• Journal of Korean Home Economics Education Association
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• v.32 no.4
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• pp.149-170
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• 2020

The purpose of this study was to develop and evaluate a Smart learning-based middle school home economics education plan to improve the online home economics education classes. The educational plan in this study was completed through the process of analysis, design, development, and evaluation. The results of this study are as follows. First, as a result of analyzing consumer life units in the middle school textbooks based on 2015-revised curriculum, Smart learning activities were presented in only two out of the 12 textbooks analyxed. Second, a Smart learning-based middle school home economics education plan was developed in this study with the following characteristics: the topics and contents are structured so that to help learners actively engage in the teaching and learning activities; the education plan to reflects various media and current issues that learners may be interested in; the lesson plans were structured with the premise of online classes; softwares that enable real-time discussion and collaboration are used; and the evaluation method are composed of online activities. Third, the expert evaluation scores for the educational plan and activity materials developed were 4.52 (5-point Likert scale), when averaged across subject, goal, content, teaching/learning activity, and evaluation, and the overall content validity index(CVI) was 0.95. The adequacy of execution, benefit, attractiveness, usefulness, and feasibility were highly with an average of 4.62. Based on the experts' comments, the education plan and activity materials were revised and completed. This study is meaningful in that it developed teaching and learning activities based on online classes after the COVID-19 outbreak, overcoming the limitations of offline classes. It has implications for face-to-face home economics classes due to COVID-19, as it suggests ways to blend online and offline teaching/learning activities depending on the situation.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2007.11a
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• pp.367-378
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• 2007

기업이나 단체는 고객과의 관계형성 강화와 충성도를 높이기 위해 온라인 커뮤니티를 조직 차원에서 활성화하고 있고, 개인들은 사회 연결망(social network) 강화를 위해 개인의 관심사${\cdot}$가치${\cdot}$흥미${\cdot}$문화 등에 따라 특정 온라인 커뮤니티 사이트를 통해서 다양한 정보 획득과 구성들 간의 관계를 형성해 가고 있다. 이러한 추세에 힘입어 온라인 커뮤니티 사용자들은 상호작용성을 높이기 위해 아바타를 커뮤니케이션의 전달매체로 활용하는 경향이 있다. 본 연구는 아바타가 웹사이트 간 신뢰전이에 어떻게 영향을 미치고, 아바타 유무와 아바타 유형에 따라 신뢰전이가 어떤 차이가 나는지를 실증분석을 통해 검증하였다. 첫째, SERI와 SERI 포럼 사이트간에 신뢰전이가 부분적으로 발생하고 있으며, SERI 포럼 내에서는 변수들간의 모든 가설이 모두 유의하게 검증되었다. 둘째, 아바타 유형에 따라 SERI와 SERI 포럼 사이트간에 신뢰전이가 발생하는데 차이가 나타났다. 셋째, 모(母) 사이트의 신뢰는 자(子) 사이트의 품질요인과 포럼활동 만족도에 직${\cdot}$간접적으로 일부분 영향을 미쳤다. 다만, 중개자 신뢰는 시스템신뢰에는 유의한 영향을 주지 못하며, 피드백 메커니즘은 정보 품질과 시스템품질에 유희한 영향을 주지 못한다.

• Journal of the Korean Society for information Management
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• v.24 no.1 s.63
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• pp.227-250
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• 2007

With the advent of social networking activity on the Internet, online community sites are becoming more popular. The main purpose of this study is to empirically investigate the influence of intermediary trust and system trust on the forum activity trust and information quality satisfaction. We assume that the intermediary trust and system trust come from the online community site itself, while the forum activity is made within a specific forum allowed on the online community site, and therefore forum activity trust and information quality satisfaction are related to a specific forum. The 591 valid questionnaire data were gathered from the users acting in forums allowed on the Samsung Economic Research Institute (SERI) (www. seri.org). The empirical results are as follows. First, the SERI intermediary trust and its system trust have positive influence on the SERI forum information quality, system quality, and perceived effectiveness. Second, the SERI intermediary trust contributes to reducing the SERI forum perceived risks, while the SERI system quality does not. Third, the higher the SERI intermediary trust is, the higher the SERI forum trust and information quality satisfaction increase.

