Kim, Hyekyung;Park, Jihye;Kim, Yongseok;Choi, Jeongil
Journal of Information Technology Services
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v.19
no.1
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pp.89-102
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2020
With the technology of the 4th Industrial Revolution integrated into the industry as a whole, digital transformation (DT) is becoming an innovative and essential element of corporate survival in the fashion industry, and it is expected that the paradigm shift in shopping will become an unavoidable reality, especially based on the AR. Therefore, in this study, the characteristics of augmented reality were presented separately as perceived realism, interaction, pleasure, and usability, and the influence of augmented reality by immersion parameters on the user's satisfaction and intended to reveal the relationship between satisfaction and usage through the characteristics of augmented reality. For the purpose of this study, a structured questionnaire was conducted, and the available 209 responses were collected and used for empirical analysis. The results of the empirical analysis are as follows. First, while immersion has the greatest effect on satisfaction, the effect on use intention has a stronger effect on satisfaction than immersion. This indicates that purchase occurs when the user's immersion leads to satisfaction, and when the satisfaction falls, the intention to use is also lowered. Second, interactivity, enjoyment, and ease of use among the various characteristics of fashion applications have a positive effect on immersion. Among them, ease of use had a strong effect on immersion. In light of this, it can be seen that ease of use should be considered first when creating an application based on augmented reality in the future fashion industry. However, the perceived reality is low in the degree of immersion, and the effect on satisfaction is also lowered, so it is difficult to be connected to intention. Considering that this study was conducted through indirect experience through video viewing, this study expects the development of research through a more practical research model in the future, as the impact is considered to be a relatively low measurement.
Kim, Sang-hee;Kim, Seok-kyu;Kang, Chae-young;Kim, Su-jeong;Lee, Hyun-ju
Journal of Digital Convergence
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v.14
no.5
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pp.485-491
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2016
The purpose of this study was to compare of the fall risk factors for elderly in the city. 62 people aged 65 years or older were classified as fallers and nonfallers based on experience of their falls in the previous year. By comparing the difference between the groups via evaluations of general characteristics, health related behavior and chronic disease, balance-related psychological (K-ABC) and physical measurement (BBS), depression (SGDS), and the correlations between the significant differences in variables were identified. According to the results, K-ABC, BBS, and SGDS are statistically significant differences between fallers and nonfallers (P<0.05). Also it has positive correlations between BBS and K-ABC (r=0.499) whereas negative correlation between K-ABC and SGDS(r=-0.472).
Korea is facing various social problems including single elderly household, increase in the number of disabled people and poverty rate and a difference in the proportion of males to females between urban areas and rural areas along with the advent of rapid aging society. Especially, the ratio of poor households in rural areas residing in housing which falls below the minimum housing level and most of them are in the dead zone of housing welfare. In addition, if it is impossible for them to move (relocate) to new housing, the house remodeling is the only measure for improving their housing welfare. However, we don't have enough prior relevant academic and practical experience, and house remodeling requires a series of process including prior planning construction and post-occupancy evaluation, but almost no fundamental research that provides relevant insight has been carried out. Therefore, the purpose of this study is to describe all field situations that occur in the whole customized house remodeling process for disabled female senior citizens living alone in a rural area. The remodeling process was classified into initial planning stage, field verification and adjustment stage and construction stage as the method to participate in the field directly, and any change in the remodeling plan and its causes at each stage were analyzed. As a result, some remodeling items were changed from the main viewpoint of participating parties before the beginning of construction and for reasons such as the deterioration level of housing site, limitation in building equipment and rearrangement of housing, etc., and the remodeling method and its details were developed. It was identified that constant change that occurred in the remodeling process resulted from 1) unique poor characteristics of existing housing and 2) physical condition of residents and their unique lifestyle characteristics that were two aspects required to be emphasized by customized remodeling.
