• Journal of Distribution Research
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• v.10 no.1
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• pp.59-84
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• 2005

Most of previous studies have proposed representative product categories which are likely to be sold on the on-line based only on the on-line benefits and risks. However, on-line shopping can be perceived another form of distribution channels from the perspectives of consumers. Therefore, in order to identify product categories which have a great potential to be sold on on-line stores, it is necessary to consider the perception and behavior at off-line shopping contexts as well as on on-line shopping circumstances. In this paper, we investigate the consumers' perception and behavior under both on-line and off-line shopping situations and classify them into several groups based on their perceptual and behavioral characteristics. Based on this classification, we empirically examine the product categories selling well on the on-line shopping. The empirical results show that there exist some patterns between distribution channels (on-line and off-line) and product categories. In addition, there are some differences among consumers regarding the perceptions and behaviors at on-line and off-line situations. Consumers who have high preference for on-line shopping tend to buy much wider product categories from on-line.

• The Journal of the Convergence on Culture Technology
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• v.6 no.1
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• pp.301-312
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• 2020

This study explores the patterns of the self-expression in terms of sharing the diverse pictures according to SNS use focused on the social relationships, and the effects of the diverse online activities on the off-line activity. The study results show that the more SNS use focused on the social relationships, the more sharing the diverse pictures in SNS as a tool of the self-expression. It also shows that the more SNS use focused on the social relationships and the more sharing the pictures with friends, the more active in off-line activity. Both of online and off-line network activities have the statistically significant positive effects on the life satisfaction, which implies that the more active in online and off-line network activities, the higher the life satisfaction.

• Journal of Global Scholars of Marketing Science
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• v.13
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• pp.71-88
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• 2004

Although the factors that affect the width of latitude of price acceptance is well documented, the attempt to develop a practice-oriented methodology to calibrate the region of price insensitivity (i.e., a latitude of price acceptance) for a given individual brand has been relatively rare. The researcher aims to try to full this gap by developing a conjoint analysis-based procedure that can be applied to many industries. Furthermore, we examine the difference in the latitude of price acceptance between on- and off-line transaction in stock industry in Korea. The conjoint analysis-based procedure was applied to measure the disaggregate price response curve for individual stock investment both on- and off line transaction channel. The curves from the samples enable us to estimate the individual choice probabilities corresponding to applied price points. Using t-test the differences in mean choice probabilities between the list price and another price point were tested, through which we can get the latitude of price acceptance for a given brand in stock market. These procedures were tested in on- and off-line stock market in South Korea. The results showed that investors on off-line channel have wider latitudes of price acceptance than the investors on on-line transaction system.

• Journal of Industrial Convergence
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• v.20 no.7
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• pp.37-50
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• 2022

This study intends to analyze the learning effect of asynchronous online classes used in education fields around the world after the COVID-19 pandemic. To this end, we compared and analyzed the lecture evaluation and final exam questions of the HTML5 web programming course, which was conducted offline in 2019 and asynchronously online in 2020 due to COVID-19. As a result of the analysis, no significant difference was drawn between the two teaching methods in the lecture evaluation score and final exam score. However, contrary to concerns about the application of online classes to the entire curriculum, the lecture evaluation and final exam scores of the video-based online classes were high, suggesting the possibility that online classes could be more effective than offline classes if well organized and managed in the future.

• Journal of Digital Contents Society
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• v.19 no.7
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• pp.1413-1422
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• 2018

As the online food market is becoming major channel and fragmented, online premium food market is also emerging and growing. The purpose of this study is to clarify the experience factors of consumers in online premium food market and define the differences with offline. It is suggested that the online premium food market should be differentiated in terms of providing contents and services by revealing the differences in experience of cognitive, aesthetic and emotional experience with offline premium food market. In addition, the channel that consumers use in the online premium food market has a combination of online and offline experiences, so it is necessary to provide a consistent experience to the consumers. The consumer experience derived from this study is intended to be used as a basic data for providing content and services from the consumer perspective in the service design of online premium food market.

• Proceedings of the Korean Society of Computer Information Conference
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• 2021.07a
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• pp.79-80
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• 2021

인터넷은 우리 경제를 디지털 경제로 변화시키며 전자상거래도 증가하고 있다. 따라서 구매자가 전자상거래에서 남기는 긍정적인, 부정적인 상품평은 상품기획의 주요 정보가 될 수 있다. 본 논문에서는 버티컬 무소음 마우스 10,000개에 대한 정형화된 데이터셋을 Word2Vec을 이용하여 유사도 분석, 온라인 상품평 빈도분석 상위 50개 단어를 제시하여 실제 상품을 사용한 후 설문조사 시행을 하였다. 온라인 상품평 유사도 분석결과 클릭 키워드에 대한 장점으로 통증(.986), 디자인(.982)가 분석되었으며 단점은 적응(.866), 불편(.854)이었다. 오프라인 상품평에서는 장점으로 디자인(17명), 단점으로 불편(11명)이었다. 또한 온라인과 오프라인의 상품평을 비교함으로써 구매자의 긍정, 부정의 의미를 교차 확인하여 유의미한 정보를 제시 하였다고 볼수 있다. 따라서 본 연구에서 제시하는 상품기획 프로세스를 신상품 개발 및 기존 상품의 개선 전략으로 적용할 수 있겠다.

