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        검색결과 898

        381.
        2014.07 구독 인증기관·개인회원 무료
        These days, thanks to lots of smart devices and advanced communication technologies, consumer’s recognition and relations have been changed. They, beyond relying on information and services which are produced by experts, produce information and knowledge by themselves via SNS or web that they want to know. As consumer’s recognition is changing like this, SNS is evolving into social platform. Therefore, this paper is intended to clarify overall relationship between network characteristics in social platform, knowledge sharing, social capital, social innovation and customer’s value. This paper has clarified influences between variables related to consumer’s behaviors in social platform and the results are summarized as following: First, network characteristics in social platform are found to positively affect knowledge sharing efforts of social platform. Second, knowledge sharing has been found to positively affect social capital and innovation in social platform. However, enjoyment in helping others i.e a sub variable is found to positively affect social capital and innovation through anticipated reciprocal relationships. Third, social capital and innovation in social platform have affected customer value in social platform positively. Consequently, this paper is intended to solve various problems found from overall societies and industries through social innovation and also to advance them. For these purposes, social platform is believed to prompt sharing idea and knowledge based on interactions between users and social relationship. These actions become social capitals resulting in social innovation. Moreover, these would create new businesses and marketing opportunities across various areas in the processes that innovative activities form customer values.
        382.
        2014.07 구독 인증기관·개인회원 무료
        This study is concerned with the extent to which network-oriented behaviors directly and/or indirectly affect firm performance. We posit that a firm’s interactive behaviors in relation to an embedded network structure are key mechanisms that facilitate the development of important organizational capabilities in dealing with business partners. Such network-oriented behaviors, which are aimed at affecting the position of a company in the network, are consequently important drivers of firm performance, rather than the network structure alone. We develop a conceptual model that captures network-oriented behaviors as a driving force of firm performance in relation to three other key organizational behaviors, i.e. customer-oriented, competitor-oriented and relationship-oriented behaviors. We test the hypothesized model using a data set of 354 responses collected via an on-line questionnaire from UK managers, whose organizations operate in business-to-business markets in either manufacturing or services sectors. Based on the research results all the hypothesized relationships are supported, except the moderation effect of technological turbulence on the relationship of network-oriented behaviors and relationship portfolio effectiveness. The research results indicate that a firm’s network-oriented behaviors positively impact on the development of customer-oriented and competitor-oriented behaviors. They also foster relationship coordination with its important business partners within the network. In addition, the effective management of the firm’s portfolio of relationships is found to mediate the positive impact of network-oriented behaviors on firm profitability.
        383.
        2014.07 구독 인증기관 무료, 개인회원 유료
        This paper examines the situational, individual and social network determinants of negative online word-of-mouth on social network sites. The findings of the empirical study indicate that feeling of injustice, firm attribution, perceived service image, face concern, emotion regulation, SNS use intensity and tie strength significantly affects negative word-of-mouth.
        4,000원
        384.
        2014.07 구독 인증기관·개인회원 무료
        Understanding the richness and complexity of consumers’ memory structures for a country is important for governments, tourist boards, investment promotion agencies, cultural institutes, exporter associations, Ministries of Foreign Affairs and NGOs in order to increase tourism, exports, inward investment, etc. The image of the country is a key asset that, beyond its symbolic value to the pride and confidence of a nation, has an impact on the welfare and the economic development. Understanding and specifying which levers have a disproportionate effect on generic county evaluations and country image perception is invaluable to both practitioners and academics. Associative network analysis can be helpful to identify the key levers that shape a country’s image. While a number of studies conceptualise brand image from an associative network perspective, based on cognitive psychology, only a few researchers (Henderson, Iacobucci, & Calder 1998; Teichert, & Schöntag 2010) combine this psychological approach with a network analysis perspective applying it at the product brand level. The use of such a combined approach offers certain advantages and more informed insights of image concepts in comparison to a mono-method perspective. This research uses the combined methodology to examine country image associations, and offer new insights on the construct of country image, and on the future development of a more customised approach to the country image measures.
        385.
        2014.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        A kind of field bus called Actuator and Sensor interface bus(AS-i) was designed in this paper. The configuration of AS-i network system used Application Specific Integrated Circuit(ASIC) SAP5S chip and PLC S7-200 station, which included CPU 224 and AS-i master module CP 243-2. We also created an example program for PLC S7-200 to control AS-i network. The fire and smoke detection system was made with AS-i network system that was designed. This system had got more advantages than other system such as number of stations, easy installation, wide working area, etc. And designed system can be used as a partner network for higher level field bus networks.
        4,000원
        386.
