• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2011.05a
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• pp.831-834
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• 2011

This paper is intended as performance verification of efficient container door Open/Closed detection mechanism for Container Security Device(ConTracer) to container cargo transportation. Container door Open/Closed detection mechanism using Reed sensor is important to satisfies the US Department of homeland security customs and border protections requirements to many types of container door. Also, Verify that the container door is configured correctly and that you can check the illegal opening. In this article, Performance valuation of this Contacer on reed sensor has been verified through field test for each other 30 containers. Once the improvement has been made, we are suggest that propose skills will meet the highest standards for container security safety.

• Journal of Communications and Networks
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• v.11 no.6
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• pp.599-606
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• 2009

For many mission-critical related wireless sensor network applications such as military and homeland security, user's access restriction is necessary to be enforced by access control mechanisms for different access rights. Public key-based access control schemes are more attractive than symmetric-key based approaches due to high scalability, low memory requirement, easy key-addition/revocation for a new node, and no key predistribution requirement. Although Wang et al. recently introduced a promising access control scheme based on elliptic curve cryptography (ECC), it is still burdensome for sensors and has several security limitations (it does not provide mutual authentication and is strictly vulnerable to denial-of-service (DoS) attacks). This paper presents an energy-efficient access control scheme based on ECC to overcome these problems and more importantly to provide dominant energy-efficiency. Through analysis and simulation based evaluations, we show that the proposed scheme overcomes the security problems and has far better energy-efficiency compared to current scheme proposed byWang et al.

• Journal of architectural history
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• v.19 no.5
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• pp.65-80
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• 2010

The purpose of this paper is to investigate into the meaning of the New Brutalism sensed in the late church buildings of the Swedish architect Sigurd Lewerentz (1885-1975). St Mark's (1956-64) and St Peter's (1962-66) churches, his grand finale designs, have a unique architectural vocabulary of rough brickwork. The brick treatment is the basis on which Reyner Banham (1966) discussed him concerning the New Brutalism, and the point that this research focuses on. This paper explores the brutalist character of the buildings from two aspects - interpretational level of individual buildings and historical level of a broader view. First, the character of two churches could be interpreted with the phrase of 'play between brutality and sacredness'. The rough surface of brick and mortar in the buildings symbolises brutality and the vault of their chapels' ceiling sacredness. And the two characteristics meet and play on the rough vault surface. Second, in the historical point of view, this paper argues that the buildings made a giant leap for Swedish modern architecture, which had been at a deadlock owing to the compromising attitude of the New Empiricism since 1940s. And the Swedish New Empiricism (or the New Humanism), spread to Britain as "Welfare State architecture" after World War II, brought about reaction of the young British architects such as the Smithsons and became the background that made the new brutalist mood. However, considering that the term of the New Brutalism was first used in Sweden by Hans Asplund, Lewerentz's brutalist late churches - which seemingly had nothing to do with the British nor the Corbusian lineage - are also meaningful in that they confirmed the tendency in its homeland. In conclusion, this paper argues that St Mark's and St Peter's churches with the brutalist characteristics should be regarded as crucial buildings not only in Lewerentz's personal career but also in Swedish and international architectural history.

• Journal of the Korean Geographical Society
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• v.47 no.6
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• pp.899-920
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• 2012

The purpose of this study is to examine and better understand student's perception of territory in the deterritorialized world. Students' sketch maps were analyzed to investigate the way of which they recognized the form of national territory, border, geographic location, and neighboring countries. In addition, students' values, attitudes, and affection for their homeland and other countries were observed through the awareness of North Korea, DMZ, and Dok-do island. Scrutinizing students' sketch maps and follow-up interviews provided much more in-depth context for understanding students' narratives about territorial identity than did the analysis of structured surveys since they can freely draw and sketch their cognition. A qualitative data analysis builded a code list with 67 codes generated from 626 quotations. These data were exported to CSV format to elicit and evaluate differential variances of territorial identity along with student's Social Studies score and Grade Point Average for inferential statistics and quantitative data analysis using SPSS. Based on the results of data analysis and discussion, some suggestions to build a model of territorial education and to develop teaching and learning materials in the domain of geography education were provided.

