• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.16 no.4
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• pp.195-209
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• 2021

According to the 2019-2020 social media usage survey conducted by the Seoul e-commerce center, 5 out of 10 consumers have experienced shopping through social media. The cost of traditional advertising media has been reduced and advertising spending on social media has risen by 74%, indicating that social media is becoming a more important marketing element. While the number of users of social media has increased and corporate marketing activities have increased accordingly, research has been conducted in various aspects of marketing such as user motivation for social media, satisfaction, and purchase intention. There was no subdivided study on the differences in the social media usage frequency of consumers in actual purchasing behavior. This study attempted to identify differences in consumer characteristics by cluster in the agrifood purchase situation by grouping them by type according to the frequency of use of social media for consumers who purchase agri-food online. Product involvement, product need, and online purchase channel Consumer characteristics such as demographic distribution, perceived risk, and eating and lifestyle in each cluster were checked for the three agrifood purchase situations including choice, and types for each cluster were presented. To this end, questionnaire data on the frequency of social media use and online agrifood purchase behavior were collected from 245 consumers, and the validity of the measurement variables was secured through factor analysis and reliability analysis. As a result of cluster analysis according to the frequency of social media use, it was divided into three clusters. The first cluster was a group that mainly used open social media, and the second cluster was a group that used both open and closed social media and online shopping malls; The third cluster was a group with low online media usage overall, and the characteristics of each cluster appeared. Through regression analysis, the effect on product involvement, product need, and purchase channel selection when purchasing agri-food online through each of the three clusters was confirmed through regression analysis. As a result of the regression analysis, the characteristic of cluster 1 in the situation of purchasing agri-food online is a male in his 30s living in a rural area who has no reluctance to purchase agri-food on social media or online shopping malls. The characteristics of cluster 2 are mainly consumers who are interested in purchasing health food, and the consumer characteristics are represented. In the case of cluster 3, when purchasing products online, they purchase after considering quality and price a lot, and the consumer characteristics are represented as people who are more confident in purchasing offline than online. Through this study, it is judged that by identifying the differences in consumer characteristics that appear in the agri-food purchase situation according to the frequency of social media use, it can be helpful in strategic judgments in marketing practice on social media customer targeting and customer segmentation.

• Journal of the Korean Society of Clothing and Textiles
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• v.33 no.6
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• pp.949-957
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• 2009

The fashion apparel industries have demanded to be extremely consumer-oriented. Therefore, the need of personalization arises. The purpose of this study is to investigate the relationship between apparel shopping orientation and various personalization strategies provided in the apparel shopping process. A total of 422 questionnaires were used for statistical analysis. Canonical correlation and ANOVA were conducted. Results indicated that higher level of demand for "sale-promotion personalization" and "personalized customer relationship" were significantly related to high level of fashion innovativeness and price consciousness. Consumers who seek for high level of "personalized advice" and "personalized fit" were likely to be price conscious and conforming to clothing but not innovative in terms of fashion and clothing. Shopping orientation group differences were also reported in the study. In personalizing of apparel products, distinctive but relevant strategies should be implemented according to the need of the consumers.

• Journal of the Korean Data and Information Science Society
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• v.20 no.4
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• pp.695-703
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• 2009

Currently, various cellular phone products with multiple functions and diverse designs are coming out in the cellular phone market. Companies have been developing their products for profit maximization, considering preferences of customers. In this article, we have created 18 profiles using the SPSS program and executed a survey to analyze preferences of college students. Also, we have grasped the relative importance of each attribute using conjoint analysis and executed clustering analysis to make market segmentation by binding the respondents who have similar partial value utilities. Lastly, by choice simulation, we have predicted market shares of 18 virtual products.

• The Journal of the Korea institute of electronic communication sciences
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• v.10 no.1
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• pp.139-148
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• 2015

In this paper, a new algorithm is proposed for detecting the product number of each thick plate and extracting each character of the product number from a image which contains several thick plates. In general, a image of thick plates contains several steal plates. To obtain the product number from the image, we first need to separate each plate. To do so, we use the line edges of thick plates and a clustering algorithm. After separating each plate, background parts are eliminated from the image of each plate. Background parts of an individual thick plate image consist of the dark part of steel and the white part of paint which is used for printing the product number. We propose a two-tiered method where dark background parts are first eliminated and then white parts are eliminated. Finally, each character is extracted from the product number image using the characteristics of product number. The results of the experiments on the various steal plates images emphasize that the proposed algorithm detects each thick plate and extracts the product number from a image effectively.

• Proceedings of the Korea Information Processing Society Conference
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• 2021.11a
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• pp.1105-1108
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• 2021

국내외 IOT 시장의 성장률은 꾸준히 증가할 것으로 예측된다. 특히 스마트 가전 시장 분야의 경우 다른 스마트 홈 분야보다 규모뿐만 아니라 성장률 역시 높은 편에 속한다. 한편 코로나 시대 도래로 인하여 개인의 가정에 머무르는 시간은 많아졌으며 개인의 살균에 대한 관심 역시 높아지게 되었다. 본 논문은 인공지능 자동 살균기를 설계하여 하나의 스마트 가전제품 서비스를 설계하는 솔루션을 제공하고자 한다. 인공지능 이미지 인식 기술을 통해 사용자 활동 패턴을 파악하고 이를 기반으로 살균 시간 도출 및 살균 시간 추천 알고리즘을 통해 사용자 맞춤형 살균 서비스를 제공하며 사용자의 활동 패턴에 맞춤화된 적절한 살균 강도를 결정할 수 있도록 군집화를 통해 살균 강도 결정 서비스도 제공한다.