        2014.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        It is important to predict chlorine decay with different water purification processes and distribution pipeline materials, especially because chlorine decay is in direct relationship with the stability of water quality. The degree of chlorine decay may affect the water quality at the end of the pipeline: it may produce disinfection by-products or cause unpleasant odor and taste. Sand filtrate and dual media filtrate were used as influents in this study, and cast iron (CI), polyvinyl chloride (PVC), and stainless steel (SS) were used as pipeline materials. The results were analyzed via chlorine decay models by comparing the experimental and model parameters. The models were then used to estimate rechlorination time and chlorine decay time. The results indicated that water quality (e.g. organic matter and alkalinity) and pipeline materials were important factors influencing bulk decay and sand filtrate exhibited greater chlorine decay than dual media filtrate. The two-component second-order model was more applicable than the first decay model, and it enabled the estimation of chlorine decay time. These results are expected to provide the basis for modeling chlorine decay of different water purification processes and pipeline materials.
        4,200원
        387.
        2014.05 구독 인증기관 무료, 개인회원 유료
        인터넷망의 개방성과 중립성을 어느 정도까지 보장해야 할 것인지에 관한 망중립성 논의는 2000년 대 초반에 시작되었지만, 인터넷망을 통한 사업모 델들이 융합과 혁신을 통하여 눈부시게 발전할수 록 이 문제에 대한 이해관계인들간의 의견은 찬성 과 반대로 첨예하게 대립하고 있는 모습이다. 망중 립성이라는 개념은 결국 이를 통하여 어떠한 가치 를 어떻게 보호할 것인지에 관한 문제로 접근하는 것이 보다 현실적인 해결방안으로 보인다. 미국의 경우, Comcast판결에서 연방통신위원회의 규제권 한 존재여부의 문제로 망중립성 문제가 논의되었 으나, 최근 Verizon판결에 의하여 일단 연방통신위 원회의 규제권한 존부의 문제는 일단락이 되면서 향후에는 연방통신위원회의 규제의 내용과 방법에 관한 논의로 전개될 것이 예상된다. 유럽에서는 망 중립성에 대한 규제와 관련하여 당초 미국에 비하 여 다소 소극적인 입장에서 출발했으나, 사업자들 간의 이해관계가 점점 더 첨예하게 대립하면서 이 를 정면으로 받아들이는 입법까지도 고려되고 있 다. 우리나라의 경우에는 전기통신사업법과 공정 거래법의 관련규정을 통하여 망중립성이라는 규범 적 가치를 보호하기 위한 입법이 정비되어 있는 상 황이며, 실제로 망중립성의 문제가 내재한 사안들 에서 방송통신위원회와 공정거래위원회의 규제권 한이 행사되고 있음을 확인할 수 있다. 다만 두 기 관의 관할충돌 및 중복규제에 대한 우려가 제기될 수 있는 상황에서 두 기관간의 조화로운 규제권한 의 집행이 필요하다.
        4,300원
        390.
        2014.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 송파구의 도시녹지 네트워크 강화와 도시녹지 확충을 위한 가로녹지 개선계획 수립을 목적으로 수행하였다. 송파구 네트워크 가로를 선정하기 위해 선행연구를 바탕으로 송파구 관내 공원, 녹지축 현황을 분석하고, 가로변 녹지 현황, 보도폭 현황을 분석하였다. 분석결과 가로변에 위치한 19개 공원과 녹지축 연계가 가능한 13개 가로를 도출하였다. 가로변 녹지는 자연녹지 및 조성녹지와 연계된 가로가 56,546m이었고, 보도폭은 추가적인 띠녹지 확보 및 보식 가능한 보도폭 5m 이상의 가로가 8,600m이었다. 이를 종합하여 도시녹지 네트워크 가로로 올림픽로, 송파대로, 남부순환로, 위례성길을 선정하였다. 네트워크 가로의 가로녹지 조성 현황을 분석하여 가로녹지 조성 및 가로수 식재량 증진 방안을 도출하였다. 가로녹지 개선은 관목 위주 가로녹지의 녹지구조 다양화, 가로변 녹지를 활용한 가로녹지 보완을 제시하였다. 가로수 식재량 증진은 가로녹지 개선계획을 바탕으로 수목 보완 식재를 통해 식재량 증진이 가능한 가로를 대상으로 하였다. 송파구 네트워크 가로 중 아교목 보식(1주) 가능 구간은 전체 길이 34,206m중 63.6%이었다. 녹지 네트워크 가로별 식재량 증진계획에 따른 주수변화를 산정한 결과 4,708주의 추가식재를 통해 전체 9,518주로 증가할 것으로 예측되었다.