Proceedings of the Korea Water Resources Association Conference
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2023.05a
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pp.170-170
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2023
Providing safe and readily available water is vital to maintain public health. One of the most prevalent methods to prevent the spread of waterborne diseases is applying chlorine injection to the treated water before distribution. During the water transmission and distribution, the chlorine will experience a reduction, which can imply potential risks for human health if it falls below the minimum threshold. The ability to determine the appropriate initial intensity of chlorine at the source would be significant to prevent such problems. This study proposes two methods that integrate hydraulic and water quality modeling to determine the suitable intensity of chlorine to be injected into the source water to maintain the minimum chlorine concentration (e.g., 0.2 mg/l) at each demand node. The water quality modeling employs the first-order decay to estimate the rate of chlorine reduction in the water. The first method utilizes a backtracking algorithm to trace the path of water from the demand node to the source during each time step, which helps to accurately determine the travel time through each pipe and node and facilitate the computation of time-dependent chlorine decay in the water delivery process. However, as a backtracking algorithm is computationally intensive, this study also explores an alternative approach using a water age. This approach estimates the elapsed time of water delivery from the source to the demand node and calculate the time-dependent reduction of chlorine in the water. Finally, this study compares the outcomes of two approaches and determines the suitable and effective method for calculating the chlorine intensity at the source to maintain the minimum chlorine level at demand nodes.
This study analyzed fashion businesses based on the 6P's, products, prices, place, promotion, people, and patron for business owners in the Myeongdong commercial fashion district. Furthermore, this study proposed plans that would activate the Myeongdong fashion district and continuously develop it as a global fashion city. A survey was conducted from August to September, 2012 for 249 fashion business owners in Myeongdong. Eventually, only 208 questionnaires were used for the analysis. The research results were as follows. First, domestic brands have the largest share in the market and sales of fashion accessories were higher than the sales of clothes. Second, the prices for those fashion items ranged from low to mid-price. Third, the opening of new shops keeps increasing, and the size of the shops falls between ten and twenty pyeong generally. 'Self-production' was the highest form of production compared to any other form, and regarding importation sites, importation from overseas was the highest. Fourth, regarding promotion types, the sales in shops was the most commonly used promotion method compared to television and magazine advertising, and personal selling. Fifth, the proportion of male proprietors was larger than that of female proprietors. Most employees had less than five years of sales experience. Sixth, the main customers were females in their 20s and the proportions of Korean and foreign customers was similar.
Search strategies is a means to make an efficient search. Among several studies of search strategy, Bates' $\ulcorner$Search Tactics$\lrcorner$ has been often cited and introduced, but their studies have been superficial. In this paper, the contents of Bates' $\ulcorner$Search Tactics$\lrcorner$ are examined in detail, and we try to represent the actual online search process based upon Bates' $\ulcorner$Search Tactics$\lrcorner$. The following three kinds of survey are made in order to clarify which and how tactics are used: (1) Interview with 7 searchers who belong to different types of organizations, and use different kinds of databases (2) Analysis of some online search records. (3) Analysis of written applications for a newspaper database during one year. In conclusion, Bates' tactics falls into categories and new several tactics which often used are added. The following five factors affect online search activities, search strategy, and search tactics. (1) the difficulty of search requests (2) the kinds of databases (3) the charging policy for each online search (4) the presence of the user during the search (5) the searcher' online experience In the limited condition, typical tactics are suggested, but in order to generalize the pattern of using tactics, further investigation is necessary.
International Journal of Computer Science & Network Security
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v.22
no.5
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pp.368-374
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2022
Children are by nature curious and enthusiastic about learning and love to explore and search for everything they see around them, but as a result of this exploration they may sometimes be exposed to dangerous situations ranging from falls to poisoning and suffocation. That is why when supporting a child's natural desire to explore the world and supporting his awareness of dangerous situations and good handling of them, helps him build a conscious scientific mind and enhance his curiosity in the natural world. It is not easy to imagine a difficult situation in which we or one of our family is in danger, unable to help ourselves or to help them in time, due to our complete ignorance of the rules of first aid. Hence the importance of learning first aid not only for the child but for the community and the world at large. "Hakeem" is an Arabic E-health educational application that aims to teach children from the age of six to eleven years first aid, in our belief that the seed of renaissance lies in the care and education of children, and the lack of Arabic content that aims to teach children first aid skills. The idea is to create a scenario in which the child is responsible for saving the person who will be in a dangerous situation using Augmented Reality (AR) technology, to increase engagement and interaction and provides a rich user experience, and according to the child's performance, he will get reward points. The game will have several levels: Beginner, Intermediate, and Hakeem, and based on the player's points he will get a title and move to the next level, and when he reaches the end, he will get the certificate.
