• Journal of KIISE:Information Networking
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• v.37 no.5
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• pp.396-402
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• 2010

The tracking of current location of residents is an essential requirement for context-aware service of smart houses. This paper presents a wireless sensor network system which could detect location transition such as entrance and exit to a room and also identify the user who passed the room, without duty of wearing any sort of tag. We designed new sensor node to solve the problem of short operation lifetime of previous work[1] which has two pyroelectric infrared (PIR) sensors and an ultrasonic sensor, as well as a 2.4 GHz radio frequency wireless transceiver. The proposed user identification method is to discriminate a person based on his/her height by using an ultrasonic sensor. The detection idea of entering/exiting behavior is based on order of triggering of two PIR sensors. The topology of the developed wireless sensor network system is simple star structure in which each sensor node is connected to one sink node directly. We evaluated the proposed sensing system with a set of experiments for three subjects in a model house. The experimental result shows that the averaged recognition rate of user identification is 81.3% for three persons. and perfect entering/exiting behavior detection performance.

• Journal of Preventive Medicine and Public Health
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• v.35 no.4
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• pp.359-374
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• 2002

Objectives : To develop a physical functioning instrument for older adults living in the community. Methods : A representative sample of 979 people aged 65 years or over were interviewed in-person. Of these, 199 people also completed a detailed in-hospital examination. The scale items were selected based on the frequency of endorsement, along with the item-total and inter-item correlations. The associations of the scale with their physical performance and clinical examination were analyzed to evaluate the criterion-related validity. Construct validity was assessed using factor analysis, and internal consistency through Cronbach's alpha and item-total correlations. Test-retest reliability was measured by agreement between the household survey and the repeat survey at the in-hospital examination. Results : Initially, 23 items on the level of difficulty, ranging from no difficulty to an inability to complete a task, with the specific mobility and self-care tasks were included. Those with a high frequency of endorsement and a low inter-item or item-total correlations were excluded, resulting in a 10-item Physical Functioning (PT) scale. Equal weights were given to each item and a summated score was calculated. Significant associations were found between the PF scores and the physical performance, surrey and clinical data. The scale revealed a 2-factor (mobility and self-care) structure. Cronbach's alpha was 0.92 and the item-total correlations were in the 0.63 to 0.78 range. Pearson's correlations for the test-retest ranged between 0.56 and 0.61. Conclusions : The newly developed Physical Functioning (PF) scale showed good psychometric properties in older people. Further work, however, is needed to improve its sensitivity to discriminate higher levels of functioning, in addition to assessing its predictive value in detecting changes in health.

• Korean Journal of Construction Engineering and Management
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• v.21 no.5
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• pp.20-28
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• 2020

In construction project, an error in quantity information immediately leads to an error in the quotation, highly reliable quantity calculation is required for successful performance of a project. But there is a difficulty in the current situation for the person in charge to review all calculation sheets for quantity review as the quotation work has to be performed in a short period of time. Accordingly, it is thought that a review plan is required to secure reliability on calculated results and the review plan should be able to be carried out within insufficient quotation periods. In the present paper, it is intended to present a plan that enables quantity to be reviewed with the minimum number of persons within the shortest period of time through an algorithm of calculating a verification quantity. The suggested algorithm allows the result of quantity calculation work carried out earlier based on 2-dimensional drawing to be compared, not with an accurate quantity, but within an error range.

• (The)Study of the Eastern Classic
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• no.41
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• pp.445-476
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• 2010

In this essay I aimed to analyze the concept of cultivation in east asian aesthetics. Most people regarded traditional asian paintings as an artwork that was obviously an artwork by artists. Moreover, they emphasized the cultivation of artists in their creation and used to accept the concept of cultivation which means cultivating one's mind. Generally speaking, to cultivate one's mind meant enlarging one's ethical behavior and he or she became a better person. And in creation, it meant considering all things more deeply. In this point of view, it was too vague to notice the meaning. What is an accurate meaning of cultivate artist's mind? What was the relation between creation and cultivation? In confucian philosophy, the concept of cultivation had two meanings. One was to enlarge one's ethical behavior and the other was to improve one's knowledge about things. The knowledge implied all of the one's experiences about things. Thus, the knowledge meant what he communicated with under his surroundings and created. In this perspective, to analyze the case of "Dohwaguenmungi" and "Limchungochi", cultivation was related to 'you(游)' and 'jing(精)'. It implied all of the artist's efforts to make communication with his objects deeper and wider, at last, he created his own meaning about object that he experienced. Therefore, I suggest that when we use the concept of cultivation in the context of creation, it should be used as the meaning related with improving one's knowledge about things.