• Proceedings of the Korea Information Processing Society Conference
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• 2019.10a
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• pp.781-784
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• 2019

최근 AI를 산업 서비스에 적용하기 위해 많은 회사들이 활발히 연구를 하고 있다. 아마존과 넷플릭스 같은 거대 기업들은 이미 빅데이터와 AI 머신러닝을 이용한 추천 시스템을 구현하였고 아마존은 매출의 35%가 추천에 의해 발생하고 넷플릭스 75%의 사용자가 추천을 통해 영화를 선택한다고 보고되었다. 이러한 두 기업의 높은 추천 효율성의 이유는 협업 필터링(Collaborative filtering)과 같은 다양한 추천 알고리즘과 방대한 상품 및 고객 행동(구매, 시청 등) 데이터 등이 존재하고 있기 때문이다. 기계학습에서 알고리즘 학습을 위한 데이터의 양이 많지 않을 경우 알고리즘의 성능을 보장할 수 없다는 것이 일반적인 의견이다. 방대한 데이터를 가진 기업에서 추천 알고리즘을 적극적으로 활용 및 연구하고 있는 것도 이러한 이유 때문이다. 반면, 오프라인 및 여행사 기반에서 온라인 기반으로 영역을 차츰 확대하고 있는 항공 서비스 고객 데이터의 경우, 산업의 특성상 많은 회원에 비해 고객 1명당 온라인에서 활동하는 이력이 많지 않은 것이 특징이다. 이는, 추천 알고리즘을 통한 서비스 제공에서 큰 제약사항으로 작용한다. 본 연구에서는, 이러한 희박한 고객 활동 데이터에서 최신성 기반의 추천 시스템을 통하여 제약사항을 극복하고 추천 효율을 높이는 방법을 제안한다. 고객의 최근 접속 이력 로그를 시간 기준으로 데이터 셋을 분할하여 추천 알고리즘에 반영하였을 때, 추천된 노선에 대한 고객의 반응을 추천 성능 지표인 CTR(Click-Through Rate)로 측정하여 성능을 확인해 보았다.

• Journal of the Korea Society of Computer and Information
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• v.13 no.3
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• pp.225-236
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• 2008

This study is to evaluate the influence of relationship marketing and identify empirically the important factors which affect relationship continuity between multimodal transport operators and shippers. The empirical findings of this research are, MTO's marketing activity factors which consist of customers' contact intensity, relationship-oriented factors, positively affects relationship continuity such as revisit intention and word-of-mouth communication. As a result, relationship marketing activities are essential to the market strategy of MTO for continuous and stable growth. Also, on condition of transactional types, On-line transaction has an effect of customer switching, but there is no different effect in case of service type. Accordingly, international MTO in domestic need to develop various relationship marketing programs such as a special program for enhancing the continuity, an event for long-term customers and training program should be implemented and enforced to elevate qualify of the service encounter.

• The Journal of the Korea Contents Association
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• v.10 no.12
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• pp.366-377
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• 2010

As internet and mobile technology brings rapid transformation to this society of information, how relations are conducted between customers have become a critical factor influencing companies. Companies are creating Internet communities based on their brands, encouraging customers to actively form and develop brand communities. Thus, this report proposes a plan to analyze the effectiveness of community activities based on the customers active involvement and how to effectively manage and utilize it. The purpose of this research is to understand the effects on-line brand communities and their characters have on customer behavior. Also, it will study the effects community attitudes have on brand decisions and oral transmission communication when on-line brand communities choose a brand. This report was conducted to survey on-line university students to understand how communities' attitude affects the decision of on-line university brand and oral transmissions when students choose to study at a on-line university. According to research, those factors brought positive responses to character of the brand communities(confidentiality of information, interactivity, convenience, intimacy) and by doing so, on the customer's attitude side, positive results on intention of purchase and oral transmissions can be expected. In addition, the character of the brand communities affects intention of purchase and oral transmission communication. Based on this research, it is possible to propose a marketing strategy that revitalizes brand communities' activities.