        4,600원
        391.
        2014.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        If information representativeness is given to an information network, users can easily see what representative information the site has, and it helps in reducing unnecessary time during information search. This paper proposes the generating representative information method which utilizes the degree of coupling of information and the weighted information value in order to solve various problems which occur in the information network. The generating representative information method measures the degree of coupling of the information by utilizing the attribute information and page information expressed on the information network and generates the representative information by calculating the weighted information value of the information network. are also presented.
        4,000원
        392.
        2014.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The thermodynamic state variables in superheated region of steam table are not wholy obtained by measurements. This means that steam table contains a little error. In this study small error was artificially added to superheated variables and modeled using neural networks. The results were compared with the analysis using quadratic spline interpolation method. By and large the relative errors of variables by neural networks were sufficiently small and similar to or less than those by quadratic spline interpolation method. It was concluded that neural networks could be one good way of modeling for superheated steam table.
        4,000원
        393.
        2014.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The diaspora mission is one of the major issues in global mission work, which has arisen as one of the tasks to be carried out by cross-cultural diaspora groups that have global networks traditionally such as Chinese speaking people, Indian and Filipinos diaspora, and also Koreans who now have finances and skills. Taking this historical opportunity, this author will try to define the concepts of the diaspora and the diaspora mission based on the sense of calling, outline the current status of Korean diaspora mission network, and present the direction of Korean diaspora mission. The missional meaning of the history of the Korean diaspora can be summarized as follows. Firstly, it is commonly held that the Korean emigration started from the middle of the 19th century, which is late compared to other nations. Secondly, the history of Korean emigrants is the history of Korean diaspora mission. Thirdly, the Korean diaspora mission spread very rapidly and widely. Fourthly, the history of Korean diaspora is the history of the overseas Korean churches. Fifthly, the history of Korean diaspora becomes more meaningful when it is reviewed in relation to the current global mission of the Korean Church. The Korean Church Mission implies two concepts, mission of the Korean Church, and mission for the Korean Church. Likewise, diaspora mission has dual meanings, mission for diaspora and mission by diaspora. Moreover, as the word ‘diaspora’ is used as a complex concept, diaspora mission could be expanded in three ways for Korean situation today: first, the mission of the Korean Church through Korean diaspora (or ‘toward’); second, the mission of the Korean Church for (or ‘through’) the immigrants in Korea; third, the mission of the Korean Church for (or ‘through’) cross-cultural diaspora in other regions other than Korea. The history of Korean diaspora is the history of the Korean diaspora mission. The Expansion of Korean diaspora expanded the overseas mission of the Korean Church. The mission movement for Korean diaspora started from North America and extended to the world. This has been a driving force of calling out Korean diaspora to mission field, and presented a new direction for global mission of the Korean Church. In the process, Korean diaspora produced various mission networks. This is a good model for the world mission, which should be promoted through union and agreement with one another. The future global mission of the Korean Church should be carried out through cooperative networks with global churches. Also, the Korean diaspora mission will be a foundation that will expand to the global mission of the Korean Church through cooperation with cross-cultural diaspora and the Global Church.
        6,400원
        394.
        2014.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구는 기존의 회귀분석과는 달리 시계열 분석과 인공신경망 모형을 이용하여 장래 해상교통량을 예측하였다. 특히, 시계열 분석을 통한 예측값을 인공신경망 모형에 추가 입력변수로 적용하여 장래 해상교통량 예측을 제고하고자 하였다. 본 연구는 인천항의 1996년부터 2013년까지 월별 관측값을 대상으로 하였다. 모형의 예측력 검증을 위해 1996년부터 2012년까지 관측값을 대상으로 구축한 모형으로부터 2013년을 예측하여 실제 관측값과의 비교로 적합한 모형을 판별하였다. 인천항의 2015년 장래 해상교통량은 매월 평균 교통량보다 5월과 11월에 각 5.9 %, 4.5 % 많았으며, 1월과 8월은 매월 평균 교통량보다 각 8.6 %, 4.7 % 적은 것으로 예측되었다. 따라서 인천항은 계절에 따른 월별 교통량의 차이를 확인할 수 있다. 본 연구는 해상교통 현장관측 조사시 계절에 따른 교통량의 특성을 반영할 수 있는 기초 자료로 활용될 수 있다.
