• Journal of the Korea Society of Computer and Information
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• v.20 no.1
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• pp.163-173
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• 2015

In this paper, it shows optimal inventory level of bicycle sharing service terminal by maintaining the lowest costs. As the interest to environment and exhaustion of resource increases globally, investment to sustainable transportation increases around advanced countries and interest to efficient transportation, managing and consuming of vehicle increases also. Vehicle sharing service is a model of rental car where customer rent cars for short periods of time often by the hour and its users are increasing for the reason that it is more convenient than car rent. In addition, bicycle sharing service is one of the major parts in vehicle sharing program and many of country are already managing it. This paper proposes optimal inventory levels of vehicle sharing service's terminal by using simulation calculating operation costs of vehicle sharing service.

• 한국노년학
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• v.38 no.3
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• pp.395-408
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• 2018

The purpose of this study is to investigate the effects of staffs' general characteristics and institutional characteristics on the staff members' recognition of the level of ethical management in the elderly welfare institutions and to provide basic materials for raising standard of ethical management in the elderly welfare institutions. For this purpose, we conducted a questionnaire survey using structured self-filling-type questionnaires for 245 staffs of elderly welfare institutions in Seoul and Gyeonggi-do. This study sets general characteristics of staffs and institutional characteristics as the independent variables and the staff members' recognition of the level of ethical management as the dependent variable. The variables are investigated through the descriptive statistics such as frequency, percentage and average analysis, and the difference of effect on the staff members' recognition of ethical management in the elderly welfare institutions by each independent variable was analysed by t-test, ANOVA and multiple regression analysis. The results of the study shows that in terms of general characteristics of staffs, the higher male to female ratio and the higher educational level; and in institutional characteristics, the less experience in basic ethics education and the better ethical working environment of the institution are the positive factors for that the staff members estimate the level of ethical management of their workplace high. Based on these results, for making staff members recognize the level of ethical management in the elderly welfare institutions higher, we should create actual atmosphere of the ethical working environment in the institution and implement not formal but step-by-step intensive ethics education that make employees can apply it in the real situations. In conclusion, this study gives the practical suggestions for improving the staff members' recognition of ethical management level in the practice field of elderly welfare on the fast-changing trends including downsizing and privatization.

• Journal of the Korean earth science society
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• v.23 no.8
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• pp.666-675
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• 2002

The purpose of this study was to develop the level-defferentiated Web Based Instruction(WBI) program, to examine its effects on the science achievement self-directed learning characteristics, and the students’ perceptions on the WBI learning. For this purpose, the advanced and complementary WBI program of level-differentiated curriculum was developed to adapt to class fields and examine instruction facilitating efficiency. Designed and developed the WBI program make it possible to teach students according to the level-differentiated learning for the chapter, ‘weather and climate’ in high school science curriculum. The results of this study are as follows: First, level-differentiated WBI was effective to encourage self-concept, learning eagerness, future-oriented self-apprehension, creativity, self-assessment of the student’s self-directed teaming characteristics. There was no interaction effect of treatment and students’ learning ability at the self-directed learning characteristics. Second, the scores of science achievement of WBI group were significantly higher than those of conventional lecture group. There was interaction effect of treatment and students’ learning ability. However level-differentiated WBI has no effect on openness, initiative, responsibility of the student’s self-directed learning characteristics. There was interaction effect of treatment and students’ learning ability at the science achievement, Third, in the perception questionnaire of WBI teaming, many students showed the WBI teaming was good in terms of causing interaction between learners and web based learning materials including various images and animations. However there are several students who showed learning difficulties. For example they wonder which part is more important and what order is proper to study in hypertext environment.