Since movies are experience goods, consumers are easily influenced by other consumers' behavior. For moviegoers, box office rank is the most credible and easily accessible information. Many studies have found that the relationship between a movie's box office rank and its revenue departs from the Pareto distribution, and this phenomenon has been named "increasing returns to information." The primary objective of the current research is to apply the empirical model proposed by De Vany and Walls (1996) to the Korean movie market in order to examine whether the same phenomenon prevails in the Korean movie market. The other purpose of the present study is to provide managers with useful implications about the release timing of a movie by finding different curvatures that depend upon seasonality. The empirical test on the Korean movie market shows similar results as prior studies conducted on the U.S., Hong Kong, and U.K. movie markets. The phenomenon of increasing returns is generated by information transmission among consumers, which makes some movies become blockbusters and others bombs. The proposed model can also be interpreted in such a way that a change in the rank has a nonlinear effect on the movie's performance. If a movie climbs up the chart, it would be rewarded more than its proportion. On the other hand, if a movie falls down in the ranks, its performance would drop rapidly. The research result also indicates that the phenomenon of increasing returns occurs differently depending on when the movies are released. Since the tendency of the increasing returns to information is stronger during the peak seasons, movie marketers should decide upon the release timing of a movie based on its competitiveness. If a movie has substantial potential to incur positive word-of-mouth, it would be more reasonable to release the movie during the peak season to enjoy increasing returns. Otherwise, a movie should be released during the low season to minimize the risk of being dropped from the chart.
In this study, we investigate characteristics of fall, requirements toward the impact protective clothing, design preferences, etc. to develop the fall impact protective clothing for the silver-aged women. Among the 242 women respondents aging 50s to 70s, 43% experienced the fall in recent 2 years. It is found that the fall mostly occurred in winter season and happened during the regular activities such as walking outside, going up and down stairs. Most of the respondents have no experience buying the impact protective clothing, but they expressed the fall impact protective clothing would help reducing the injury from falls. Moreover, the intention to purchase the impact protective clothing is increasing with an increasing target age. However, the respondents concerned with increasing volume and weight of clothing by the protecting pad inserted into the clothing. The respondents also claimed that the impact protecting clothing should not interfere with their regular physical activities. The survey showed that respondents preferred to embed the impact protective function in pants as a form of the protective clothing. For the design preferences on the pants, casual style and straight silhouette was preferred and stretch fabric was selected. The respondents preferred underwear made of cotton spandex blend with relaxed fit.
Journal of The Korean Association For Science Education
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v.29
no.1
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pp.106-115
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2009
In this study, classroom instructions of teachers who participate in the science teachers' community were videotaped and analyzed to understand their teaching professionalism. Among the "Standards for teaching evaluation of science instruction" developed by Korea Education Curriculum and Assessment, 12 evaluation elements were selected and used for data analysis. First of all, the results indicate that most of the teachers show the highest teaching level in the interaction between student and teacher, and the lowest in the statement of teaching object as the teaching evaluation element. Second, from the viewpoint of the teaching level, all of the teachers at the superior level were veterans whose teaching careers have spanned longer than 15 years. It was found that they used various teaching materials in class and designed meaningful learning programs for their students. Compared with teachers at the superior level, beginning teachers used limited teaching materials due to their lack of experience. In addition, their instruction falls short of flexible management in teaching. The results show that they tend to teach in a somewhat rigid style that does not have sufficient positive interaction with students.
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