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Design and Performance Analysis of High Performance Processor-Memory Integrated Architectures (고성능 프로세서-메모리 혼합 구조의 설계 및 성능 분석)

  • Kim, Young-Sik;Kim, Shin-Dug;Han, Tack-Don
    • The Transactions of the Korea Information Processing Society
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    • v.5 no.10
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    • pp.2686-2703
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    • 1998
  • The widening pClformnnce gap between processor and memory causes an emergence of the promising architecture, processor-memory (PM) integration In this paper, various design issues for P-M integration are studied, First, an analytical model of the DRAM access time is constructed considering both the bank conflict ratio and the DRAM page hit ratio. Then the points of both the performance improvement and the perfonnance bottle neck are found by the proposed model as designing on-chip DRAM architectures. This paper proposes the new architecture, called the delayed precharge bank architecture, to improve the perfonnance of memory system as increasing the DRAM page hit ratio. This paper also adapts an efficient bank interleaving mechanism to the proposed architecture. This architecture is verified !II he better than the hierarchical multi-bank architecture as well as the conventional bank architecture by executiun driven simulation. Eight SPEC95 benchmarks are used for simulation as changing parameters for the cache architecture, the number of DRAM banks, and the delayed time quantum.

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Convergence approach to weight control behavior and online clothing product shopping (체중조절행동과 온라인의류쇼핑에 대한 융합적 접근)

  • Kim, Wha-Sun;Lee, Kyu-Hye
    • Journal of Digital Convergence
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    • v.13 no.7
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    • pp.79-88
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    • 2015
  • This study focused on the idea that consumers who are dissatisfied with their body form tend to be more interested in weight control behavior. This research connects this relationship with consumers' risk perception on the internet and consequent decision hesitation behavior. Empirical results extracted three factors of weight control behavior: diet, physical treatment, and medication and exercise. Weight control behavior was different by gender but not by age. Consumers who were dissatisfied with their body form were likely to do exercise, but other types of dissatisfaction (weight dissatisfaction and height dissatisfaction) were not significantly related to weight control behavior. Weight dissatisfaction influenced perceived size risk significantly when shopping online. Diet, physical treatment, and medication had significant influence on perceived size risk when shopping online. Perceived size risk had significant influence on decision delay and offline switch behavior. This study took a convergence approach, which connects consumer characteristics with online shopping behavior.

Observation Training Research of Stanislavski School for Creating the Role (역할 창조를 위한 스타니슬랍스키 학파의 관찰훈련 연구)

  • Ha, Byoung-Hun
    • The Journal of the Korea Contents Association
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    • v.17 no.1
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    • pp.585-593
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    • 2017
  • This study is about an observation, namely, the starting point of a role creation with playing a bridge role regarding the work of the role at the work with oneself in the actor training program of the stanislavsky school called the bible about the reenactment acting which is the most basic study of the performance, and in the circumstance of theatrical circles of Korea, which relatively have a lack of the research as mentioned earlier, it described the necessity, usefulness and types of the observation as well as methods of a stepwise observation. First of all, actors should capture observing targets suitable for a role in the play, and if the targets were captured, he needs to imitate and then learn it by using his own body In addition, it must go through the process of an extended application by an adjustment, an amplification, and the application depending on the circumstances of the role after understanding the principle of physical behavior. Also, in order to overcome the simple duplication of outward appearance, making it his own should be conducted through the process of learning it by body and identification by attempting empathy, and for become not the process of the observations which can be partially and fragmentarily finished but the whole acts handling the whole play, it requires the actors to continuously make efforts to create the role, designed to be appropriate for the role while comprehensively arranging each behavior of fragmented figures.

A Bible Didactical Approach to Bibliodrama on the Metaverse Platforms (메타버스 플랫폼을 통한 비블리오드라마 구현에 대한 성서 교수학적 접근)

  • Seo, Mikyoung
    • Journal of Christian Education in Korea
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    • v.69
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    • pp.45-75
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    • 2022
  • The purpose of this study is to explore the implementation of Bibliodrama on the metaverse platforms. In other words, to create interesting and effective Bible education for modern learners, this study took a didactical approach to the implementation of Bibliodrama through the metaverse. The main reason to be enthusiastic about using the metaverse for education is because users, who have been only content consumers, now able to experience and create values. As a Bible didactical approach, Bibliodrama is a an emphatical and communicative learning method in the form of role play. Bibliodrama seeks to interact with the world of the learner and the world of the Bible through improvisational acting, to study the Bible. Through the Bible didactical approach, the meeting of Bibliodrama and the metaverse can have a positive effect on modern learners, in terms of improving learning environment and, above all else, increasing learning interest. In terms of biblical didactics, implementing Bibliodrama in the metaverse has the following advantages. First, it helps to construct a dramatic situation and environment so that the meaning of the biblical text can be proved relevant to today's learners, not something belonging to the past. Second, in the metaverse, the historical space and characters of the Bible can be realized in virtual reality to produce a 'situational play'. Demonstrating freedom, imagination and creativity in the metaverse learners play in Bibliodrama. This way they also become aware of the hidden meaning of the blank pages in the Bible. Third, the metaverse environment is not static but dynamic and interactive; Bibliodrama pursues an interpretation that harmonizes spirit and body. Therefore, through the dynamic activities of discovering the meaning and significance of the Bible, it is possible to form a holistic faith in which spirit and body act as one.