• Proceedings of the KIEE Conference
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• 2015.07a
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• pp.235-236
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• 2015

전력계통의 오프라인 해석에 가장 보편적으로 사용되는 시뮬레이션 프로그램으로는 PSS/E와 DSATools가 있다. 두 개의 프로그램 모두 PSS/E Raw Data Format을 조류계산을 위한 기본 입력 Data로서 사용하고 있다. Raw Data는 모선 번호를 이용하여 계통의 토폴로지를 구성하고, 전력계통 해석을 수행한다. 오프라인 해석에서는 모선 번호를 이용한 해석이 가능하다. 하지만, 모선 개수가 변하는 실시간 환경에서는 모선 번호 기반의 해석이 어렵다. 본 논문에서는 실시간 환경에서 온라인 DSATools를 이용한 해석이 가능 하도록 설비명이라는 개념을 도입한다. 이 설비명 기반의 온라인 DSATools를 실시간 EMS와 연계를 위한 시스템 구성 및 데이터 종류에 대하여 알아보도록 한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2014.11a
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• pp.579-582
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• 2014

최근 어렵고 복잡한 게임보다는 쉽고 친근한 게임들이 많은 주목을 받고 있다. 기존의 복잡하고 화려한 게임보다는 출퇴근 시간에 여유 시간을 활용할 수 있도록 쉽고, 간편한 게임을 사용자들이 원하기 때문이다. 본 논문에서는 기존의 오프라인 보드게임을 C++ 환경에서 온라인 보드게임으로 개발하여 일반 사용자들이 쉽고 친근하게 즐길 수 있도록 하였다. 이러한 구현 개발을 통하여 오프라인 보드게임에서 경험할 수 없는 요소를 추가한 온라인 보드게임의 장점 및 활용성을 보여줄 수 있다.

• Proceedings of the Korea Information Processing Society Conference
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• 2008.11a
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• pp.820-823
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• 2008

본 논문은 기존의 XIP 기법에서 발생할 수 있는 메모리 접근 성능저하를 해결하기 위한 동적 XIP 기법을 제안하였다. 동적 XIP 기법은 상대적으로 성능저하가 적을 것으로 예상되는 코드 페이지들을 동적으로 선택하여 XIP 영역으로 설정하고, 성능저하가 크게 나타날 것으로 예상되는 코드 페이지들을 램 캐시에 캐싱하여 성능을 향상시킨다. 본 논문은 램 캐시를 관리하기 위해 MIN 캐시 알고리즘 및 메모리 접근 비용을 고려한 오프라인 캐시 알고리즘과, 페이지 접근에 대한 최신성(Recency) 및 슬라이딩 윈도우에 저장된 페이지 접근 기록에 기반하여 메모리 접근 비용을 예측하는 온라인 캐시 알고리즘, 온라인 캐시 알고리즘의 램 캐싱 판단의 정확성을 높이는 기법을 제안하였다. 본 논문은 온·오프라인 알고리즘의 성능비교를 위해 시뮬레이터를 통해 성능을 평가하였고, 유용성을 시험하기 위해 온라인 알고리즘을 리눅스를 기반으로 구현하여 성능을 평가하였다. 본 논문에서 제안한 동적 XIP는 실제 구현한 환경에서 실험한 결과, 작은 크기의 캐시를 사용하고도 수행시간에서는 최대 27%, 에너지 소모량에서는 최대 24%의 성능이 향상됨을 보였다.

• Journal of Digital Contents Society
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• v.15 no.2
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• pp.155-165
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• 2014

This study deals with the proposals and the verification of the causal relationship between improvements of corporate manager's learning attitude for enterprises productivity and managerial effectiveness, the learner's familiarity and personal character strengths that are classified as positive psychology-based theory. For this study, researchers designed the structural equation model using the AMOS analysis. And researchers conducted the interviews using a questionnaire survey of quantitative research methods. Results of the analysis are as below. First, both online and offline classes were identified as the learner's character strengths affect the positive effect to the learner's familiarity strengths. Second, the learner's familiarity affects the positive effect to improvements of learning attitude. And the last, the learner's character strengths and improvements of learning attitude are not significant effect each other, therefore researcher could be found that the role of mediating variables of the learner's familiarity strengths. In this study, researchers analyzed the relationship between familiarity strengths and improving the learning attitudes needed for a desirable curriculum development considering the learners' personality factors. These findings contribute to an ideal course of study when educator design a curriculum and contribute to a successful communication strategy.