• 한국전산유체공학회:학술대회논문집
• /
• 2008.03b
• /
• pp.212-215
• /
• 2008

e-AIRS, an abbreviation of 'e-Science Aerospace Integrated Research System,' is a virtual organization supporting CFD(computational fluid dynamics) simulations, remote experimental service, and collaborative and integrative study between computation and experiment. e-AIRS works on the e-Science environment and research process is accomplished through the web portal. By the system development since 2005, a stable education system with the full support on fluid dynamics is successfully established and utilized to various fluid dynamic lectures in universities. By using e-AIRS system during a lecture, students can conduct the full CFD simulation process on the web and inspect the wind tunnel experiment via Access Grid. This kind of interactive lecture makes students to have a deeper understanding on the physics of fluid, as well as the characteristics of numerical techniques. The current paper will describe system components of e-AIRS and its utilization on education.

• Proceedings of the Korean Society of Broadcast Engineers Conference
• /
• 2016.11a
• /
• pp.1-3
• /
• 2016

Mixed and augmented reality (MAR) refers to a spatially coordinated combination of media/information components that represent on the real world and its objects, and on the other those that are virtual, synthetic and computer generated including any combination of aural, visual and touch. The extensible 3D (X3D) is the ISO standard for defining 3D interactive web-based 3D content integrated with multimedia. In this paper, we propose a model to integrate live actor and entity that captured from Microsoft Kinect to be represented in Web-based mixed augmented reality world by using X3DOM by which X3D nodes can be integrated seamlessly into HTML5 DOM content.

• The Journal of Korean Association of Computer Education
• /
• v.5 no.1
• /
• pp.67-73
• /
• 2002

This paper describes the web-based collaborative learning system, in which the constructivism is used as a background theory. We designed and developed three modules (Learner Module, Instructor Module, Administrative Module) to promote the interactive communication between learners and instructors and to enable the self-directed collaborative learning. In addition, the assignment and evaluation sessions are closely linked with each other to ensure the high quality of the system. We expect this research helps to construct the efficient collaborative learning environment using the ICT(Information & Communication Technology).

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
• /
• v.9 no.2
• /
• pp.776-779
• /
• 2005

The Program language for web, such as PHP, JSP, ASP and so on, make it possible to offer more user interactive page by using with HTML. These language and program have been developed with great speed, but security part could not catch up with this development. As a result, it has brought a problem which is expose many server systems to the outside. In this research, we implement Web and SQL analysis program which can analysis hacking causing factor. With this analysis program, we will show you how much efficient it has compared with security patch for server system.

• Journal of Information Technology Services
• /
• v.9 no.3
• /
• pp.123-144
• /
• 2010

As knowledge becomes a critical success factor of companies nowadays, lots of rule-based systems have been and are being developed to support their activities. Large number of rule-based systems serve as Web sites to advise, or recommend their customers. They usually use a backward chaining inference algorithm based on backtrack to implement those interactive Web-enabled rule-based systems. However, when the users like customers are using these systems interactively, it happens frequently where the users do not know some of the answers for the questions from the rule-based systems. We are going to design a backward chaining inference methodology considering unknown facts based on backtrack technique. Firstly, we review exact and inexact reasoning. After that, we develop a backward chaining inference algorithm for exact reasoning based on backtrack, and then, extend the algorithm so that it can consider unknown facts and reduce its search space. The algorithm speeded-up inference and decreased interaction time with users by eliminating unnecessary questions and answers. We expect that the Web-enabled rule-based systems implemented by our methodology would improve users' satisfaction and make companies' competitiveness.

• The KIPS Transactions:PartD
• /
• v.10D no.2
• /
• pp.343-350
• /
• 2003

This paper presents a new agent which convert HTML contents to VXML contents automatically for voice services via web. In this paper, I propose an interactive hybrid sequential contents selection method to select desired contents fast and robustly from known web pages. It uses real time structural features as well as embedded text and/or priori structural knowledge such as link symbol position. To verify its effectiveness, a full agent system is implemented and tested. The method reflects user intention more accurately than conventional selections using structural features and is more robust to variations of HTML programming techniques. The agent is fast and has less computational burden than methods use XML or XHTML conversion as intermediate stage.

