• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.23 no.8
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• pp.861-877
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• 2012

Recently, the Ministry of Internal Affairs and Communications(MIC) of Japan announced the policies for effective use of spectrum in the 2010s based on the developments of spectrum usage technology, at the same time resolving the social issues in Japan. In Aug. 2010, the establishment of "special white space areas" was suggested to promote the systematization of white space, and a prior model for actualizing the suggestion was published. Also, Action Plan for the frequency reorganization toward building wireless broadband. This paper investigates the future image of the services and systems in the 2010s and surveys the background of the implementing radio wave policy, the major strategy and the policy directions published by MIC of Japan. The contents suggested by this paper contribute to formulating domestic spectrum policies and to promoting the usage and application of spectrum.

• Korean Institute of Interior Design Journal
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• v.22 no.4
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• pp.86-93
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• 2013

Illumination in church building has played an important role in making workship space more suitable for divine service. As time has changed, however, the worship space of Protestantism is no longer somber and reverent, but changing into practical and multipurpose space with bright and colorful image. This study investigates intensity of illumination of worship space during day and night respectively and figures out the change of psychological change of congregation in accordance with brightness and color temperature in worship space in order to find out preference and look into the usage and change of illumination in recent Protestantism in compliance with the needs of the time and influence. Then, result value is to be compared to Korean Standard intensity of illumination. Also, the correlation between intensity of illumination and color temperature by Kruithof's curve theory is used to identify the comfortableness of the worship space during day and nigh. And it is a common task of space designers and pastors to map out the worship space in terms of illumination suitable for its own purpose with even more modern and Korean sensibility and to create spiritual space for worshippers by collecting opinions from congregation, the main user of the space. With appropriate usage of illumination in Protestantism worship space, the atmosphere and purpose of worship can be enhanced.

• Journal of Korean Library and Information Science Society
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• v.51 no.2
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• pp.245-272
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• 2020

The purpose of this study is to analyze the current status of space use in university library and draw up considerations for enhancing space utilization based on the analysis results. For this purpose, the utilization rate of each space was analyzed by categorizing the user's space of the university library, and secondly, the preferences of the major user groups were analyzed according to the characteristics of the users' space. For empirical analysis, we collected and refined users' space usage data (98,282 people's data 433,769 cases) accumulated for one year for the central library of "J" National University. Then we analyzed the usage pattern according to space and period(monthly, hourly). In addition, preferences for each major group of users (undergraduates, graduate students and graduates) in the library were analyzed through the library visitors' data (2,426,553 cases) over the same period. The results of this study can be used as preliminary research for the composition and arrangement of users' space in future university libraries.

• Journal of the Korea Furniture Society
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• v.26 no.1
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• pp.61-70
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• 2015

There is an increasing trend each year in the number of subway users due to increase in the traffic volume. As the number of train service has risen, the subway drivers are given heavy work and from the same, are put at risk of mental health deterioration due to stress. As this is directly connected to safety, there is an urgent need for improvement of the situation. Therefore, as a way to appropriately relieve such stress, resting space where mental and physical energy can be recharged is necessary. Thus, this research conducted a survey of demand with subway drivers as subjects in order to provide resting space that can offer healthy rest and increase work effectiveness. 50 subway drivers were the subjects of this survey. As a result of analyzing the contents of the survey, environmental satisfaction was shown to be the lowest compared to psychological and morphological satisfaction. In the case of sleeping room, they wanted more comfortable and individual space. And the waiting room had the highest rate of usage frequency. The storage space was where the subway drivers showed the strongest attachment and was shown to be the only personal space. Most were shown to be satisfied with the outdoor space, but it had the lowest usage frequency. In addition, it is nessasery customized storage cabinet designed for subway drivers should be produced, which can effectively arrange the limited space. I hope that these direction of improvement can increase the healthy rest and work effectiveness of the locomotive engineers as it is directly being connected to the health and safety of the citizens.

• Journal of architectural history
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• v.12 no.2 s.34
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• pp.7-20
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• 2003

The main buildings of the important Buddhist temples - the pagoda, the Buddhist sanctum, the lecture hall - was surrounded by the cloister until Koryo Dynasty. And the Buddhist sanctum was located the center. It meant that the Buddhist sanctum was important building. It is very important thing that we understand the usage of the interior space because the architectural space consists of the unified space by the organic function of the interior space and the exterior space. But there is not so much the study on the interior space of the Buddhist sanctum. So, the purpose of this study is to understand of the interior space of the Buddhist sanctum in Ancient and Medieval Times. Till now, it was impossible that the Buddhist monk or the General public entered the Buddhist sanctum in Ancient and Medieval Times because they regarded the Buddhist sanctum as the place of sacrosanctity and the floor was finished by bricks. But, we saw that they could enter the Buddhist sanctum. Of course the floor of the Buddhist sanctum was finished by bricks, but they spread mats on the floor, took off his shoes in the interior space and used the furniture for sitting on. The plan of the Buddhist sanctum was designed by the process of the ceremony and the way of the enshrinement of the Buddhist statues because it is the place to enshrine the Buddhist statues. They performed the ceremony like as pray, worship, offer food to Buddha, HaengDo - an act to turn round an object of worship - and so on in the interior space of the Buddhist sanctum.

