• The Journal of the Convergence on Culture Technology
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• v.9 no.4
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• pp.681-686
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• 2023

The study aims to develop horticulture-based VR content so that users can find rest in their chaotic daily lives. Healing contents that increase user participation, immersion, emotional stability, and creativity and concentration were implemented by using teleports, plant illustrations, inventory, NPC functions, and drawing games. Garden viewing content using VR technology requires technical research and development to overcome the difference from reality, which can increase the reality of the content and the completeness of the experience. The reality of the VR experience will be increased by using high-resolution displays, high-performance processors, and sensors, and user feedback will be collected and continuously improved. Through this, users present new methods by relieving stress, feeling emotional stability, and providing experiences that are impossible in reality.

• Convergence Security Journal
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• v.22 no.3
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• pp.19-24
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• 2022

Metaverse is a compound word of the English words 'meta', meaning 'virtual' and 'transcendence', and 'universe' meaning the universe. dimensional virtual world. Metaverse is a concept that has evolved one step further than virtual reality (VR, a cutting-edge technology that enables people to experience life-like experiences in a virtual world created by a computer). It has the characteristic of being able to engage in social and cultural activities similar to reality. However, there are many security issues related to this, and cybersecurity vulnerabilities may occur. This paper analyzes cybersecurity threats that may occur in the metaverse environment and checks vulnerabilities.

• Proceedings of the Korean Society of Computer Information Conference
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• 2023.01a
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• pp.417-418
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• 2023

'오징어 게임', '기생충', K-POP 등의 K-콘텐츠를 중심으로 한류 문화가 세계적으로 전파되고 있으며 이에 따라 방한을 희망하는 외국인들도 증가하고 있다. 그리고 여행자들의 취향이 세분화되면서 개인 맞춤형 여행을 선호하는 방향으로 트렌드가 변화되고 있다. 그러나 외국인을 대상으로 하는 애플리케이션은 많지 않다. 본 연구는 이러한 문제점을 해소하고자 외국인 관광객을 대상으로 맞춤형 서비스를 제공하는 모바일 애플리케이션인 'DisKO'를 개발하였다. 본 앱에서는 여행 취향에 대한 선호도를 기반으로 카테고리별 맞춤형 관광 정보를 제공한다. 그 외에도 외국인 관광객에게 필수적인 번역, 환율, 시차, 지도 등의 편의 기능을 제공한다. 본 앱을 통해 외국인 관광객들은 맞춤형 정보와 반드시 필요한 편의 서비스를 'DisKO'에서 활용할 수 있다.

• Human Ecology Research
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• v.61 no.3
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• pp.475-492
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• 2023

This study investigated player responses to microtransactions in freemium Massively multiplayer online roleplaying games (MMORPG), specifically focusing on the game LostArk using English language review data. To this end, structural topic modeling was employed and the following six microtransaction-relevant topics were identified: microtransactions, developer issues, real money trade (RMT), random number generator (RNG) upgrade system, game content, and collectibles & adventure. The first four topics were classified as being "not recommended". However, the proportions of microtransaction-related topics were relatively lower than the other topics. Additionally, this study did not extract keywords related to unfairness and unethical issues in previous microtransaction research. The last two topics, game content, and collectibles & adventure were "recommended" topics, indicating positive functions of microtransactions such as enhancing the game experience by purchasing virtual items. Moreover, it was found that players who do not engage in microtransactions can still be satisfied through continuous game content updates. Additionally, an examination of the interaction effect between time and recommendation status revealed that while the frequency with which the six microtransaction-related topics were mentioned increased over time in the reviews, the ratio of recommendations to non-recommendations varied differently. This study contributes to game-related research by revealing players' authentic opinions on microtransactions in freemium MMORPGs, thereby providing practical implications for game companies.

• Proceedings of the Korean Society of Computer Information Conference
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• 2024.01a
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• pp.241-242
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• 2024

환경오염으로 인한 문제는 매년 발생하고 있다. 그러나 환경오염의 심각성을 인식하고 있는 비율에 비해 환경보호 실천보다 생활의 편리함이 더 중요하다고 생각하는 비율이 높으며, 올바른 환경보호 지식을 습득하고 있는 수가 적다. 유년기, 청소년기에 초중고교에서의 교육을 통해 올바른 환경 지식을 습득하고 환경을 보전하려는 태도를 갖추는 것이 중요한데, 환경 교과목을 채택한 교육기관의 수는 14.1%로 절반도 채 되지 않는다. 본 논문은 가상공간 내에서 올바른 분리수거 방법을 습득하고, 학습자가 이를 실생활에 적용하기 용이한 게임기반의 체험형 VR 환경교육 콘텐츠를 제시하고자 한다.

