the database literature, however, do not address the problems of managing heterogeneities among complex objects that contain visual data and/or spatial and temporal information. The difficulties arise not only from the semantic conflicts, but also from the different representations of spatial models. Consequently, it is much more complex to achieve interoperability in the area of geographic databases. This research attempts to provide a solution to such problems. The research reported in this paper describes a schema integration methodology and a prototype toolkit developed to assist in schema integration activities for GDSs.

      • KCI등재

        A Model of Wireless Paging System Based on Context Aware Computing on Ubiquitous Environment

        Han, Kook-Hee Korea Society of Industrial Information Systems 2006 한국산업정보학회논문지 Vol.11 No.5

        Ubiquitous computing environment means the computing environment that has taken its position so closely with the ordinary living so much like air or water. In building up the U-Korea, one of the important issues is the social issue from the drasticincrease of senior population. The contemporary society has its distinct trend in increase of senior household following the nuclear family orientation, increase of working parents with the advancement of women in society, unable to support seniors for long distance or short distance of business trip and other reasons that the need of senior welfare has been ever more felt. Accordingly, the Ministry of Government Affairs and Home Administration has developed the wireless paging system to make prompt response system for 119 Rescue when the single senior is encountered with emergency situation that is has been widely provided for the socially neglected people such as single senior, the disabled persons and others. Currently, the wireless paging system is operated as the sub-system for emergency rescue informationsystem, but due to the lack of reliability of product, problems of terminal portable transmitter, receptor and others, rejection of beneficiary and lack of knowledge in use, insufficient management and supervision of managing officers, the efficiency has been declined that there is a need of development for the system. Therefore, this study proposes the context aware information structure of the subject of ubiquitous wireless paging system required forthe development of the wireless paging system model of ubiquitous environment that improved the problems of currently operated wireless paging system.

      • KCI등재

        Chief Executive Officer Hubris and Corporate Social Responsibility in Korea: Moderating Role of Corporate Governance

        박현준,최원용,Park, Hyunjun,Choi, Wonyong Korea Society of Industrial Information Systems 2019 한국산업정보학회논문지 Vol.24 No.1

        The corporate social responsibility has become an industry norm, and the majority of companies have adopted corporate social responsibility (CSR) activities due to institutional pressure. This paper suggests that chief executive officer (CEO) characteristics and governance mechanisms such as CEOs hubris, outside directors, and foreign ownership can influence a managerial decision of following the norm in adopting CSR. This paper argues that a CEO with hubris carry out CSR considerably less or more than a CEO without hubris because a CEO with hubris are known to have a tendency to refuse to follow the norm from institutional pressure. On the contrary, corporate governance mechanisms can guide a CEO to follow the industrial norm related to CSR because governance mechanisms tend to control CEO to reduce managerial uncertainty. The results show that CEO with hubris has a positive relationship with the degree of CSR deviation while governance mechanisms have a negative relationship. In addition, governance mechanisms negatively moderate the relationship between CEO with hubris and with the degree of CSR deviation. 한국사회에서 기업의 사회적 책임(CSR)은 산업 규범으로 자리 잡고 있으며, 많은 기업들이 이에 대한 제도적 압력에 순응하여 CSR 활동을 수행하고 있다. 이러한 상황 속에서, 본 연구는 휴브리스와 같은 최고경영자(CEO)의 특성과 사외이사, 외국인 지분률과 같은 기업지배구조 장치가 CSR에 대한 규범을 받아들이는데 영향을 미칠 수 있음을 제시한다. 휴브리스를 지닌 경영자는 제도적 압력에 순응하지 않으며, 산업 규범에 대한 순종을 거부하는 경향이 있다. 따라서, 휴브리스를 지닌 경영자는 타 기업들의 평균적인 즉, 규범화된 수준이 아닌 더 높거나 낮은 수준의 CSR 활동을 수행할 것으로 예상된다. 반면, 경영상의 불확실성을 감소시키기 위해, 기업지배구조는 경영자가 규범화된 수준의 CSR 활동을 유지하도록 CEO를 통제할 것이다. 또한, 기업지배구조 장치는 기업 경영에 나쁜 영향을 미치는 것을 알려진 CEO 휴브리스가 경영의사결정에 미치는 영향을 감소시킨다고 알려져 있다. 따라서, 지배구조가 강화될수록, CEO 휴브리스가 기업의 CSR 활동 수준에 미치는 영향을 감소시킬 것이다.

      • KCI등재

        Security Improvement of ID-based Multiple Key Management Scheme for t Scalable Ad Hoc Networks

        박요한,박영호,문상재,Park, Yo-Han,Park, Young-Ho,Moon, Sang-Jae Korea Society of Industrial Information Systems 2011 한국산업정보학회논문지 Vol.16 No.2

        Security supports are a significant factor in mobile ad hoc networks. Especially in dynamic topologies, considering cluster, key management is essential to provide a secure system. Recently, Li-Liu proposed iD-based multiple key management scheme for cluster-based ad hoc networks. However, we found the security weakness of their scheme. In this paper, we analyze the security of Li-Liu's scheme and show that master secret key and fragment of the master secret key can be revealed to compromised CHs and nodes. Furthermore, we propose a solution to improve the scheme against disclosure of the share key and the master secret key even though system parameters are opened to compromised nodes and modify the Li-Liu's scheme fitted for a scalable networks. The improved IMKM scheme could be usefully applied in dynamic cluster-based MANETs such as the military battlefields, mobile marketplace and VANETs.

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