• Cross-Cultural Studies
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• v.25
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• pp.453-482
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• 2011

Until now and in the studying of fantastic literature, there has been likely to regard the character as secondary element, compared to their actions. However, it has to be recognized that the characters is a barometer to divide the boundary among the marvellous literature, or fantasy, magic realism, etc., in particular it is an important narrative element to understand an epistemological vision of fantastic literature. This thesis analyzes the characters, focusing on two dimensions divided such as between protagonist/antagonist and protagonist narrator/editor narrator. The characters in fantastic literature are usually set-up as people like ourselves, because it is necessary for the readers to consider the supernatural phenomenon as real world situation. The reason why many characters in fantastic literature usually meet a tragic end is that the structure of fantastic literature embedded unresolved supernatural confusion into ordinary order in the end, while antagonists are viewed as holders of extraordinariness and they are far from vero-similarity. Together with usual characters who represent the world of logic and reason, antagonists who seek to understand more about the universe totally and thus regarded as symbols of intuition and imagination and ultimately are the elements of fantastic literature. On the other hand, the "first person narrator" is divided between "protagonist narrator" who narrates the supernatural things through his/her own experience to readers and "editor narrator" who narrates the other's experiences. Particularly in the case of "editor narrator", he/she may narrates the stories with different explication and angle, which lead to hesitation and confusion for readers to identify between reality and unreality or natural logic and supernatural one. Even though there are various categories in fantastic literature, this thesis exclude 'neo fantastic', 'metaphysical fantastic' ones, characterized as a possibility of convergence with the secondary interpretation and symbolic implication. Beyond these materials, the literatures which involved with this thesis and analysis are normally related with traditional fantastic literary works which supernatural events intervene in real world and bring out collision between real and unreal, or natural and supernatural logics. Based on this criteria, this thesis chooses literary works such as "De los Reyes Futuros", "El Perjurio de la Nieve" written by Adolfo Bioy Casares who is a representative author in Latin American fantastic literature.

• Journal of the Korea Convergence Society
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• v.10 no.3
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• pp.49-57
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• 2019

The core technology development of the Fourth Industrial Revolution is linked to the development of other core technologies, which will change the industrial structure in the future and create a new smart business model. In this paper, tried to analyze the technology maturity level and analyze the technology maturity. To do this, used technology trend information to investigate and integrate the market, policy, etc. Of core technology of the 4th Industrial Revolution to achieve a comprehensive maturity level. Because technology maturity measures are scored by technology developers, prejudices may be acted upon according to a person's tendency, which may be a subjective evaluation. It is also a measure of the maturity of individual technologies, and thus is not suitable for evaluating the overall system integration perspective. However, it is possible to evaluate the maturity before integrating the core element technologies constituting the whole system and to use it as a means to compare the effect of the whole system and its feasibility and play an important role in the planning of technology development.

• The Journal of the Korea Contents Association
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• v.18 no.12
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• pp.309-318
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• 2018

In this study, we investigated subjective perceptions of one retailer's PB products for large retailers by applying the Q methodology to examine subjective trends of consumers who purchased and experienced PB products at home. In this study, we examine how HMR-type PB products developed and released by large retailers according to the demographically changing social structure represent the meaning and subjective acceptance of PB products in a single licensee through Q methodological studies. The purpose of this paper is to propose various direction and improvement plan of food product development and release for one license of large distribution company in the future. Based on these research problems, five types of type analysis results were derived. Specifically, the first type (N = 5): Brand image trust type, the second type (N = 5): NB product preference type, the third type(N = 2): Easy cooking preference type, and fourth type (N = 2): Pursuing taste for price type and fifth type (N = 2): Quantitative pursuit for price type.

