• Journal of Information Technology Applications and Management
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• v.21 no.1
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• pp.151-163
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• 2014

This paper explores the causal relationship between acceptance attitudes and expected effects of smart work. With the rapid development of smart technologies, lots of organizations try to innovate in the conventional working styles for maximizing organizational effectiveness and efficiency. Although many organizations wish to foster smart working environment, they don't have confidence in detailed action plans and effects from it. Therefore, this study that explores the causal relationship between acceptance attitudes and effects may have crucial meaning to organizations pursuing smart work. In this research empirically conducted by questionnaire survey, the acceptance attitudes as predictors and the expected effects of smart work as influenced variables were used. This research analyzed 118 collected data and multiple regression analysis. As a result of analysis, teleworking shows the positive relations to all of dependent variables. And others have a positive or negative influence on effects of smart work. Results of this study may give implications to organizations that want to implement smart work environment.

• Journal of the Korean Home Economics Association
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• v.49 no.4
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• pp.25-35
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• 2011

This study was intended to suggest overseas expansion strategy of Korean fashion character through sensitive space creation. This study reviewed literature, and did internet searching and observation. For the research methods were the analysis of the main retail spaces utilizing character and case study for the classification of collaboration types between retail space and character. As a results, 8 collaboration types between space and character were extracted: collaboration between retail distribution space and character, collaboration between product space and character, collaboration between service space and character, collaboration between experience space and character, collaboration between moving space and character, collaboration between publicity & advertising space and character, and collaboration between exhibition space and character. This study suggested the necessity of consistent identity strategy between character and retail space for a new character brand and the effectiveness of collaboration strategy for enhancement of character brand awareness.

• Journal of applied mathematics & informatics
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• v.26 no.5_6
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• pp.961-972
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• 2008

In this paper, we consider the global exponential stability of cellular neural networks with time-varying delays. Based on the Lyapunov function method and convex optimization approach, a novel delay-dependent criterion of the system is derived in terms of LMI (linear matrix inequality). In order to solve effectively the LMI convex optimization problem, the interior point algorithm is utilized in this work. Two numerical examples are given to show the effectiveness of our results.

• Asia pacific journal of information systems
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• v.3 no.1
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• pp.190-213
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• 1993

The information revolution is sweeping through the global economy. Information technology is transforming the structure of competition. The successful implementation of information technology is dependent on the effectiveness of information systems planning. However, it is very difficult to select an appropriate methodology for information systems planning given an organization situation. A contingency model is proposed on the selection of an appropriate approach depending upon the organizational situation. Although the contingency framework is not yet theoretically proved, the approaches suggested here turned out to be of benefit to the cases of the two real world projects studied. These approaches attempt to combine Business Systems Planning of IBM and Critical Success Factors in two different manners to make planning process more efficient and effective.

• Asia pacific journal of information systems
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• v.24 no.1
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• pp.51-64
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• 2014

Open innovation concept is advocating the importance of the customer roles in firm's innovation. As a result, crowdsourcing community is drawing attention as a strategic asset for open innovation across diverse industries. Considering that the goal of crowdsourcing community is harnessing innovative ideas, understanding the characteristics of user-favorable and organization-adoptable ideas can enhance the effectiveness and efficiency of idea crowdsourcing. In our approach, we extracted idea content-based characteristics such as subjectivity, negativity, prosocialness, and depth of idea to examine what are the factors that affect user preference and organizational adoption. An analysis of 71,134 ideas from MyStarbucksIdea.com shows that there are significant differences between user-favorable and organization-adoptable ideas in terms of idea characteristics. Lastly, both theoretical and managerial implications are discussed.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2003.05a
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• pp.276-279
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• 2003

