• Journal of The Korean Association For Science Education
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• v.29 no.3
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• pp.329-347
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• 2009

Science curriculums for elementary schools were, traditionally, developed to be balanced in content and contain equal proportions of the four branches of science: physics, chemistry, biology, and earth science. To develop a successful science curriculum, we asked some questions about how elementary students recognize these branches and about what they think of the domains of science in the science curriculum. Our study was designed to investigate how elementary students classify the domains of science in the curriculum. Previous research (Lee et al., 2001) seemed not to be successful, because verbal expressions in that research might be inappropriate for elementary students who were unaccustomed to the technical language of science. For this reason, instead of using only words, we developed image card instruments, made of picture duplicates of the introductory covers of each unit in the 3$^{rd}$, 4$^{th}$, and 5$^{th}$ grades' science textbooks. We asked students to classify these cards into their own categories and record the reasons for classifying them. The ratio and distribution of the units was then analyzed to identify their view of the science domains. 30% of the 4$^{th}$ grade students created the following categories: 'nature,' 'observation,' 'seasons,' 'living things,' 'sounds,' 'separating,' and 'the things necessary for everyday life'. In the case of the 5$^{th}$ grade, over 30% created the categories of 'living things,' 'weight,' and 'water.' Over 30% of the 6$^{th}$ grade created the categories of 'nature,' 'light,' 'water,' 'living things,' 'solution,' 'fire,' 'properties of an object,' and 'experiment.' Upon scrutinizing the above results, we discovered that the science domains selected by students into three types of domains: academic contents and concepts; activities related to a science class; and lessons and experiences in students ' lives. The last category was a new, complex kind of domain. We concluded that students did not utilize the four branches of science when constructing their own domains of science. Instead, they created many alternative domains, which reflected students' thoughts of and their experiences. The educational needs of elementary students suggest that when organizing science curriculum as 25 % allocation of the four science branches, newly-created domains should be considered.

• Journal of the Korean Society of Costume
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• v.47
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• pp.143-160
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• 1999

The purpose of this dissertation is to interpret fashion through a socio-cultural phenomenon called kitsch by understanding its aesthetic characteristics and clarifying its significance in the modern consumer society and analyzing the examples of kitsch appearing in modern fashion. The following are the arguments and conclusion of this dissertation. First kitsch has negative meanings such as aesthetic inadequacy or bad tastes implying vulgar popular tastes of faked sensations just imitating elite culture and using things indiscriminately for inferior reproduction or at best the philosophical and aesthetic category that expresses the mass of people's attitudes toward life in accepting the consumer culture of the industrial society. It started from the art of romanticism accompanied by th commercializing of art with the bourgeois society background formed in the mid-19th century. Though kitsch started to prevail following the socio-cultural changes caused by the Industrial Revolution in the 19th century it is only in the late 20th century that kitsch has come tc our everyday life and has become an object of aesthetic arguments. Second formative characteristics of kitsch appearin in fashion have a cumulative inadequate romantic pleasure-seeking satirizing and multicomplex nature. Third the socio-cultural meanings of kitsch appearing in fashion are as follows: The extension of commercialism which gratifies the pleasure-seeking mass consumers the enlargement of the aesthetic category by inclining to everyday commonplace aesthetic sense the expression of one's identity through the gratification of desire and the new aesthetics of resistance and deviance by an anti-traditional and anti-elite tendency towards the traditional society and aesthetic values.

• Journal of the Korean School Mathematics Society
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• v.4 no.1
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• pp.103-114
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• 2001

The purpose of this study is to develop learning materials for functional concept on variable and to verify the effect of how well students could learn functional concept after they studied with those materials. To accomplish the purpose of this study, I developed learning materials and after teaching students with them. I have concluded the followings : First, there was little effect in teaching functional concept on variable between two experimental groups, whereas teaching functional concept had greater effect on forming functional concept in high level groups in those two experimental groups. Second, teaching functional concept on variable had little effect on students' understanding of functional concept and perfecting tables in Black box, graph, and mathematical problems, whereas there was much effect in students' understanding functional concept and solving relation formula, image, and range problems related to everyday life or general things. On the basis of the problems which appeared in the process of this study, the following can be suggested : First, we should develop learning materials fit for low level students so that they could understand functional concept. Second, we should continue to teach the basic problems like solving relation formula, image, and range, and understanding functional concept in graph until students are able to understand them exactly. Third, since the goals of Unit Function in a middle school textbook is to solve problems related to everyday life through functional thinking, there should be change in constructing systematic contents of Unit Function in a middle school textbook.