• TTA Journal
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• s.137
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• pp.22-27
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• 2011

정보통신기술(ICT)은 우리 일상생활에 너무나 깊숙이 스며들어 이제 정보통신기술 없이는 행정서비스, 경제활동, 사회참여, 문화활동 등을 향유하는데 많은 제약이 따르는 시대로 접어들었다. 정보통신기술에 접근하고 이용할 수 있는 사람과 그렇지 못한 사람들의 정보격차 (Digital Divide)가 경제격차와 사회문화적 격차를 유발하여 사회 불평등을 심화시키고 궁극적으로 사회통합을 저해할 가능성이 크다. 정보통신 접근성(ICT Accessibility)은 신체적, 인지적 제약으로 정보통신기기나 서비스에 접근하는데 어려움이 있는 장애인이나 고령자가 일반인과 차별 없이 정보통신의 유용성을 향유할 수 있도록 정보통신기기나 서비스에 대한 접근을 보장해 주는 것을 의미한다. 우리나라는 미국이나 유럽 등 선진국들에 비해 정보통신 접근성을 위한 법 제도적인 출발이 늦었지만, 최근 수년간 관련 법률의 제정, 정보통신 접근성 보장을 위한 지침 및 표준의 제정 등 다각적인 노력을 경주하여 빠른 속도로 선진국 수준을 향해 나아가고 있다. 지금까지 '한국형 웹 콘텐츠 접근성 지침 2.0', '금융자동화기기 접근성 지침' 등 12개에 이르는 표준을 제정한 바 있으며, 정보통신 보조기기의 개발 보급, 관련 전문인력 양성 및 교육 홍보 등을 통해 정보통신 접근성 수준 향상을 위한 노력을 지속해 왔다. 앞으로도 모바일 시대, 디지털 융합의 스마트 시대에 대응하여 다양한 정보통신기기 및 서비스에 대한 접근성 표준 제정, 관련 기술의 연구 등을 지속적으로 추진하여 모든 사람이 정보화의 혜택을 누리는 디지털 통합 (Digital Inclusion) 시대를 열어나가야 할 것이다.

• Journal of the Korean Geographical Society
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• v.39 no.3
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• pp.457-472
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• 2004

The purpose of this study is to analyze spatial patterns of traffic accidents and to investigate spatial relations among neighboring spatial objects by applying GIS and spatial data mining methods. This study investigated traffic accident data in Kangnam-gu, Seoul, as a case study. As a result, four clusters were emerged based on individual attributes of traffic accidents. Each cluster showed distinctive properties. In spatial associations between individual attributes of traffic accidents and neighboring spatial objects, there were many rules according to concept hierarchy and definition of spatial relations. Although all rules were not be interesting and significant, they could be a clue to investigate more.

• The Southeast Asian review
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• v.24 no.2
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• pp.1-33
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• 2014

아세안은 한중일과의 무역을 통한 경제적 연계의 심화현상과 최근 글로벌 위기로 인한 경기침체를 고려하여 새로운 경제성장추진을 위해 동북아의 한중일 삼국과의 무역자유화를 적극 추진하고 있다. 이미 ASEAN-중국, ASEAN-일본, ASEAN-한국 양자간 자유무역협정(FTA)이 발효되어 실행되고 있으며, 이들 3개 양자협정을 아우르는 A+3FTA(ASEAN+중국+일본+한국) 논의도 진행중이다. 이에 본 연구는 이들 4개 자유무역협정의 경제적 효과를 분석하여 과연 A+3FTA가 아세안은 물론 동아시아 역내에서 보다 바람직한 통상정책인지를 평가한다. 본 논문의 정성적 평가는 기존의 경제통합의 경제적 효과를 결정하는 이론에 근거하여 참여국의 제반 경제적 현황(경제규모, 소득수준, 경제개발수준, 거래비용, 무역 및 산업구조, 관세율 등)을 통계적으로 비교 분석한다. 한편 정량적 평가는 무역의 경제적 파급효과 분석에 널리 이용되고 있는 연산가능한 일반균형모형(CGE)분석방법을 적용한다. 정태적 효과의 분석을 위해서 GTAP 모형을 이용하며, 이와 더불어 동태적으로 투자를 통한 자본축적을 반영하는 자본축적 CGE 모형분석을 병행한다. 분석결과 후생 및 생산확대 측면에서 아세안의 경우 일본과의 양자간 FTA가 한국이나 중국과의 FTA에 비해 보다 긍정적인 후생증진을 가져올 것으로 기대되며, 아세안과 한중일 모두에게 A+3FTA가 동아시아 역내에서 보다 바람직한 자유무역협정이 될 것으로 평가된다.