• Cartoon and Animation Studies
• /
• s.45
• /
• pp.259-282
• /
• 2016

Documentaries are being recreated into a new genre and the Web Documentary is the typical case. Web Documentaries are the documentaries those comprise creators and users and they are the novel type of text that the interaction with users is absolute. In this research, two Web Documentaries and are analyzed for examining how Web utilizes its features as expressive media inducing users to experience reality. Web Documentaries have dual and spatial structure that allows user interaction and make users to face with various information and knowledge about reality by its encyclopedic characteristics. Also, Web Documentaries give the role of progressing documentary and expanding text to users and that is, they stimulate users' consciousness reminding that they are the ones who explore through reality. In this process, users of Web Documentaries get potentiality of critically examining the reality suggested by documentaries and grasping the meanings beneath it. These features make Web Documentaries special contrast to traditional documentaries not only with their way of pursuing the reality but also with their meanings. This makes the innovative position of Web Documentaries phenomenon clear, issuing the necessity of the discussion about Web Documentaries more strongly. Web Documentaries are not just new media technological phenomenon, and they have their significance as a fundamental challenge toward traditional documentaries.

• Nutritional Sciences
• /
• v.8 no.4
• /
• pp.256-261
• /
• 2005

Although nutrition education for pregnant women is important, few such programs have been carefully examined from the participants' perspective in Korea. Focus groups were used to identify 1) perceived eating behaviors during pregnancy and lactation, 2) factors associated with healthy eating behaviors, and 3) needs for nutrition education programs. Using a trained moderator, we conducted 7 focus group interviews with 44 pregnant women over a four-month period. Focus group discussions were video - and audio - taped, transcribed and categorized by major themes. Participants expressed interest in receiving nutrition education regarding healthy eating, weight control after delivery, weaning foods and health management, yet they showed little interest in breastfeeding. The majority of them said that meal balance and meal regularity were the most important components of good health during pregnancy. They were less likely to be confident about taking dietary supplements, including Oriental medicines. life stress and poor appetite associated with pregnancy were major barriers to healthy eating habits during pregnancy. The most important sources of nutrition and health information were friends and family members, especially those who had become pregnant recently. Qualified educators and reliable information appeared to be the most important aspects of program development. Regarding types of nutrition education, participants tended to prefer a combination of individual counseling and small group education with hands-on materials and interactive formats. The use of Web-based nutrition education was well received Major concerns about Web-based nutrition education were authenticity, tailored messages and interactive formats for sharing information. These results offer useful information for designing nutrition education programs for pregnant and lactating women in Korea for health promotion.

• Journal of Practical Engineering Education
• /
• v.14 no.1
• /
• pp.99-108
• /
• 2022

As the demand for kiosks increases, more users complain of discomfort. Accordingly, a kiosk that enables easy menu selection and order by producing a voice-based interactive service is produced and provided in the form of a web. It implements voice functions based on the Annyang API and SpeechSynthesis API, and understands the user's intention through Dialogflow. And discuss how to implement this process based on Rest API. In addition, the recommendation system is applied based on collaborative filtering to improve the low consumer accessibility of existing kiosks, and to prevent infection caused by droplets during the use of voice recognition services, it provides the ability to check the wearing of masks before using the service.

• Communications of Mathematical Education
• /
• v.31 no.3
• /
• pp.241-255
• /
• 2017

The 4th industrial revolution is coming. In order to prepare for the new learning environment with it, we may need digital mathematics textbooks that fully utilize all possible technologies. So various attempts have been made in elementary and middle school mathematics education. However, despite the importance of higher mathematics, we haven't seen a best possible math digital textbooks yet in Korea. In this paper, we introduce our new model of interactive math digital textbook about Linear Algebra/ Calculus/ Differential Equations/ Statistics/ Engineering Math. Especially, this manuscript focuses on our experience of using digital contents and interactive labs for developing a new model for linear algebra digital textbook. We introduce our works on linear algebra digital textbooks which include pdf e-book, web contents, video clips of lectures, interactive lab. Using this linear algebra digital textbook, students can freely use any mobile devices to access diverse learning materials, lessons, and hands-on exercises without any limitations. Also, times saved in the computation, coding, and typing process can be used to have more discussions for deeper understanding of mathematical concepts. This type of linear algebra digital textbook, which contains all interactive free cyber-lab with codes and all lectures for each sections, can be considered as a new model for the next generation of math digital textbook.