Seoul University of Venture and Information
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Lee S.-Y.,Seoul University of Venture and Information | Park H.-S.,Seoul University of Venture and Information
Journal of Distribution Science | Year: 2016

Purpose - Over recent years, we have concerned about safety and quality on food products because of delivery complexity. The dependence of foreign food products escalate supply of products. And there are often negligent accident of marine and agricultural products. Therefore, the complexity increases the importance of safety on food and information quality for consumers. In spite of the interest augmentation of various interested parties, there is decrease in reliability and effectiveness, if it would be established without the right directivity. For the study, we tried to examine the first considerations - the point of view in service environment and information quality with accepting and diffusing the Traceability System. Then, we tried to verify the relationships between the factors of TS and the determinants of behavior decision. Next, we made efforts to find the mutual relationship among distributors, producers, consumers and the other prerequisite factors from the point of view in service environment and information quality in order to operate effectively the information perspective and system. Research design, data, and methodology - For the purpose of this study, the samples of consumers were targeted to Traceability System, and 661 people have been investigated. Through theoretical discussion of previous research, nine hypotheses were established, the influence of Continuous User Intention in TS. In order to test the hypotheses, a survey had conducted for 661 consumers as opinion leaders in their 20s-60s as data, and structural equation modeling was used. The difference analysis between Agricultural and Marine Products in TS; SPSS 22.0 and AMOS 22.0 were used for statistical analysis.Results - The major findings from this study were as follow; all factors of information quality excluding completeness and a social-impact had effects on the ease of use; all factors excluding understand ability in information quality and a social-impact had effects on the usefulness; completeness and social-impact had effects on perceived value; the ease of use had effects on usefulness and perceived value; usefulness had effects on perceived value and the intention of continuous use. From the results of different analysis, the CPLT(Completeness) factor has positive effects on Easy of USE and PV(Perceived Value) strongly in agricultural products. On the other hand, Social Duty has positive effects on Easy of Use strongly in marine products. Conclusion - In the age of information overflowing, TS will be a burden for users if it places too much emphasis upon accessibility. To accept and diffuse TS safely, therefore, Information System should be settled first into initial market formation. In addition, if TS elements are considered in conjunction with information factors and user environment, the acceptance and diffusion of TS would make synergy effect, even better. That is, this study contributes to the acceptance and diffusion of Traceability System. Accordingly, information quality will be settled into initial market formation. Also, social-impact element will be considered in conjunction with information quality's factors, and it will make synergy effect.

Kim H.-K.,Seoul University of Venture and Information | Park H.-S.,Seoul University of Venture and Information
Journal of Distribution Science | Year: 2016

Purpose - The aim of this study is to investigate the benefit-sharing activities. They affect contract renewal intention between franchisers and franchisees that are linked through a contract with the intention of building their relationship from the level based on dynamic trust. This study will show a new approach on qualitative growth and consolidation of competitive power and may well be able to suggest practical ways to strengthen directions in the field of franchise industries. Research design, data, and methodology - In this study, based on literature review, we separated logistical-supporting activities and non-logistical-supporting activities from benefit-sharing activities. We modeled how benefit-sharing activities influence contract renewal intention of franchisees by dynamic trust. In particular, considering the possibility of trading concepts and characteristics of trust between providers opportunistic behaviors was defined as variables, depending on the situation and dynamic characters reveal their relationship trust concept. That is, dynamic trust having the possibility of changing depending on opportunistic risks and interdependencies by Lewis & Weigert(1985, 2012) was classified into transitional-based trust, calculated based trust, relational-based trust and balance-based on trust. The total of 104 samples from domestic franchisees being with franchisees were collected by using a structural composed questionnaire. Results - The results are as following. Benefit-sharing activities in logistical supporting activities appeared to affect the multidimensional concept of transitional trust, calculated based on trust, relationship-based trust and balance based on trust dynamic trust with all-defined impact. Non-logistical supporting activities appeared to affect significantly the positive (+) to the dynamic trust concept except transitional trust. Lewis & Weigert(1985; 2012) have proposed a dynamic confidence calculated from relations within-based trust relationship based on trust appears to affect the significant positive (+) to the balance-based confidence transactions confidence mechanism of the system side in the verified relationship. Finally, a relationship based on trust and confidence in the balance based on the Influence of dynamic renewed confidence showed significantly affect the positive(+). In particular, the balance based trust showed the acts as a mediating factors between relational trust and confidence and renew calculated. Conclusion - From the above these results, the significance from this study is as following. First, the proposed activity is to share and validate the approach by identifying the potential in the relationship from the contract with building dynamic trust, and one of the ways from the franchise headquarters and affiliated merchants mutual growth through win-win cooperation in sharing activities. Next, the dynamic segmentation confidence to suggest the possibility can be broken down over the validity and reliability test for each concept. In addition, by identifying the relationship between the dynamic level of confidence granular multi-dimensional concept, to determine the level of trust with a dynamic relationship between risk and interdependencies can be possible in franchise industries. In order to maintain and develop their mutual relationship, franchise industries should propose confidence-building steps to promote their quality improvement.