• Journal of International Area Studies (JIAS)
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• v.22 no.2
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• pp.305-330
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• 2018

The purpose of this article is to examine whether Myanmar's experience in which dealing with the most exemplary change among rogue states or pariah state in the 21st century is feasible for North Korea's case. Recently, North Korea's willingness to dialogue, reform and open is similar to the precedent in which the Myanmar military junta dismantled its ruling system and turned over transition period through general elections in 2010 and 2015 each. The so-called 'Myanmar Model' refers to a country branded as a rogue state which has been under the international sanctions and pressure, and opening its political system and the market by choosing transformation. However, rapid changes in speed across the entire society after opening up are impossible because the political elite is only the leading role and implementation in the transition. In case of Myanmar, military culture has penetrated into society due to such a long-lasting military dictatorship, and even democratic bloc has become accustomed to authoritarian decision-making process. Furthermore, the "reserved area" of the old regime still exists in a deformed political structure that can not retrieve the interests of the military. Therefore there could not be achieved political development in term of qualification. North Korea also appears unlikely to achieve political and economic assessment in a short period of time, as civil society has not appeared due to its long dictatorship and very low economic development levels. Like Myanmar, North Korea is also likely to control the pace and direction of upcoming reforms and open, as the dictator or most powerful person chose to reform and open up. Therefore, if North Korea moves toward the 'Myanmar Model', there will be high expectations of new changes in the short term, but it could be delayed or stalled in the mid and long term.

• The Journal of Korean Philosophical History
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• no.23
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• pp.67-97
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• 2008

In this paper, I found the leadership core-value of the Sunbai(선배) a man of refined taste. I studied twelve Sunbai considered as a man of refined taste in this research. I focused on the aspect showing common worth among their various abilities and cultural contributions, a point of view of classifying them into one form called Sunbai a man of refined taste. As the core value is the basis of supporting the individual identity, so the leadership core-value is the source and philosophical base of displaying the leadership. Our Sunbai combining character and knowledge show common structure in their personal growth and showing the leadership. It is that they embodied the stage of cultivating themselves(修身, Self), considering the relation with others(齊家, Relation), leading the organization(治國, Team), and making efforts for and having influence on the community(平天下, Community) throughout their own life. I examined how to display the leadership in the four fields on a case by case basis and then constructed the leadership model of the Sunbai a man of refined taste by synthesizing them. As a result, I considered their leadership core-value as the intercommunication and named it 'Leadership of Muaesabang(無碍四方)'. Also, I confirmed that it is still very valuable in these days of aiming at the open society and the harmony of the diverse civilization.

• Conservation Science in Museum
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• v.26
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• pp.143-160
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• 2021

The Seoul Baekje Museum has been conducting excavations at the Ancient Tomb Complex in Seokchon-dong, Seoul (Historic Site No. 243), known to be tombs of the royal family and the ruling class during the Hanseong period of the Baekje Kingdom. In this study, gold earrings that were revealed during the excavation underwent scientific analysis and conservation treatment. Stereo microscopy, SEM, X-ray imaging, CT, and XRF were applied in the analysis, and the characteristics, internal structure, and composition of the earrings as well as their production method were investigated. The results confirmed that the main hoops of the gilt-bronze earrings were made of copper cores gilt using mercury amalgamation. The findings also revealed that the hexahedron in the middle pendant was made by connecting small rings using molten gold powder, and the pendant sphere at the end was formed by soldering two hemispheres. As for the two thin-hoop earrings, they showed similar surface compositions but were made using different methods, with one made from a copper core wrapped with a gold plate and the other made by bending a gold rod. The gold content varied depending on the item and the place of measurement, but overall the earrings showed a relatively high gold content of approximately 19 to 21K. The purity of the golden earrings and the sophisticated manufacturing techniques applied indicate the high status of the buried person and of the tomb complex in Seokchong-dong.