• KIISE Transactions on Computing Practices
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• v.23 no.5
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• pp.284-292
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• 2017

With the development of Internet of Things (IoT) technology, the combination of ICT and medical services has been increasing to improve the quality of medical services. Using the IoTs, we can collect personal health information continuously in a patient's everyday life. We expect that this will improve the quality of medical service through analysis. However, the problem of ensuring the protection of personal information within the personal health information has been hampering the research, development, and application of such services. Other problems include lack of IoT devices and lack of user convenience for collecting health information about a patient's everyday life. Therefore, in this study, we construct a daily health information management service that can collect the health related information at any time and store this data in personal storage. This data is then only provided to the healthcare worker when necessary. We built a test bed for an IoT-based smart home platform and are currently conducting user experiments. Based on the results of this study, we are attempting to provide a high quality medical trial service based on daily health information through linkage with medical device manufacturers, medical clinics, insurance companies, etc. We expect the proposed health information management service will contribute to the revitalization of smart health care services via activating various health related IoT devices and analyzing daily health information.

• Cartoon and Animation Studies
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• s.42
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• pp.195-212
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• 2016

An interest in 'ordinary things' has been increased because public things become issues as the influence of mass media including mass production has been increased in the 1950s. And this phenomenon drew an art style of pop art in the world of art. Media art means that the fine arts are expressed by means of media such as TV and monitors because media has been developed in the modern society. It started emerging through the artists such as Nam June Paik, Bill Viola, and others in the 1960s. Recently, it can be easily accessible not only at the art museum but also in everyday life such as cafe, park, fashion show, performance, and etc. This study analyzed that how many different techniques of pop art were borrowed by especially Nam June Paik media art and how they influenced it. Accordingly, this study respectively analyzed expressive techniques and characteristics of both pop art and Nam June Paik's media art and then searched for their similarities based on the analysis. Both Nam June Paik's media art and pop art extended media by using various ordinary things in everyday life neglected previously as a material. Next, the characteristic of pop art shown in Nam June Paik's media art is participation with audience. While the arts in the past were high-level culture that only certain people could understand and enjoy, pop art or Nam June Paik's media art is an art trend that has led the popularity of fine arts and audience participation in order to let diverse classes enjoy without any specific knowledge.

• Journal of the Korean Institute of Rural Architecture
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• v.6 no.1
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• pp.42-53
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• 2004

The purpose of this study is to examine the space usage behaviors of dwelling by using field study method and by interviewing residents of apartment houses in rural areas. It has been found that the main occupancy space among the residents of apartment houses in rural area is based on agricultural activities. This study will show that apartment houses in rural areas must, as a necessity, reflect the characteristics and needs of its rural environment. It is certain that the existing "unit plan" is not a suitable method. Residents of rural areas have been able to adjust themselves to their current dwelling space properly. This is, mainly, due to economic factors. The interior space is used for simple everyday activities like loading, deposit and drying things. "Nongmak" is a space used for agricultural work and the balcony is used for storage of various things. In conclusion, this study strongly suggested that secure storage space based on the farmhouse model and rural lifestyle should be necessary. Furthermore, special designed cubic shelves should be placed in utility rooms and balconys. And the design and function of apartment houses in rural areas must reflect the needs of its residents.

