• The Journal of Information Systems
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• v.17 no.4
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• pp.207-232
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• 2008

As electronic commerce is growing to be a part of everyday business life for companies, enterprises are required to establish the appropriate strategy to effectively realize their business visions. The correct choice of strategy enables organizations to make efficient use of internal resources and adjust to the external environment, affecting their performance. The nature of the firms' strategy has been currently focused on the new business model such as e-commerce. In the beginning of e-commerce, the decreasing cost of business transactions was a major benefit affecting its success. However, e-commerce firms are currently facing new advanced information technology, various business models and serious competition. To deal with these new challenges, there is an increasing demand for right strategy direction to effectively and efficiently manage a corporation's internal resources and external environments that are related to electronic commerce. Moreover, it is necessary both to set up the feasible strategy direction and to evaluate its outcome. The purpose of this study attempts to provide appropriate e-commerce strategy, which is well matched with e-commerce performance, as the different strategies affect different results of e-commerce. On the basis of the results of this research, we can see that the strategies selected by e-commerce companies differ according to the e-commerce type and firm's size.

• Journal of Korea Society of Digital Industry and Information Management
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• v.8 no.2
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• pp.189-198
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• 2012

The demand of smart phone that recently came into spotlight as a new media is sharply increasing not only in Korean market but also in worldwide market but the academic study on this is still in the beginning stage. Hence, it would be a well-timed topic for discussion to make a systematic investigation and analysis. The technology acceptance model used in this study as a theoretical frame can set various external factors in introduction of new information technology as variables. This study made an assumption that such external factors would influence on perceived usefulness, easiness and amusement and such perceived awareness would make an impact on user's satisfaction and repurchase intention. This study proposed an empirical model in order to find out the recommendations and repurchase intention for new media, smart phone. This study model was validated to be very effective model that can explain more concretely and systematically for repurchase of smart phone. In conclusion, this paper illustrates a paradigm shift in smart environment to smart device manufacturers under fierce competition in the world market as well as various analysis results on consumer's use patterns according to such paradigm shift, which shall be utilized as useful information when establishing a marketing strategy for smart phone.

• Journal of the Speleological Society of Korea
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• no.61
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• pp.5-16
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• 2000

Recently many environmental researcher are concerned about the ecological environment and the issue of environmental pollution in cave. In this paper we discuss about air pollution, water pollution, state of water quality, ecological environment and situation of environmental public damage in cave The concerning of air pollution in cave is mainly to the type of secondary contamination, which much is developed in various fields recently. The natural water in the most of cave is no problems but ground water has slitting with natural water during much raining period. The state of water quality is gradually contaminated with artificial environmental pollution, that is, the contents of kinds of Aluminum, Nickel, Copper, Zinc and Calcium are higher than before. On the other hand it is very important things to keep the control of constant temperature, darkness and humidity in cave. The contamination by lamp flora and even black colored contamination are appeared nowadays. The ecological environment in cave destructed by growing of mi coorganism. In fact the internal of cave is shielded with the state of climate of cave external but the environment of internal cave is contaminated, because blowing from external climate state. In addition to environmental pollution caused by carbon dioxide and body temperature of tourists. By the way eco-examination of cave is black color public damage, green color one and white color one has been discovered, so we need to have the situation of demand of environmental reservation alternatives.

• Journal of Digital Convergence
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• v.7 no.4
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• pp.127-140
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• 2009

This dissertation aims to empirically analyze the factors that determine the market competitiveness that would enable SaaS enterprises to survive. The contents of this dissertation includes; (l)analysis of factors that determine market competitiveness of domestic SaaS enterprises, (2)structural analysis of factors that determine the market competitiveness of SaaS enterprises on the their performance. Results of analysis of this dissertation are as follows. First, the factors that determine market competitiveness of SaaS enterprises were found to include (l)enterprise management competence, (2)competence for technological possession, (3)reliability and safety, (4)customer management competence, and (S)competence to cope with external environment of the enterprise. Second, the outcome of structural analysis of factors that determine the market competitiveness of SaaS enterprises on the their performance illustrated that (l)enterprise management competence and (2)competence for technological possession has structural relationship of imparting influence on the (6)enterprise performance by the full medium of (3)reliability and safety, (4)customer management competence, and (5)competence to cope with external environment of enterprise.

• Journal of the Korean Society of Industry Convergence
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• v.25 no.3
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• pp.333-340
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• 2022

Recently, the use of large-capacity secondary batteries for electric vehicles is rapidly increasing, and accordingly, the demand for technologies and equipment for battery reliability evaluation is increasing significantly. The existing short circuit test equipment for evaluating the stability of the existing secondary battery consists of relays, MCs, and switches, so when a large current is energized during a short circuit, contact fusion failures occur frequently, resulting in high equipment maintenance and repair costs. There was a disadvantage that repeated testing was impossible. In this paper, we developed an electronic short circuit test device that realizes stable switching operation when a large-capacity power semiconductor switch is energized with a large current, and applied smart ICT technology to this electronic short circuit stability test system to achieve high speed and high precision through communication with the master. It is expected that the inspection history management system based on data measurement, database format and user interface will be utilized as essential inspection process equipment.

