• Proceedings of the Korean Society of Disaster Information Conference
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• 2017.11a
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• pp.109-110
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• 2017

전국적으로 도시재생에 대한 연구와 사업이 진행되고 있는 시점에서 창원시의 마을흔적보전사업은 지역 맞춤형 도시재생의 한 가지 사례가 될 수 있다. 마을흔적보전사업은 재개발, 재건축으로 사라지는 옛 마을의 흔적을 보전하여 주민들의 추억과 마을역사, 공동체 문화를 이어주는 도시재생사업의 일환이다. 마을흔적보전사업은 현대산업발전의 시대적 산물이며 주민들의 공통된 추억과 기억이 담긴 공간과 환경이 도시개발과정에서 멸실되는 것을 방지한다. 또 지역의 문화적 가치를 창출함으로서 '지역맞춤형 도시재생'을 실현하는 한 가지 실천적 방법이 될 수 있다.

• The Korean Journal of Zoology
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• v.26 no.1
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• pp.29-40
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• 1983

The differences in the electron microscopic fine structures of the wing imaginal discs of the vestigial (vg), wing mutant and wild type of Drosophila melanogaster were investigated. The materials used in this study were collected at ten hours intervals from the late third instar larvae of the both stocks. The fine structural changes during differentiation were as follows: 1. In wild type lipid droplets were coalesced and converted to glycogen, while no changes were observed in the mutatn vestigial. 2. Degeneration of the cells by phagocytosis were observed not only from the mutatn vestigial, but from the wild type. However, degenerative feature of the wild type was poor. 3. Dented structures of tracheole showed little differences between wild type and the mutant vestigial. But the tracheole diameter of the wild type became wider in the course of differentiation, while the mutant vestigial narrow. Although mutant vestigial develops normally during early embryogenesis, the late third instar larvae shows defficiency in gluconeogenesis, converting fatty acid to glycogen. This, together with the predominant cell degeneration by phagocytosis and poorly developed tracheole, seems to effect on the expression of the vestigial phenotype.

• The Journal of the Korea Contents Association
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• v.11 no.9
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• pp.76-84
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• 2011

This paper describes the development of the media art environment concept, in which the user's interaction becomes visual arts in both digital and analogue media. It describes AD-Trace, an experimental media art component that investigates the aesthetic and technological possibilities through the development of interactive media artworks that utilizes that the traces of the user's interaction. The AD-Trace consists of three design components: Analogue Trace, Digital Trace, and Interaction Metaphor to guide user interactions with user's understanding. Three artworks are proposed to demonstrate the real world applications of the concept: AD-PD(analogue digital picture diary), AD-Star (analogue digital star), and AD-Map (analogue digital map).

• Journal of Korean Society for Geospatial Information Science
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• v.19 no.4
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• pp.91-99
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• 2011

With increasing astronomically damage costs caused by frequent and large-sized flood, a hazard map containing comprehensive analysis results such as inundation trace investigation, flood possibility analysis, and evacuation plan establishment for flooded regions is a fundamental measure of non-structural flood prevention. Though an inundation trace map containing flood investigation results occurred by typhoon, rainfall and tsunami is a basic hazard map having close relationship with a flood possibility map as well as a hazard information map, it is often impossible to be produced because of financial deficiency, time delay of investigation, and the lack of maintenance for flood traces. Therefore, this study proposes the accuracy enhancement procedure of inundation trace map with flood damage information and three-dimensional Digital Elevation Model (DEM) for the past frequent flooded regions according to a guideline for inundation trace map of National Emergency Management Agency (NEMA).

• Journal of the Korean Geographical Society
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• v.48 no.3
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• pp.453-465
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• 2013

This paper aims to reveal that 'identity' plays the crucial role of explaining the relation between humans and space. Geography is preoccupied with footprints of humans which are engraved on the ground. It explores why such tokens are left over. It explains the existence of humans through footsteps of them. Men leaves traces of themselves to notify that who I was and who we were. The traces left behind by humans contain narratives of their own. Through those narratives, the very men who left the traces on the ground are to be grasped. A trace engraved by a person expresses its own identity of representing that person, so the narrative contained by one trace is the narrative of that individual. The identify which is composed of its own narrative can be largely divided into two types. The two are 'changing identity' and 'unchanging identity'. 'Changing identity' shapes the identity of oneself by difference. 'Unchanging identity' constructs the identity by identifying itself with sameness. However, as one's figure in everyday life becomes identical or different, identity also varies through processes of generation and repetition. Therefore, identity is currently changing and in progress.