• Proceeding of Spring/Autumn Annual Conference of KHA
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• 2005.11a
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• pp.143-146
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• 2005

The objective of this study is to provide new direction on house design in consideration of the user's life pattern. To this end, pc usage status at home, demand for pc using space, and requirements for pc room interior were analyzed. A survey was taken by parents and the SPSS win.10 was applied for analysis. The survey was conducted for 2 months, starting May 2004 to see the computer usage at home, demand and satisfaction for the computer's room. The results of this study were as follows; The oldest son or daughter in a family was the main user of the computer, posting 71%. 42percent of respondents said they used the pc in their son's and daughter's room while 36% answered living room. It reflects that the whole family want to use the pc in their sharing room, or for their children's convenience. Currently, inconvenience of space-related constraints for using the pc was not that high, which possibly stems from a lack of awareness of inconvenience in using the pc. However, the need for furniture and space for refreshment was suggested. Through this study, it is expected that new housing designs need to be made to reflect these requirements into interior design and building plan for user's convenience.

• Journal of the Korean housing association
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• v.10 no.4
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• pp.137-146
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• 1999

The purpose of this study is to analyze the behavioral patterns and furniture usage in An-Bang of apartment. For this purpose, a survey was conducted by 215 housewives who lives in Taegu by the size of floor space, 20-49 Pyong. The data were analyzed by using frequencies, percentage, mean, factor analyzing, χ²-test, cluster analyzing. The results of the study are as follows: 1. The major behavioral patterns in an-bang is sleeping, make-up. fitting, but can't be neglected family-gathered and guest meeting. 2. The patterns of furniture usage are grouped into four clusters and principle furniture arrangement is floor type. 3. Behavioral patterns and furniture usage related with factors.

• International Journal of Fuzzy Logic and Intelligent Systems
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• v.5 no.1
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• pp.88-93
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• 2005

Web usage mining is a research field for searching potentially useful and valuable information from web log file. Web log file is a simple list of pages that users refer. Therefore, it is not easy to analyze user's current interest field from web log file. This paper presents web usage mining method for finding users' current interest based on fuzzy categories. We consider not only how many times a user visits pages but also when he visits. We describe a user's current interest with a fuzzy interest degree to categories. Based on fuzzy categories and fuzzy interest degrees, we also propose a method to cluster users according to their interests for user modeling. For user clustering, we define a category vector space. Experiments show that our method properly reflects the time factor of users' web visiting as well as the users' visit number.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.33 no.4
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• pp.207-228
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• 2022

This study compared the behavior of using the reading room of the university library before and after COVID-19 and confirmed the changes and characteristics. As a subject of the study, 579,555 reading room usage data for the 2019-2021 school year, three years before and after the outbreak of COVID-19, were collected and analyzed for reading room utilization. In addition, the purpose of visiting the library was compared based on 120,090 data usage logs, and the relationship between the characteristics and usage rate of each reading room was analyzed. Ultimately, it is intended to suggest a way to increase utilization by reflecting the needs of users derived from changes in usage behavior during the COVID-19 period in the reading room space of the university library. It is hoped that the results of this research will be used as basic data for the operation of library reading rooms and the establishment of space reconstruction policies to cope with the New normal era after pandemic.

• Journal of the Korean Institute of Rural Architecture
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• v.17 no.1
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• pp.73-81
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• 2015

The purpose of this study is to analyze the approach characteristics, relation to other facilities, and current status focusing on 28 total of exhibition-culture facilities in Gangneung. The results are following as. First, 19 facilities are located in urban area and nine are located in country side. With locational characteristics of Gangneung which is mountains in west and sea to east, three are located in high hill side and four are in sea shore among nine facilities. Facilities in urban area converge to Gungpodae and Ojukhuk which are symbol space in Gangneung. Those facilities started to have been increased from 1990s and rapidly increased from 2000s. The reason is that people have been interested in culture and art in society in general. In building structure, buildings related with traditional contents were constructed with wooden structure while buildings have been mainly constructed with modern ways such as steel and reinforced concrete structure. Second, the 28 facilities are classified into three types by function of other space or facilities within same a site or a building. The three types are themselves usage only, multi-function, and park type. The multi-function type is re-classified into two; public type and commercial type. Those functions have changed according to changes of society and times. Finally, for approaching to the exhibition-culture facilities with general transportation, the mean distance from the closest bus stop to those facilities each is 280m and 27 facilities are located within 670m from the closest bus stop. For approaching way using by car creates movement along road-building site-parking space-main entrance of building. When based on main entrance by the movement, parking space located in front side of main entrance is the largest, next is in the side, and the least is in back side. Various factors such as approaching form from road to parking space and space size between main entrance and parking space influence to approaching ways of exhibition-culture facilities in Gangneung.