• The Journal of Korean Association of Computer Education
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• v.19 no.3
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• pp.55-66
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• 2016

This study explored the rating tendency of online university learners in their course evaluations and its effects on the course evaluation results. Data including the subjects' demographic information, learning activities, rating tendency, and course evaluation results were collected from 1,098 learners in an online university in the spring semester of 2015. There were three main findings. First, the subjects showed distinctive rating tendencies in participation rates for course evaluation and rating consistency. The participation rates went from one extreme (0%) to the other (100%), and the rating consistency among the test items was highly related to that among the courses as a whole. Second, the subjects showed different tendencies in terms of course evaluation period, rating consistency, and course evaluation results according to demographic information and learning activities. Third, course evaluation results were independently affected by demographic information, learning activities, and rating consistency. The study was meaningful in that it explored learners' rating tendencies concretely and suggested that such tendencies should be considered in analyzing course evaluation results.

• 정보보호뉴스
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• s.131
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• pp.21-23
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• 2008

기업의 사회공헌에 대한 사회 구성원들의 요구가 있다. 기업의 규모가 크면 클수록 사회 공공의 이익을 위한 더 많은 공익적 활동이 있게 마련이고, 실제로 적지 않은 기업이 봉사 활동이나 기부 등을 통해 사회공헌을 실천하고 있다. 당위성이 우선 시 되는 정보보호도 마찬가지. 지난 몇 년간 대형 웹 서비스 기업을 중심으로 정보보호에 대한 사회적 책임을 강조하는 목소리가 커지고 있다. 온라인 게임 서비스를 제공하는 넥슨도 이런 사회적 책임을 요구받는 기업 중 하나다.

• Journal of Digital Convergence
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• v.16 no.3
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• pp.261-273
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• 2018

The purpose of this study is to find out how the online brand community characteristics affect customer behavior according to self-construal level and gender difference. The characteristics of online community are divided into interaction, objectivity, information provision, and activity reward. First, interactivity and activity compensation among the characteristics of online community have a positive effect on brand community commitment. On the other hand, the effect of purpose and information provision is insufficient. Second, the greater the commitment to the brand community, the higher the WOM effect is. Finally, this study shows that customers with dependent self-construal tendencies have more brand community support than customers with independent self-construal tendencies, and females show more brand community support than males. This study suggests an efficient marketing approach to companies through a brand community commitment by understanding the intrinsic motivation of consumers' self-construal level.

• Proceedings of the Korea Information Processing Society Conference
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• 2016.10a
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• pp.587-590
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• 2016

최근 통신 기술의 발달로 온라인을 통한 대규모 콘텐츠의 유통이 가능해졌으나, 사용자들은 수많은 콘텐츠 사이에서 원하는 정보를 찾는 시간이 단축되는 것을 원했다. 이로 인해 다양한 분야에서 개인화된 콘텐츠를 추천해주는 추천 시스템(recommendation system)에 대한 요구가 점차 높아졌다. 그럼에도 불구하고 시니어를 위한 추천 시스템에 대한 연구는 매우 부족하다. 또한, 시니어 세대의 변화에 따라 시니어 관련 콘텐츠 연구도 다양하게 진행되고 있으나, 스마트 기기 및 서비스가 젊은 층에 친화적으로 개발됨으로써 시니어 층의 접근성을 감소시키고 있다. 이에 본 연구에서는 다양한 신체적 변화를 겪는 시니어 세대 위해 추천 시스템에서 인지반응 데이터를 이용하여 콘텐츠를 시청하기 적합한 환경을 제공함과 동시에 활동 이력을 중심으로 개인화 추천 시스템을 설계하여 시니어 사용자들의 개념 변화(concept drift) 문제로 사용자가 원하지 않는 콘텐츠를 추천받을 가능성을 줄일 수 있도록 한다.