• Journal of the Korea Safety Management & Science
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• v.16 no.4
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• pp.451-459
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• 2014

To solve the serious problem of insufficient manpower in medium and small scaled companies, our country allows introduction of foreign manpower for 5 business types such as manufacture industry, service industry, etc. and there are 226,825 people who entered by employment license system(E-9) in Sep. 2013. However, according to the results of investigation "actual status and difficulties of foreign manpower's employment of medium and small scaled manufacturing companies" of KFTA in 2013, 36.4% of respondents responded that current scale of introducing foreign manpower is insufficient to solve difficulties of insufficient manpower in industrial world and 37.7% of them responded that the quarter of new employment is insufficient. So, they hope that current quarter system of foreign manpower can be abolished. Meanwhile, introduction scale of foreign manpower was decided by 53,000 people so as to solve enterprise difficulties in manpower and vitalize economics this year, but illegal aliens are 39,623, more than 17.5%, in Sep. 2013 after employment expiration. Therefore, it becomes serious social problem. Government displays various support businesses so that foreign workers after employment expiration can return to their homeland legally. This thesis intends to find measures to maintain royalty for our country and support their smooth resettlement through the analysis on homecoming support business of foreign workers.

• Journal of Species Research
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• v.1 no.2
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• pp.105-132
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• 2012

The saga of Megascolides orthostichon (Schmarda, 1861)-the first native worm described from Australasia-continues as its type-locality is unequivocally returned from Hobart, Tasmania to Mt Wellington, Auckland where a brief survey failed to unearth it. Since it has not been seen for 150 yrs, it may qualify under NZTCS or IUCN classification as 'Nationally Critical' if not 'Extinct'. New reports are for exotic Megascolecidae Anisochaeta kiwi sp. nov. and A. kiwi mihi sub-sp. nov. plus addition to the NZ faunal list of Australian Anisochaeta macleayi (Fletcher, 1889) that, due to its wide distribution in Australia and now New Zealand, may be a candidate model-species suitably resilient for eco-toxicological culture and monitoring. For holarctic Lumbricidae, new records are of Dendrobaena attemsi (Michaelsen, 1903) and the Murchieona muldali (Omodeo, 1956) morph or subspecies of M. minuscula (Rosa, 1906), neither lumbricid previously uncovered in Asia/Australasia. Also found for the first time outside its East Asian homeland is Eisenia japonica (Michaelsen, 1892) (which is compared to Japanese E. japonica hiramoto sub-sp. nov. and to E. anzac Blakemore, 2011). Records of these exotics plus recent new native species described by the author-including two, Rhododrilus mangamingi and Deinodrilus orcus spp. novae, herein-raise the numbers of megadriles known from New Zealand to 228 (sub-)species in five families. Preliminary mtDNA COI sequence barcodes are presented. Genus Tokea Benham, 1904 is revived on its lack of dorsal pores, losing or gaining some species with Megascolides M'Coy, 1878. An updated checklist of all 228 New Zealand taxa is appended.

• The Journal of the Korea Contents Association
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• v.13 no.7
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• pp.38-50
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• 2013

This paper analyzes director Yang Yong-hi's documentary films "Dear Pyongyang"(2006), "Goodbye, Pyongyang"(2009) and her fiction film "Our Homeland"(2012). These films were produced on the base of the director's autobiographical experience, and raise issue of Jainichi-Korean diaspora who be caught in nation-state; North Korea, South Korea and Japan. With the family narratives crossing Jeju, Osaka, and Pyongyang, these films doubt boundaries be set by nation-state, and seek new breakout space. This paper traces restructuring identity in the tensional heterogeneity of nation-state exaction; Integration, unity, uniform education. In conclusion, these films foresee Korean diaspora's future identity from hybrid identities. It shows Korean diaspora's potential of receptivity, openness and solidarity which are required for Northeast Asian peace and the solution of two Korea's hostility.

