• Journal of Korean Society of Transportation
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• v.21 no.3
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• pp.97-106
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• 2003

When a route choice is done under uncertainty, a driver has some expectation of traffic conditions that will occur according to the route chosen. This study tries to build a framework in which we can observe the learning behavior of the drivers' expectations of the travel time under nonstationary environment. In order to investigate how drivers have their subjective expectations on traffic conditions in response to public information, a numerical experiment is carried out. We found that rational expectations(RE) formation about the route travel time can be expressed by the adaptive expectation model when the travel time changes in accordance with the nonstationary process which consists of permanent shock and transient shock. Also, we found that the adaptive parameter of the model converges to the fixed value corresponding to the route conditions.

• Journal of Navigation and Port Research
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• v.43 no.3
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• pp.160-165
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• 2019

The conduct of seafarer is major cause of marine accidents. This study models the behavior of the seafarer based on the Hidden Markov Model (HMM). Additionally, through the path analysis of the behavior estimated by the model, the kind of situations, procedures and errors that may have caused the marine accidents were interpreted. To successfully implement the model, the seafarer behaviors were observed by means of the summarized verdict reports issued by the Korean Maritime Safety Tribunal, and the observed results converted into behavior data suitable for HMM learning through the behavior classification framework based on the SRKBB (Skill-, Rule-, and Knowledge-Based Behavior). As a result of modeling the seafarer behaviors by the type of vessels, it was established that there was a difference between the models, and the possibility of identifying the preferred path of the seafarer behaviors. Through these results, it is expected that the model implementation technique proposed in this study can be applied to the prediction of the behavior of the seafarer as well as contribute to the prioritization of the behavior correction among seafarers, which is necessary for the prevention of marine accidents.

• International Commerce and Information Review
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• v.16 no.3
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• pp.3-23
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• 2014

This study focused on causes of use reluctant intention because closed SNS was more active than open SNS was despite tremendous growth of SNS to have negative influence upon not only SNS contents suppliers but also marketing business using SNS. The survey were conducted a total of 205 participants with adult over colleague student, 197 copies that excluded questionnaire with unfaithful answer were used in the analysis, and we used path analysis of structural equation modeling. The results of modified path model showed that interactivity was influenced by value, and then affecting "trust ${\rightarrow}$ satisfaction ${\rightarrow}$ using reluctant intention" path and "satisfaction ${\rightarrow}$ using reluctant intention" path. These result reflected that interactivity have a double-edged sword and value is very important standard to make a positive of negative role of interactivity. These results suggested that interactivity was found to have influence upon not only behavioral willingness that took actions depending upon either improvisation or situation but also behavioral intention path that thought and took actions in reasonable way. The interactivity had double-edged sword to help develop SNS and to produce negative results.

• Informatization Policy
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• v.20 no.3
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• pp.63-85
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• 2013

Drawing on Protection Motivation Theory(PMT), this study attempts to clarify antecedents that influence the intention to protect individuals' privacy on the Internet. Protection motivation forms through individuals' cognitive appeal involving threat and efficacy. Then protection motivation causes privacy behavioral change. Protection motivation factors are established privacy trust and privacy risk, which are related to privacy attitude and belief. This proposed model is empirically analyzed by utilizing structural equation analysis(SEM). According to the result of the empirical analysis, it is founded that almost paths have statistically significant explanatory power except path from efficacy to privacy risk and path from privacy trust to privacy behavioral intention. This study shows powerful evidence of antecedent factors based on protection motivation of individuals' privacy behavioral intention in online environment.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 2004.11a
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• pp.305-312
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• 2004

인터넷 웹 사이트 상에서 사용자 행동은 클릭(click)을 단위로 모두 로그 (log)에 기록된다. 웹 서버를 통해 남는 웹로그를 가공하여 단순한 통계 수치 외에, 사용자 행동을 분석할 수가 있다. 특히 인터넷 쇼핑몰에서 사용자의 행동에 대한 분석은 중요하며, 고객의 획득, 유지 전략을 수립하기 위한 중요한 정보가 된다. 본 논문에서는 인터넷 쇼핑몰에서의 사용자 행동을 비즈니스 관점에서 분석한다. 쇼핑몰 사이트의 유입 경로 분석의 다양한 관점에 대해 논의하며, 관심 카테고리 및 상품 분석, 첫페이지 영역별 분석 등 새로운 분석 방법에 대해 소개한다. 이와 함께, 이 분석과정에서 필요한 효율적인 데이터 구조, 운영계 데이터 베이스 정보 및 이들간의 연동방안과 분석 결과의 활용 방안을 제시한다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.14 no.10
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• pp.4819-4829
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• 2013