• KIPS Transactions on Computer and Communication Systems
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• v.2 no.6
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• pp.279-290
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• 2013

In digital forensics log files have been stored as a form of large data for the purpose of tracing users' past behaviors. It is difficult for investigators to manually analysis the large log data without clues. In this paper, we propose a text mining technique for extracting intrusion logs from a large log set to recommend reliable evidences to investigators. In the training stage, the proposed method extracts intrusion association words from a training log set by using Apriori algorithm after preprocessing and the probability of intrusion for association words are computed by combining support and confidence. Robinson's method of computing confidences for filtering spam mails is applied to extracting intrusion logs in the proposed method. As the results, the association word knowledge base is constructed by including the weights of the probability of intrusion for association words to improve the accuracy. In the test stage, the probability of intrusion logs and the probability of normal logs in a test log set are computed by Fisher's inverse chi-square classification algorithm based on the association word knowledge base respectively and intrusion logs are extracted from combining the results. Then, the intrusion logs are recommended to investigators. The proposed method uses a training method of clearly analyzing the meaning of data from an unstructured large log data. As the results, it complements the problem of reduction in accuracy caused by data ambiguity. In addition, the proposed method recommends intrusion logs by using Fisher's inverse chi-square classification algorithm. So, it reduces the rate of false positive(FP) and decreases in laborious effort to extract evidences manually.

• Journal of Astronomy and Space Sciences
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• v.12 no.2
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• pp.204-215
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• 1995

We observed SL-9 impact sites on Jupiter with a CCD and a R filter on the KyungHee University 30-inch telescope between July 17 and September 3, 1994. We identified impact sites of A, C, E, G, H, K, L, Q1, W and G-group, We calculated the moving velocity relative to System II and rotation period of the G, L sites to be from -8.0 to 8.8m/s, and $9^h55^m39.4^s\pm34^s$, respectively. The diameters of G and L sites in our first observation were $1.95\times10^4km,\;and\;2.20\times10^4km$, respectively. In particular, we investigated the evolution of the impact sites by calculating the diffusing rates of the impact clouds.

• Congress of the korean instutite of fire investigation
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• 2011.04a
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• pp.137-160
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• 2011

본 사고분석을 통해 154 kV 절연부싱에서의 폭발사고에 대한 원인을 규명하였다. 결과적으로, 절연부싱의 사양은 국제표준에 적합하였다. 사고당일 기록된 자료에 의하면 R상과 S상에서 거의 동시에 지락사고가 발생하였으며, 지락지속시간은 약 75 ms로써 사고의 영향을 준 시간은 약 67 ms인 것으로 나타났다. R상은 아크에 의한 탄화 흔적, S상은 아크에 의한 탄화흔적과 외부열에 의한 탄화흔적, T상은 외부열에 의한 탄화흔적, 용융흔적은 R상과 S상의 케이블접속부와 플랜지에서 각각 발생하였다. S상의 절연부싱을 이용하여 탄화패턴 중 아크에 의한 것과 일반 열에 의한 것을 분류하여 연면방전이 발생한 것을 입증하였다. 사고추정 시나리오는 현장조사과정에서 나타난 현상과 목격자 진술, 사고원인 분석자료 등을 토대로 하여 작성되었다. 따라서 사고추정을 통해 분석된 자료는 아크생성단계, 열폭주 단계, 폭발단계, 화재단계로 구성하였다. 사고원인 가능성은 사고의 원인, 형태, 영향을 통해 나타난 연결고리를 검토하여 가능성이 낮은 부분을 배제하는 방식으로 진행되었다. 절연부싱의 사고원인은 표면의 오염물질 부착 가능성이 가장 높았다. 이를 근거로 하여 제조, 시공, 관리적 측면에서의 방지대책을 고려하는 것이 바람직할 것으로 판단된다.

• Communications of Mathematical Education
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• v.23 no.3
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• pp.507-522
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• 2009

In general, we do fold paper and unfold, it remain paper traces. We can be obtained by using rectangular paper, a mathematical fact and the program had a combination. Depending on the direction of the rectangle, folding paper in the form of variety shows valley and ridge signs of the appearance of this paper. By using (0,1)-code and (0,1)-matrix, we study four kinds of research. Therefore, traces of this view upside down rectangle folding paper how to fold inductive reasoning ability of the code and explore the relationship of traces. Finally, the mathematical content and program development can practice in the field.

• Fire Science and Engineering
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• v.19 no.1 s.57
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• pp.59-69
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• 2005

There were little available data of vehicular incendiary fires. We investigated fires by inflammable gasoline and papers. cloths in the interior and exterior of vehicles. Fires in the interior and exterior of vehicles were carried out under the several conditions by incendiary methods and vehicle's windows. We knew that dominant factor of combustion is direction of wind at that time in vehicle's fire. And we knew that the other mark of combustion pattern in vehicle's fire could be a clue for solving the problem in discerning the place to which we sotted fire between the general fire and arson.