• The Journal of Industrial Distribution & Business
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• v.14 no.5
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• pp.31-39
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• 2023

Purpose: As SARS-CoV-2, which was the main cause of the global pandemic, has repeatedly mutated in various forms, the threat of the virus has decreased considerably, and the spread has also subsided. Therefore, the purpose of this study was to explore the change in the role of masks and sustainable mask consumption according to the change in perception of wearing masks during the pandemic. Research design, data and methodology: This study used a descriptive review method as a literature review, and utilized the literature search method in PubMed, Riss, Scopus, and Google Scholar databases. Among them, a total of 46 papers were selected in the final stage. Results: As a result, it can be seen that during the pandemic, masks changed their roles according to social trends as their perceptions changed from general perceptions of protecting from external environments or diseases to fashion items with quarantine functions. Conclusions: Masks will be continuously consumed as one of the fashion items with the function of quarantine that protects the respiratory tract from the external environment that is indispensable in our daily lives. Therefore, measures should be taken on sustainable consumption measures according to consumer demand for disposable masks.

• Journal of Ocean Engineering and Technology
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• v.29 no.1
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• pp.100-110
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• 2015

To meet the increasing demand for energy around the world, offshore and subsea energy development is constantly being conducted. This trend is accompanied by an increasing demand for pipeline installation, which brings numerous problems, including those related to accessibility, high pressure, and corrosion. Among these, corrosion is a primary factor in pipeline fractures, and can cause severe environmental and industrial damage. Hence, accurate corrosion assessment for corroded pipelines is very important. For this reason, the present study investigated the mechanical behavior of an idealized corroded subsea pipeline with an internal/external pressure load using the commercial FEA code ABAQUS. Then, the analysis result was compared with corrosion assessment codes such as ASME B31G, DNV RP F101, ABS. Finally, a fitness-for-service assessment was conducted.

• The Journal of Information Systems
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• v.6 no.2
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• pp.85-105
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• 1997

The objective of this research is to construct and build a software platform to enable collaboration among enterprise headquarters, product designers, software engineers, manufacturing plants, and suppliers which are locate at different remote locations via internet. In specific, agent technology is adopted as a software vehicle to automate demand and supply process in the internet environment. Agents are programs that act on behalf of their human users to perform laborious tasks such as information locating, accessing, filtering, integrating, adapting and resolving inconsistencies. Global competion is forcing the present day industry to produce high quality product more fast and inexpensively. In Korea, most labor-intensive industries have moved to China and other Asian countries for cost reduction. The need for fast information exchange has increased among the remote locations for the cooperation and coordination. In this research, a virtual global purchasing and ordering system will be constructured that distributes production schedule among remote places, acts as a bridge between the headquarters and manufacturing plants, distributes tasks and collates different solutions between demand and supply using agent. The external communication protocol takes HTML format, internal message handling requires SGML for document exchange, and KQML for agent implementation. The expected benefits will be : reduced cost of real-time information exchange, realization of global manufacturing environment, the maximum utilization of internet for the enterprise data exchange.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.16 no.3
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• pp.138-145
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• 2017

With the increasing use of smart electronic devices, the size of the related I/O interface market is increasing rapidly. Demand is also growing for the continuous increase of data and video signals-such as faster data processing speed and data storage capacity-in the smart electronic device input/output interface market. Currently, the POF hybrid cable used in the smart electronic device input / output interface market cannot transmit over a long distance because the optical loss is too large, and the GOF hybrid cable is both vulnerable to bending and other sudden outside changes, and expensive. Therefore, in this study, the design and fabrication of a GOF hybrid cable and fiber guide were carried out in order to develop a cable which can easily withstand external impact, has low optical losses, and meets the demand for continuous data and video signal increase in the smart electronic device input / output interface market.

• The Journal of Fisheries Business Administration
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• v.49 no.1
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• pp.1-15
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• 2018

The main purpose of this study is to explore a way of fisheries cooperation through the ODA demand survey in the fisheries sector on 8 ASEAN countries. In detail, we identified the status of detailed cooperation in the fisheries sector with ASEAN countries and identified new cooperation network construction projects in accordance with the changes in external cooperation environment, and presented strategies and policy directions for fisheries cooperation projects. For this purpose, we surveyed the questionnaires of 8 ASEAN countries using structured questionnaires for local fisheries experts. As a result of the questionnaire analysis, eight ASEAN countries were classified into three groups according to DAC beneficiary standards and suggested implications. Based on the results of the survey, the basic direction of the fisheries cooperation projects in each of the eight countries surveyed was set up, and the preferred projects for fisheries cooperation projects were proposed by dividing them into groups. In addition, the research results were used to systematically establish national promotion plans.