        4,000원
        395.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        On July 30, 2012, Kakao Talk of Kakao Co., Ltd has pioneered a mobile platform SNG market for the first time in the country along with the launch of ‘Kakao Game Center’. While Kakao Talk has released a puzzle game called ‘Anipang’ at the time of launching the Kakao Game Center, it has recorded a DAU value exceeding 8 million at the most by dominating the domestic mobile game market for smart phones right after being released. However, a sudden decrease of DAU was shown starting September 4th which is not even two month after being released and the defection of DAU continues to occur. This is a condition which is different from the Facebook SNG which is a computer platform based SNG where the DAU is steadily maintained until now. This study attempts to analyze the cause of such conditions through the comparison between Facebook SNG and Kakao Talk SNG representing each of computer platform based SNG and mobile platform based SNG to present an important reference point for the game creators who are preparing for the participation of mobile platform based SNG industry in the future through this analysis.
        4,500원
        396.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Users of smrtphone based mobile social network games are rapidly increasing. However, there are few researches for smartphone based mobile social network games. In this paper, we conducted a qualitative study in order to understand the continual usage intention of mobile social network game from indepth interview. As a result, passing time, hedonic valuem social value, challenge/competition, perceived enjoyment, and social interaction were found to have positive effects on continuous usage intention of smartphone based mobile social network game. And network quality, difficulties of game, and social interaction were found to have negative effects on continuous usage intention of smartphone based mobile social network game. This study provides practical suggestions for developers of social network game to invigorate the smart-phone based social network game market, such as improved additional investment for simple game interface, easy game rule, additional interactive services.
        4,000원
        397.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In biomass gasification, efficiency of energy quantification is a difficult part without finishing the process. In this article, a radial basis function neural network (RBFN) is proposed to predict biomass efficiency before gasification. RBFN will be compared with a principal component regression (PCR) and a multilayer perceptron neural network (MLPN). Due to the high dimensionality of data, principal component transform is first used in PCR and afterwards, ordinary regression is applied to selected principal components for modeling. Multilayer perceptron neural network (MLPN) is also used without any preprocessing. For this research, 3 wood samples and 3 other feedstock are used and they are near infrared (NIR) spectrum data with high-dimensionality. Ash and char are used as response variables. The comparison results of two responses will be shown.
        4,000원
        398.
        2013.12 구독 인증기관 무료, 개인회원 유료
        Many countries have implemented genetic evaluation for fertility traits in recent years. In particular, reproductive trait is a complex trait and need to require a system-level approach for identifying candidate genes related to the trait. To find the candidate gene associated with reproductive trait, we applied a weighted gene co-expression network ana-lysis from expression value of bovine genes. We identified three co-expressed modules associated with reproductive trait from bovine microarray data. Hub genes (ZP4, FHL2 and EGR4) were determined in each module; they were topologically centered with statistically significant value in the gene co-expression network. We were able to find the highly co-expressed gene pairs with a correlation coefficient. Finally, the crucial functions of co-expressed modules were reported from functional enrichment analysis. We suggest that the network-based approach in livestock may an important method for analyzing the complex effects of candidate genes associated with economic traits like repro-duction.
        4,000원
        399.
        2013.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구의 목적은 2009 개정 과학 교육과정의 지구과학 I 목표와 교과서의 학습 목표와의 일치성을 알아보기 위한 것이다. 이를 위하여 교육과정의 목표와 교과서의 학습 목표를 능력, 공통 개념, 행위 동사로 구분하였으며, 이 자료를 언어네트워크분석을 이용하여 분석하였다. 분석 결과 능력 요소와 관련하여 교과서는 인지적, 정의적 영역을 주로 강조하였다면 교육과정은 이외에도 탐구능력을 함께 강조하였다. 공통 개념은 교과서가 교육과정보다 더 다양한 요소가 사용되었다. 행위 동사 요소는 '이해'를 가장 많이 사용하였으나 대부분 인지 체제 수준으로 제시한 것에 그치고 있다.
        4,900원
        400.
        2013.11 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The study focuses developing an effective mission strategy in a Social Network Service culture to reach the net generation in Korea. It asks these important questions: “What are the barrier for the Korean churches in evangelism to the net generation?” “How can Korean churches change their SNS culture in mission for the unchurched net generation?” In order to answer these questions, data was collected through questionnaires and interviews with members of the net generation in Korea. Both the characteristics of the net generation, and those of the emerging SNS culture in Korea, were analyzed.The effective strategies of Korea church mission was an important issues in this study of how best to reach for Christ the net generation in SNS culture. I think that experience of mission in the Korean context led N-generation to the strategy that the Korean churches need a mission approach using SNS culture. This evangelism is a challenge for Korean churches seeking to reach the net generation. Korean churches need to be develop the mission strategies using SNS appropriate for the Internet culture of the net generation. Such SNS must be part of an effective mission toward the net generation who embrace a SNS culture.
        7,800원