Cho H.-C.,Seoul University of Venture and Information | Kang S.A.,Hoseo University | Choi S.-I.,Seoul University of Venture and Information | Cheong C.,Seoul University of Venture and Information
Journal of the Korean Society of Food Science and Nutrition | Year: 2013

The objective of this study was to investigate the quality characteristics of spirits derived from fruit using copper distillation equipment. First, optimal yeast strains were chosen through a fermentation test on raw materials (apples, mandarins and rowanberries). The normal fermentation condition for rowanberries observed at a rowanberry concentration of 8% during mashing included chaptalization with sugar to increase the alcohol content. During the mashing, fruits were fermented and distilled through one of three different types of distillation apparatuses (pot distiller, vacuum distiller, or multistage distiller made of copper). The results revealed that the type of apparatus used affects the content of alcohol and flavor components. The distilled spirits prepared through a copper multistage distiller had a much higher tendency to retain components of fruit aromas such as ethyl acetate and provided higher yields than spirits prepared with a pot distiller or vacuum distiller. Thus, the copper multistage distiller apparatus can be applied to positively influence the taste and flavor of fruit distilled spirits by enhancing fruit aromas, removing impurities such as sulfur components and enhancing yields.

Jeong J.-K.,Pusan National University | Kim Y.-W.,Pusan National University | Choi H.-S.,South Korean National Institute of Animal Science | Lee D.S.,Kyungnam University | And 2 more authors.
International Journal of Food Science and Technology | Year: 2011

Kimchi was fermented in onggi and other containers at 4°C for 4weeks. Two types of onggi were used: glazed and nonglazed onggi. Other containers such as polyethylene plastic containers, polypropylene containers for use in a kimchi refrigerator, stainless steel and glass bottles were used. During the fermentation, kimchi fermented in onggi showed relatively stable acidity change compared with those in the other containers. Also it showed higher lactic acid bacteria multiplication (108-109cfug-1 at 4th week) but slower general aerobic bacteria multiplication than the others. The springiness of kimchi fermented in onggi was more than 50% at 4th week, it is higher than the others. Its carbonic acid taste and overall acceptability were excellent in sensory evaluations. The antioxidative and cancer-cell antiproliferative activities were also greater in kimchi fermented in onggi than the others. Between the two types of onggi, nonglazed onggi showed better results in both properties and functionalities of kimchi. Onggi showed higher gas permeability than polyethylene plastic containers and glass bottles because of its porous structure, and lactic acid bacteria could have benefited from this condition. It possibly contributes to optimal ripening of kimchi resulting in better properties, especially texture and taste, and health functionalities. © 2011 The Authors. International Journal of Food Science and Technology © 2011 Institute of Food Science and Technology.

Davis B.R.,Cornell University | Wawrzynek P.A.,Fracture Analysis Consultants, Inc. | Hwang C.G.,Seoul University of Venture and Information | Ingraffea A.R.,Cornell University
Engineering Fracture Mechanics | Year: 2014

A technique was implemented for decomposing 3-D mixed-mode energy release rates using the Virtual Crack Extension (VCE) method. The technique uses a symmetric/anti-symmetric approach to decompose local crack-front displacements that are substituted into the global VCE energy release rate form. The subsequent expansion leads to the mixed-mode energy release rate expressions. As a result of the expansion, previously unaddressed modal-interaction coupling terms are found to impact the mixed-mode energy release rates. This development expands the VCE method's advantages over similar procedures when simulating arbitrary crack growth by providing the means to calculate both mixed-mode energy release rates and their variations. © 2014 Elsevier Ltd.

Lee B.,Korea Advanced Institute of Science and Technology | Cho H.,Samsung | Chae M.,Seoul University of Venture and Information | Shim S.,Seoul Womens University
Expert Systems with Applications | Year: 2010

Online auctions allow buyers to find a wider variety of items and help sellers to reach literally millions of buyers. Auctioning over the internet gives a variety of opportunities that are not offered for consumers offline. However, on the other hand, it also provides good conditions for opportunistic behaviors because of the high degree of information asymmetry. To prevent online auction fraud, preventative controls verifying the identities of auction users can be imposed. However, these measures can adversely affect the potential user-base of online markets. In this paper, we examine the ex-post detection of online fraud. Among examples of serious online fraud prevalent in auctions, we investigate the factors necessary to detect "online credit card phantom transactions," which are fake transactions for illegal loan sharking through the collusion of the seller (creditor) and buyer (debtor). In this paper, we develop a plausible detection methodology for online fraud. In addition, employing a data collection agent, we demonstrate cost-efficient ways of data collection. Auctioneers, e-business firms with fraud-related problems, and regulatory agencies can all take advantage of this methodology. Academically, we believe that our research is a new addition to the body of empirical studies on online auction fraud. © 2009 Elsevier Ltd. All rights reserved.