• Journal of the International Relations & Interdisciplinary Education
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• v.4 no.1
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• pp.35-56
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• 2024

Based on Kingdon's policy stream model, the logical mechanism of student burden double reduction policy agenda setting process in China was analyzed from three aspects: problem stream, policy stream, political stream. It was found that the direct reflection of data, the feedback and improvement of current policies constitute the problem stream.The high attention of government departments, the suggestions of CPPCC members and experts and scholars, the strong voice of schools, and the continuous voice of stakeholders constitute the policy stream. The ruling party's governing idea and educational policy, national mood and interest game during the transition period constitute the political policy stream. The three streams, coupling interaction, open the policy window, promoting the introduction of the 'double reduction' policy.

• The Journal of Korean Association of Computer Education
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• v.17 no.5
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• pp.1-13
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• 2014

Programming education helps learners solve real world problems by applying the principles of computer science. In particular, in the case of object-oriented programming centered around objects or problems that are observed in the real world, learners are able to make the most use of their programming skills in real life. Therefore, in this study, we sought ways to have learners grasp object-oriented concepts in a learner-friendly manner. To this end we conducted an experiment with six students as participants. As a result we could derive two main points. First, the learning tools which can be easily used by learners are required. Second, it is necessary to think thoroughly to learn concepts before implementation of the programming. This study has significance in the sense that it provides a learning method which helps a novice learner to learn the object-oriented programming that he or she feels difficulty to understand.

• Journal of Practical Engineering Education
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• v.5 no.2
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• pp.169-176
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• 2013

Recently the construction of simulation environment is an important issue in all fields. In case of the training for operating machines such as airplanes or spaceships which cause a huge cost, simulators could be helpful to reduce the costs and training efforts by simulating real situations. When people get a driver's license, too many trainees have to wait for their turns because of the limited number of cars and the small space of training sites. To solve this problem, we have designed and developed the basic design for the simulators. We suggest the Computer 3D Simulation Model for a driver's practice. The concept of this simulator is from a 3D Racing-game which suits for a driving exercise. We provide users with handle-controlled simulation settings to let users feel reality as if they drive in real through this simulator. We also use a 'force-feedback' system which gives handle vibration when users collide against obstacles or exceed lanes. Users can be absorbed in the simulation program and feel the sense of the real. This paper is the study about modeling the driving exercise model of 'computer 3D simulation', and producing and utilizing the simulator through this modeling.

• Korean Journal of Construction Engineering and Management
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• v.15 no.1
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• pp.70-77
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• 2014

Collaborative processes among team members including communication, coordination, and information-handling processes either during pre-construction or project execution are required in order to accomplish the objectives of construction projects. However, current construction management practice does not explicitly take the effect of organizational aspects on project performance into account. This paper introduces a method to understand collaborative processes in an explicit and systematic fashion. An agent-based simulation of collaborative working processes within construction project teams was designed from game theory perspective and implemented. The simulation produced both individual behavior and network dynamics. Individuals represented as agents made efforts to improve performance by communication and coordinating with other members, and overall team network was emerged as a result of interactions among members. Interestingly, it was found that the tendency of forming cohesive subgroups increased when sustaining relations with between-group partners incurs higher cost. The primary contribution of this paper is that it presented an explicit approach to examining collaborative working processes in construction project teams and it extended existing computational organization and network studies by integrating individual behavior models and network models.

• Fire Science and Engineering
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• v.33 no.6
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• pp.159-164
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• 2019

This study aims to minimize casualties in the event of an apartment fire by developing a virtual reality (VR) fire-training program (using the latest IT techniques) and verifying its validity as a learning tool. For this purpose, environmental parameters, such as the unit floor's size and the composition of the family, were established. Then, possible fire scenarios that could occur in the apartment building were developed and implemented in a VR setting. Finally, a survey was conducted to review the responses to the program. The results of the survey demonstrated that the responses were positive, confirming the effectiveness of the program.