• Information and Communications Magazine
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• v.34 no.2
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• pp.12-19
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• 2017

The LED technology advancement introduce cuttingedge technology on Internet of Things (IoT) to connect the physical world to the digital realm, using digital smart lighting infrastructure called Internet of light (IoL). This paper proposes an Integrated IoT agent on networked smart LED lighting controller called IoL Filed Gateway using lighting infrastructure in which a lighting system that can connect to a network and can be monitored and controlled from a centralized system or via the cloud. The IoL Field Gateway defines new world of smart connected intelligence, lighting can become an integral and responsive part of everyday human life environments. The proposed connected lighting gateway uses the concept of multi-hop ad hoc network using visible light communication (VLC) with RF wireless technologies and Wired PLC (Power Line Communication). This connectivity and intelligence integrated into LED-based luminaires form the backbone of smart buildings and cities and make the Internet of Things (IoT) vision feasible and enables the lighting administrator can control numerous lightings easily and visitors can get visual information from the lightings with their smart devices. The proposed IoL gateway design is emulated on Arduino based HW platform with VLC, RF, and PLC connectivity and evaluated with four sensor interface.

• Journal of Advanced Navigation Technology
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• v.20 no.6
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• pp.562-567
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• 2016

IoT is attracting attention as the development of the Internet and the spread of smart devices are rapidly increasing worldwide. As IoT is integrated into everyday life, the market is getting bigger. So, experts predict that IoT devices will grow to more than one trillion in a decade. Techniques related to IoT are also being developed steadily, and studies are underway to develop IoT in various fields. However, vendors launching IoT services do not interact with data from other platforms. Therefore, it is limited to growing into a big market by facing the obstacle called the silo phenomenon. To solve this problem, web technology attracts attention. Web technology can interact with data regardless of platform, and it can not only develop various services using the data, but also reduce unnecessary costs for developers. In this paper, we have studied a web - based open IoT system that can transmit data independently in real time to the IoT platform.

• Journal of Families and Better Life
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• v.22 no.5
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• pp.59-73
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• 2004

Since 1980s' Korea had a great change on the housing culture by the supply of multi-family housing stock both on the macro-social and micro-social aspects. The purpose of this study was to examine the changes and the characteristics of housing environments which were estimated its modernization, and to examine the personal life under the change of housing environments. So I would like to revaluation the characteristics of modernization between the 1980s' and 1990s'. Therefore references were made to various papers, reports, the statistical data, newspaper reports, advertisements and magazines during that period. As a result, this paper came to the remarks as follows: 1. The success of modernization on the housing environments since 1980s' was the Quantitative growth of housing supply by multi-family housing. In spite of this, the Quantitative growth of housing supply and the improvement in Quality like housing space per person had the characters which was 'out of valence on the division'. 2. The Qualitative improvement of modem housing life by the development of housing industries could be said the improvement owing to develop of facilities and equipments. The introduction of up-to-date facilities and equipments realized the convenience and the rationality of living in the house. Although the improvement on the physical things deteriorated the modernized spaces to uniform things by commercial strategies. 3. The life in the multi-family housing which gives protection to personal privacy was settle down on the extremely individualized life without common things within the neighbors. Multi-family housing which was a production of process of modernization came true the growth in an appearance and the variety in the inside, but for the aspect of residents' everyday life in the multi-family housing, the Korean traditional relationship was collapsed and a sense of incompatibility within the residents was created.

• International Journal of Computer Science & Network Security
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• v.22 no.3
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• pp.303-311
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• 2022

The tremendous growth of the Internet of things is unbelievable. Many IoT devices have emerged on the market over the last decade. This has made our everyday life easier inside our homes. The technology used at home has changed significantly over the past several decades, leading to what is known today as the smart home. However, this growth has also brought new challenges to our home security and privacy. With the smart home becoming more mainstream, cybersecurity issues have become a fundamental concern. The smart home is an environment where heterogeneous devices and appliances are interconnected through the Internet of Things (IoT) to provide smart services to residents. These services include home climate control, energy management, video on demand, music on-demand, remote healthcare, remote control, and other similar services in a ubiquitous manner. Smart home devices can be controlled via the Internet using smartphones. However, connecting smart home appliances to wireless networks and the Internet makes individuals vulnerable to malicious attacks. Remote access within the same environment or over the Internet requires an effective access control mechanism. This paper intends to shed light on how smart home devices are working as well as the type of security and privacy threats of the smart home. It also illustrated the types of authentication methods that can be used with smart home devices. In addition, a comparison of Smart home IoT-based security protocols was presented along with a security countermeasure that can be used in a smart home environment. Finally, a few open problems were mentioned as future research directions for researchers.