무선랜 기술과 이동통신 기기의 비약적인 발전은 기존의 e-비즈니스를 넘어 모바일 비즈니스라는 새로운 사업 기회를 창출하였으며, 학계와 업계에 많은 관심을 불러 일으키고 있다. 기존의 모바일 비즈니스에 대한 연구는 모바일 비즈니스의 새로운 특성이나 서비스에 대한 다양한 관점을 보여주고 있으나, 제시된 특성인 결국 비즈니스 거래(Transaction)에 어떠한 변화를 가져왔는지를 체계적으로 설명하지는 못했을 뿐 아니라, 모바일 서비스의 일반적 특성이나 사례들이 모바일 비즈니스의 새로운 특성과 어떻게 연관되는지에 대한 고려를 하지 않았다. 따라서, 본 연구에서는 모바일 비즈니스가 비즈니스 거래(Transaction)에 영향을 끼친 기본 특성들을 효율설(Efficiency)과 효과성(Effectiveness) 측면에서 제시하고, 모바일 비즈니스에서 기존의 e-비즈니스에 비하여 새로이 가능케 된 기능들에는 어떠란 것들인 존재하는지를 알아보고, 이들과 특성과의 연관관계를 나타내었다. 그리고 모바일 비즈니스의 특성과 기능이 새로운 사업 기회의 측면에서 어떤 시사점을 갖는지 또한 제시하였다.

• Journal of Korean Society for Quality Management
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• v.34 no.3
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• pp.51-61
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• 2006

This paper is dealing with a 6 sigma application in chemical industries. The company is enterprise which produce PR that is semiconductor material. CTQ is consisted of thickness (Big Y$_1$) and EOP (Big Y$_2$). After 6 sigma improvement activity that thickness (Big Y$_1$) improved from 0.98 sigma to 2.80 sigma and EOP (Big Y$_2$, energy optimizer) improved from 1.53 sigma to 3.98 sigma. The effectiveness of financial scope reduced 58,200,000 won of COPQ. But there are some problems to enforce 6 sigma in small enterprises. First, it is a lack of complete charge manpower enforcing S sigma activity. Second, it is a lack of professional knowledge of project leaders. Third, the passion of sponsorship (champion) is a lacking. Nevertheless useful tool was certified so that 6 sigma achieves quality reform in small enterprises.

• Proceedings of the CALSEC Conference
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• 2005.03a
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• pp.189-194
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• 2005

Many studies have been conducted to classify documents, and to extract useful information from documents. However, most search engines have used a keyword based method. This method does not search and classify documents effectively. This paper identifies structures of XML document based on the fact that the XML document has a structural document using a set theory, which is suggested by Broder, and attempts a test for clustering XML document by applying a k-nearest neighbor algorithm. In addition, this study investigates the effectiveness of the clustering technique for large scaled data, compared to the existing bitmap method, by applying a test, which reveals a difference between the clause based documents instead of using a type of vector, in order to measure the similarity between the existing methods.

• 제어로봇시스템학회:학술대회논문집
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• 1999.10a
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• pp.234-237
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• 1999

In this paper, a new method for identification of two-dimensional(2D) impulse response is presented. As is well known, identification of 2D impulse response is an important and necessary theme for image processing or signal processing. Here, the authors extend M-transform which has been proposed by some of the authors to 2D case where an image is used instead of signal, and M-array is used instead of M-sequence. Firstly, we show that 2D impulse response can be obtained by use of M-array. Next 2D M-transform is defined where any 2D image can be considered to be the output of 2D filter whose input is 2D M-array. Simulation results show the effectiveness of identification of 2D impulse response by either using M-array or by 2D M-transform.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.5 no.5
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• pp.1069-1084
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• 2011

This paper considers an optimal base station clustering problem for designing a mobile (wireless) communication network. For a given network with a set of nodes (base stations), the problem is to optimally partition the set of nodes into subsets (each called a cluster) such that the associated inter-cluster traffic is minimized under certain topological constraints and cluster capacity constraints. In the problem analysis, the problem is formulated as an integer programming problem. The integer programming problem is then transformed into a binary integer programming problem, for which the associated linear programming relaxation is solved in a column generation approach assisted by a branch-and-bound procedure. For the column generation, both a heuristic algorithm and a valid inequality approach are exploited. Various numerical examples are solved to evaluate the effectiveness of the LP (Linear Programming) based branch-and-bound algorithm.