• Journal of the Korean Home Economics Association
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• v.50 no.8
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• pp.1-11
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• 2012

The purpose of this study is to compare and analyze the application of raditional elements in Lie Sang bong and Vivienne Tam's Fashion Design. The methods of research, the references to the precedents of prior research, fashion related journals, articles, and websites of designers were examined to analyze how each designer reinterpreted the respective homeland's traditions. The designs of Lie Sang bong and Vivienne Tam studied were from the 2002-03 F/W to the 2012 S/S collections. The results are as follow. First, both designers use traditional marks when reinterpreting the traditional clothes of Korea and China. In the case of Lie Sang bong, traditional Korean marks were linked to the western structure. For Vivienne Tam, designs which revived realistic marks identically were displayed. Second, in terms of the modern reinterpretation of the traditional clothes shapes, there were a number of cases in which the silhouettes of their respective country's traditional clothes were mainly brought into their arts. Lie Sang bong was influenced by the 'line' of traditional Korean design. In addition, the atmosphere of the traditional clothes helped to reanalyze the traditional clothes' figure. In Vivienne Tam's designs, unique Chinese images were produced by, keeping the original form of the Chinese dress. Third, in the use of the traditional ornament techniques, Lie Sang bong partially introduced and applied traditional ornament techniques while Vivienne Tam largely decorated the traditional. Chinese ornaments while directly utilizing the structuring designs.

• Nuclear Engineering and Technology
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• v.52 no.10
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• pp.2250-2261
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• 2020

Accurate localization of radioactive materials is crucial in homeland security and radiological emergencies. Coded-aperture gamma camera is an interesting solution for such applications and can be developed into portable real-time imaging devices. However, traditional reconstruction methods cannot effectively deal with signal-independent noise, thereby hindering low-noise real-time imaging. In this study, a novel reconstruction method with excellent noise-suppression capability based on a multi-layer perceptron (MLP) is proposed. A coded-aperture gamma camera based on pixel detector and coded-aperture mask was constructed, and the process of radioactive source imaging was simulated. Results showed that the MLP method performs better in noise suppression than the traditional correlation analysis method. When the Co-57 source with an activity of 1 MBq was at 289 different positions within the field of view which correspond to 289 different pixels in the reconstructed image, the average contrast-to-noise ratio (CNR) obtained by the MLP method was 21.82, whereas that obtained by the correlation analysis method was 5.85. The variance in CNR of the MLP method is larger than that of correlation analysis, which means the MLP method has some instability in certain conditions.

• Cross-Cultural Studies
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• v.38
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• pp.297-329
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• 2015

Since 1989 about one million Jews from Former Soviet Union have immigrated to Israel. Now Russian speaking Jews are the second largest ethnic groups after the Israeli Jews who were born in Israel. Although FSU Jews have returned to their ethnic homeland, they continue to live as 'foreigners' due to a cultural distance between sending and receiving society, such as, lack of knowledge about Jewish tradition and religious practice and low level of Hebrew proficiency. Because of this reason FSU immigrants tend to continue remain strong ties with Russian language and culture. There are several reasons for such a relatively slow process of language shift of FSU Jewish immigrants, the language shift to Hebrew. Firstly, majority of FSU immigrants moved to Israel since the 1990s are older than 45. Secondly, their first residences in Israel are mostly located in small and mid-sized cities, where the proportion of Russian speaking immigrants is more than 30%. And finally they consider Russian culture is 'superior' to Israel's Levantine culture. For many Jewish diasporic communities, Judaism was a dominant factor for self-consciousness, but because of Soviet regime, aimed to break all the religious institution including Jewish, Soviet Jewry was uprooted from their religious traditions. Besides about 30% of FSU immigrants are not defined as Jews by the Jewish religious law(Halakhah). And many of them are reluctant to convert to Judaism. FSU Jewish immigrant agree that Israel must be a Jewish state, but for them 'Jewish' does not include religious elements. FSU immigrants consider that religious affiliation of citizens of Israel should not affect their civic rights.