• Proceedings of the Korea Multimedia Society Conference
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• 2001.11a
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• pp.336-341
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• 2001

무선인터넷 환경하에서 기업의 무선상거래의 활성화를 위해서는 제품 및 서비스에 대한 홍보가 무선인터넷을 통해서 이루어져야 한다. 즉, 해당 상품에 대한 정보를 느낄만한 사람들에게 필요한 시점에 무선 광고를 전달하기 위해서는 고도로 개인화된 마케팅에 대한 연구가 필요하다. 본 논문에서는 무선인터넷이라는 매체가 가지는 특성을 기반으로 개별화마케팅을 수행하기 위해 개인정보 취득 및 처리단계에서 데이터마이닝 기법인 연관관계와 군집모델 탐사를 통하여 고객의 관심사를 분석하고, 이를 토대로 마케팅을 수행하는 시스템을 설계하였으며, 이후 프로모션 정책수립과 마케팅 수행방안들을 제안한다. 이는 기업의 모바일 환경에서의 고객관계관리(mCRM)를 위한 솔루션 개발의 기반기술이 될 것이다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2015.01a
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• pp.321-324
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• 2015

본 논문에서는 SNS에 존재하는 특정 제품과 브랜드 또는 기업에 대한 평가, 의견, 느낌, 사용 후기 등의 소비자 생각을 수집하여 기업에서 향후 신제품 개발이나 시장 진출 및 확대 등의 경영활동에 활용할 수 있도록 SNS 빅데이터를 문석하고, 이를 활용하여 보다 소집단화 되고 개인화 되어가는 Micro-Trend 중심의 마케팅 활동을 할 수 있는 Micro-Targeting 관련 분석 정보를 제공 모델링하는 것을 제안한다. 본 연구에서는 SNS 데이터의 수집, 저장, 분석에 대한 내용을 다루고 있으며, 특히 마이크로타겟팅을 위한 정보를 머하웃(Mahout)의 유클리드 거리 기반의 유사도와 K-평균 군집 알고리즘을 활용하여 구현하고자 하였다.

• Proceedings of the Korean Operations and Management Science Society Conference
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• 2002.05a
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• pp.293-300
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• 2002

반도체 공정은 웨이퍼가 투입되어 완제품이 생산되기까지 수백개의 제고공정을 수개월에 걸쳐 진행해야 하는 매우 복잡하고 긴 공정으로 구성되어 있다. 대부분의 공정들은 먼저가 철저히 통제되는 클린 룸에서 진행되지만 아주 미세한 먼지 하나도 반도체 칩의 성능과 수율 을 저하시키는 요인이 된다. 반도체 칩의 불량은 특정 생산장비에서의 이물질 발생, 생산장비의 잘 못된 파라미터 값 설정 등 다양한 요인에 의해 발생될 수 있으며 불량의 원인을 요인별로 파악하여 신속하게 대처하는 것이 수율 개선의 핵심이 된다. 이를 위해 SPC 시스템, MES 그리고 6-시그마 등의 활용을 통한 다양한 수율개선 노력이 있었으나 공정의 복잡성과 대용량의 수집 데이터로 인해 기존의 통계적 방법이나 엔지니어의 경험적 분석방법으로는 미처 파악하지 못 하는 수율 저하 요인이 상당 수 존재한다. 본 논문은 군집화/분류, 순차패턴 등의 데이터마이닝 기법과 다차원분석(OLAP)도구를 활용하여 수율저하의 원인이 되는 문제공정, 문제장비, 그리고 잘못된 파리미터 값 설정 등을 신속하고 정화하게 파악하여 수율 개선을 지원하는 방법을 소개하며, 반도체Fabrication공정을 대상으로 실제 구현된 수율개선 시스템(Y-PLUS)을 설명한다.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.47 no.10
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• pp.728-737
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• 2019

In this study, the minimized on-board computer (OBC) module for integrated navigation is developed, which provides satellites' relative position information in formation flying and cluster operation situations. The scalability is considered to apply the user-selected wireless communication module and Global Positioning System (GPS) receiver for navigation, while considering to meet the structural design standard of nano-satellites. As a result of the product development and production, the processing speed of integrated navigation and real-time data synchronization is satisfied for cluster operation nano-satellites by using micro controller unit (MCU). From a heat/vacuum, vibration and radiation test, the OBC was confirmed to be operated in space environments. From these results, a mass production system of OBC was made which is a key part of development on satellite formation flying and cluster/constellation missions that the community demands are increasing.

• Science of Emotion and Sensibility
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• v.11 no.1
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• pp.91-104
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• 2008

This study searches for an abstract aesthetic dimension that has an important response to preference by finding products excluded in past studies on aesthetics. Furthermore, the adjective image languages are examined, grouped and examined in order to also take into account the dimensions that are regarded as important for the selected product. Based on this, the preference trends will be inferred and the level of aesthetic dimensions that are import in the product will be found and presented based on its preference to create an accurate objective point. Based on the values of the levels of the aesthetic preference types and aesthetic elements found by this and presenting the preferred types in the design process, the objective of this study is to create designs with small chance of failure. In addition, it attempts to present a new direction for research of aesthetic dimensions.