• 한국벤처창업학회:학술대회논문집
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• 2021.11a
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• pp.125-128
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• 2021

한국은 2025년 전체 인구 중 65세 이상 인구가 20%을 상회하는 초고령 사회 진입이 전망되면서 노화수준에 맞는 고령친화적인 제품서비스 공급이 요구된다. 특히 시니어 소비자가 사용하기 편리한 인터페이스를 갖춘 서비스가 필요하다. 이에 시니어들은 노화(aging)에 대한 문제의식에 비용을 지불하며 젊은 소비자들과 유사한 소비행태를 보이고, 노화 수준별 건강 유지 및 건강 불안, 돌봄 공백, 사회적 고립 증가 등 사회문제가 복합적으로 심화되면서 고령친화적인 스마트한 Aging Service 공급이 요구된다. 이러한 시기와 맞물려 with코로나시대 시니어 소비자가 사용하기 편리한 인터페이스를 갖는 제품·서비스로 4차 산업혁명의 중심인 AI(Artificial Intelligence)와 정보통신 기술의 노력이 가시화되고 있다. 따라서 IT 기술에 덧입혀 시니어들의 욕구에 부합하는 AI 음성인식 기능을 탑재한 제품 및 서비스가 향후 고령친화산업 성장을 주도할 것으로 전망된다. 이에 본 연구는 '고령친화 AI 음성 O2O 서비스'의 서비스 가치가 태도와 이용의도에 영향을 미치는가를 분석하기 위해 선행이론을 토대로 전문가 델파이 방법을 통해 고령친화 AI 음성 O2O 서비스의 정의를 도출하고 실증분석으로 '고령친화 AI 음성 O2O 서비스'의 서비스가치(상황기반 제공성, 즉시연결성, 위치정확성)와 태도 및 이용의도간의 인과관계를 조사하기 위해 본 연구를 진행하였다.

• The Journal of the Korea Contents Association
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• v.17 no.12
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• pp.77-91
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• 2017

Due to the lack of learning motivation, there is a need to seek ways to facilitate learning incentives because it's causing drop out and maladjustment of university life. This study is to examine whether the ARCS evaluation model developed by Keller (1983) is a valid model for evaluating the motivation level of local university students sample 276(male 116, female 157) in the Republic of Korea. To analyze the data, average statistic, one-way ANOVA and confirmative factor analysis were used. The conclusion of this study is as follows. First, the level of motivation per ARCS factor has demonstrated the highest relevance factor. Second, the level of motivation by the ARCS for the 1st and 3rd graders was appropriate. Differences in 'attention' and 'relevance' have only been observed for each year, and the 1st grade group was found to be larger than the 2nd grade cohort. Third, construct validity and convergent validity were obtained for measuring the level of motivation. The results of the verification of the variables also showed that the AVE and CR were met, and the model fit well was satisfactory. Based on the finding results, discussion and implication for further research were suggested.

• The Journal of Korean Association of Computer Education
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• v.6 no.2
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• pp.121-135
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• 2003

This paper proposes a web-based adaptive tutoring system based on fuzzy set that provides learning materials and questions dynamically according to students' knowledge state, and gives advices for the learning after an evaluation. For this, we design a courseware knowledge structure systematically and then construct a fuzzy level set on the basis of it considering importance of learning targets, difficulty of learning materials and relation degree between learning targets and learning materials. Using the fuzzy level set, our system offers learning materials and questions to adapt to individual students. Moreover, a result of the test is evaluated with fuzzy linguistic variable. Appling the fuzzy concept to the tutoring system could naturally consider and deal with various and uncertain items of learning environment thus could offer more flexible and effective instruction-learning methods.

• The Journal of Korean Association of Computer Education
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• v.6 no.1
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• pp.109-120
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• 2003

Recently, as more web-based applications are widely used, various methods for education are developed in practical areas. As a result, in many organizations, virtual educations such as WBI learning. CAI, and distance learning are offered actively. With the advantages of web-based education, in order to achieve feasible and efficient effects on education. a new web-based instruction model that considers the abilities, the interests, and the aptitudes of students individually is required. In this paper, a new web-based instruction model, called a hybrid model, is proposed and implemented. And then, two model - the stepwise model and the hybrid model- are applied to a computer accounting class of a vocational high school. Students attend the web-based class in a computer center for 100 minutes autonomously. After the classes, a questionnaire is made in order to analyze both the effect on that class and the learning fulfillment of the proposed instruction model.