Lee J.-W.,Seoul University of Venture and Information | Kang S.-A.,Hoseo University | Cheong C.,Seoul University of Venture and Information
Journal of the Korean Society for Applied Biological Chemistry | Year: 2015

This study was performed to investigate the quality characteristics of distilled spirits made with different fermenting agents in copper distiller. The highest distillate yield was observed in the mashing made with fermenting agent A. The distillate made with fermenting agent A showed also significantly the highest level of ester and higher-alcohol concentration. In addition, the distilled spirit made with fermenting agent A indicated significantly higher preferences in appearance, smell, taste, quality, and overall acceptability than those of other agents. However, the aging in bottle for 6 months had no significant differences in sensory improvement in distilled spirits regardless in kind of fermenting agents. This study emphasizes the importance of rice koji as fermenting agent in distilled spirit prepared with rice and using with multistage distiller made of copper to improve aroma substances and yield ratio of distillate. © 2015, The Korean Society for Applied Biological Chemistry.

Yum H.,Monitor Group | Lee B.,KAIST | Chae M.,Seoul University of Venture and Information
Electronic Commerce Research and Applications | Year: 2012

Information asymmetry is one of the fundamental problems that online peer-to-peer (P2P) lending platforms face. This problem becomes more acute when platforms are used for microfinance, where the targeted customers are mostly economically under-privileged people. Most of the prior empirical studies have been based on data from or similar sites that compete in traditional consumer loan markets. Our study examines P2P lending in microfinance for which borrowers are unbankable so that signals on creditworthiness of new borrowers are very limited. In addition, microfinance customers have more incentive to repeatedly seek loans from the market. Under this microfinance setting, we examine how lenders change their decisions as creditworthiness inference becomes increasingly possible through the accumulation of transaction history. Our findings confirm that lenders seek the wisdom of crowds when information on creditworthiness is extremely limited but switch to their own judgment when more signals are transmitted through the market. Different information sets are utilized according to the structures of decisions. Due to the possibility of a repeated game, it is also shown that borrowers try to maintain a good reputation, and direct communication with lenders may adjust incorrect inference from hard data when their creditworthiness is questioned. © 2012 Elsevier B.V. All rights reserved.

Noh M.,SK Corporation Jong ro | Chae M.,Seoul University of Venture and Information | Lee B.,KAIST | Yoon M.,Seoul University of Venture and Information
International Journal of Software Engineering and its Applications | Year: 2016

This research focuses on the effect of brand perceptions formed through the usage of a smartphone on user satisfaction and on subsequent purchasing decisions for other smart devices of the same brand, using the theoretical background of the Expectation-Confirmation Model in IT. This study showed that the brand expectation confirmation before and after using a smartphone affected brand user experiences (perceived usefulness, perceived playfulness, and perceived aesthetics) significantly. This study is meaningful in that it has defined the perceived playfulness and perceived aesthetics in the existing ECM-IT as 'user brand experience' factors, and confirmed the relevant correlations. Also, the confirmation that smartphone usage experience can be fully transferred a user's intention to purchase other smart devices is what differentiates this study with other studies. The research results show that the user's playfulness and aesthetics perception formed through smartphone brand usage experience affects both the brand usage satisfaction and the purchase intention of portable and non-portable devices. © 2016 SERSC.

Lee I.-O.,Seoul University of Venture and Information | Chae M.,Seoul University of Venture and Information
International Journal of Control and Automation | Year: 2016

The production of cleaning robots is increasing annually in spite of customer dissatisfaction. Most previous studies on cleaning robots focused on initial acceptance. This paper examined the factors on repurchase intention of cleaning robot on the basis of the theory on post adoption behavior of new technology. The Expectation-Confirmation Model in IS was adopted in this paper as the theoretical background. The results suggested that the perceived usefulness of the cleaning robot was determined by subjective norms, product quality and confirmation between expectations before and experiences after using it. It also found that user satisfaction was determined by the perceived usefulness and the confirmation. Finally the satisfaction impacted the users' repurchase intention. All the hypothesized paths were moderated by the individual innovativeness of the users. © 2016 SERSC.

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