The purpose of this study was to figure out the effects of parents' energy conservation awareness and behaviors on young children's environment-friendly attitudes and environmental preservation knowledge. To achieve this, a survey was carried out to 160 kindergarten children and their parents in the farming and fishing communities located in N city, Chungnam through June 10 to June 30, 2013. The results of the analysis were as follows. First, the effect of parents' energy conservation awareness on young children's environment-friendly attitudes showed that parents' environmental preservation awareness and energy conservation awareness had an effect on young children's environment-friendly attitudes. Second, the effect of parents' energy conservation behaviors on young children's environment-friendly attitudes showed that parents' general behaviors and selective behaviors had an effect on young children's environment-friendly attitudes. Third, the effect of parents' energy conservation awareness on young children's environmental preservation knowledge showed that parents' environmental preservation knowledge and energy conservation awareness had an effect on young children's environmental preservation knowledge. Fourth, the effect of parents' energy conservation behaviors on young children's environmental preservation knowledge showed that parents' general behaviors and selective behaviors had an effect on young children's environmental preservation knowledge. As for findings stated above, parents' energy conservation awareness and behaviors had a positive effect on children's environment-friendly attitudes and environmental preservation knowledge. This implies that parents' right energy conservation awareness and behaviors are important to enhance children's positive environment-friendly attitudes and environmental preservation knowledge.

• Journal of the Korea Convergence Society
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• v.12 no.5
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• pp.173-183
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• 2021

This study is a convergent study on the awareness and purchasing behavior of eco-friendly consumers who engage in consumer activities in Gwangju Metropolitan City. A survey was conducted on 151 persons engaged in consumption activities in Gwangju Metropolitan City to analyze frequency, technical statistical analysis, principal components analysis, and correlation analysis. The convergence of awareness, interest, and satisfaction can be used as a supply forecast for the eco-friendly consumer market, including the convergence of eco-friendly consumer awareness and purchasing behavior.

• Proceedings of the Korean Information Science Society Conference
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• 2000.04a
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• pp.698-700
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• 2000

원활한 RTS 게임의 진행을 위해서 경로 찾기의 역할은 절대적이다. 경로 찾기는 게임 유닛의 진행이나 행동에 따라 무한 발생하며 게임의 특성에 따라 변하기 쉽기 때문에 유연해야 한다. 이는 게임의 자유도를 높이는데 중요한 요소가 된다. 그러나 경로 찾기는 맵의 속성이나 환경 또는 사용자의요구에 따라 행동 패턴들이 무한 발생하므로 체계적 알고리즘을 만들기가 어려워 많은 문제를 일으킨다. 기존의 게임에서는 알고리즘이 맵 상의 협곡에서 속성 처리를 제대로 하지 못하였다. 본 논문에서는 대기모드의 추가를 통한 해결에 방안을 제시 한다.

• Proceedings of the Korea Contents Association Conference
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• 2008.05a
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• pp.10-14
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• 2008

Computer-animated crowd scenes are often observed in computer games and feature films. The common way to model locomotion of large human crowds is to employ agent based methods where the behavior of each person is independently modeled. But for large crowds, it is difficult for a user to control all the individuals using individual behavior model. Instead, crowd behaviors can be controlled more intuitively at the group level than at the individual level. In this paper, we present the group force field model to simulate path following behavior for groups. A group is a set of characters who have the same goals, i.e. the same path to follow. We also define three characteristics of grouping behavior: alignment, cohesion, and distribution. Our group force field model preserves these characteristics while avoiding collisions. By using our model, user can generate desired group behaviors from line-up behavior to lumped one.

• Asia-Pacific Journal of Business Venturing and Entrepreneurship
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• v.7 no.4
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• pp.55-64
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• 2012

This study was carried out to analyze factors influencing Korean consumers' attitude and buying behavior on the green products. The research model was constructed that values and personality variables affect on attitudes and the attitudes affect on buying behavior. Variables in the model were selected altruism and collectivism values, dominance and tolerance as personality. The results show that altruism, collectivism and tolerance have significant positive influence on the attitudes, but dominance has not. Attitudes on the green products connect to buying them positively. When consumers buy green products, a high price factor and distrust about the benefits of green products were investigated the largest concerns. We emphasize it is important based on the results of this study that green marketing should focus on social values, find consumer benefits and use trusty ways to communicate with consumers. Also, we need leadership and self-respect based on altruism and collectivism for the sustain ability of our society.