Controlling Particle Motion and Attribute Change by Fuzzy Control (퍼지제어에 의한 파티클 움직임 및 속성변화 제어)

  • Kang, Hwa-Seok;Choi, Seung-Hak;Eo, Kil-Su;Lee, Hong-Youl
    • Journal of the Korea Computer Graphics Society
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    • v.2 no.1
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    • pp.7-14
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    • 1996
  • A particle system is defined as a collection of primitive particles that together represent irregular and ever-changing objects such as smoke, clouds, waterfalls, and explosions. A particle system can be a powerful tool for modeling a deformable object's motion and change of form since it has dynamic properties with time. As an object becomes more complicated and shows more chaotic behavior, however, we need much more parameters for describing its characteristics completely. Consequently, the conventional particle system leads to difficulty in managing all of the parameters properly since one parameter can affect the others. Moreover, motion equations for representing particles' behavior are usually approximated to gain speed-ups. The inevitable errors in calculating the equations can cause an unexpected outcome. In this paper, we present a new approach of applying fuzzy contol to mage particles' motion and attributes changes over time. We also give an implementation result of a fuzzy particle system to show the feasibility of the proposed method. Applications of the system to explosions, nebulae, volcanos, and grass are presented.

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A Study on the Financing Methods and Risk Management for Expansion of Overseas Investment Infrastructure Projects (해외투자개발형 인프라사업 확대를 위한 금융조달 및 위험관리 방안)

  • Jung, Chang-Go
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.37 no.2
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    • pp.427-435
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    • 2017
  • Korea's overseas construction awards reached US $750 bn for more than 50 years since it first entered the market in 1966. In particular, the company won US $540 bn over 10 years from 2007, achieving 72% of the total contracts. However, in recent two years, awarded amounts have decreased by 40% each year. The most significant decline is due to the impact of international oil prices, which have plummeted since end of 2014, as oil-producing nations, which are Korea's major target countries, are struggling to cancel or postpone infrastructure orders. In order to lessen the impact of raw material price fluctuations, the recent trend is that even countries with relatively loose government financing conditions are rapidly changing their ordering methods to investment development forms such as PPP. The Korean government and companies have been already preparing for this for several years, but they are still not doing so well. The main reason is the lack of understanding about the investment development type project, especially financing methods and the aggravated fear of exposing it to various risks due to the characteristics of the development project, which takes a long time to collect the investment. In this paper, I propose a more systematic solution to financial process and risk management, which is recognized as a obstructive factor for Korean companies, in line with the recent government-led establishment of overseas infrastructure development support organizations. I would like to serve as a investment guide.

Fire Detection using Deep Convolutional Neural Networks for Assisting People with Visual Impairments in an Emergency Situation (시각 장애인을 위한 영상 기반 심층 합성곱 신경망을 이용한 화재 감지기)

  • Kong, Borasy;Won, Insu;Kwon, Jangwoo
    • 재활복지
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    • v.21 no.3
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    • pp.129-146
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    • 2017
  • In an event of an emergency, such as fire in a building, visually impaired and blind people are prone to exposed to a level of danger that is greater than that of normal people, for they cannot be aware of it quickly. Current fire detection methods such as smoke detector is very slow and unreliable because it usually uses chemical sensor based technology to detect fire particles. But by using vision sensor instead, fire can be proven to be detected much faster as we show in our experiments. Previous studies have applied various image processing and machine learning techniques to detect fire, but they usually don't work very well because these techniques require hand-crafted features that do not generalize well to various scenarios. But with the help of recent advancement in the field of deep learning, this research can be conducted to help solve this problem by using deep learning-based object detector that can detect fire using images from security camera. Deep learning based approach can learn features automatically so they can usually generalize well to various scenes. In order to ensure maximum capacity, we applied the latest technologies in the field of computer vision such as YOLO detector in order to solve this task. Considering the trade-off between recall vs. complexity, we introduced two convolutional neural networks with slightly different model's complexity to detect fire at different recall rate. Both models can detect fire at 99% average precision, but one model has 76% recall at 30 FPS while another has 61% recall at 50 FPS. We also compare our model memory consumption with each other and show our models robustness by testing on various real-world scenarios.

A Study on the Dramatic Function of Stage Manager in 『Our Town』 (『우리읍내(Our Town)』의 무대감독(stage manager) 배역에 나타난 극적 기능)

  • Lee, Sin-Young
    • Journal of Korea Entertainment Industry Association
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    • v.14 no.4
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    • pp.155-167
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    • 2020
  • The stage manager role of "Our Town"(1938), a representative work of Thornton Wilder(1897-1975), is a unique theatrical device that presents a wide range of interesting and diverse perspectives in the actor's acting approach, the director's stage-shape methodology, and the audience's theater experience. Why did Wilder call stage manager role a stage manager, not just a simple narrator? Because "Our Town" intentionally lacks the basic elements that dramas must have, it needed a more self-reliant and omnipotent role in creating the margins of dramatic writing, including boldly omitted time and space, with infinite imagination. For this reason, stage manager role plays a much more complex and multi-functional role than a narrator. In response, this paper accurately articulates the concept of theatrical style and theatrical convention on the premise of the stage manager role in "Our Town," followed by making theatrical convention, the director of scene progress and scene change, the messenger of the writer's thoughts, and dramatic rhythm control.

ICT Medical Service Provider's Knowledge and level of recognizing how to cope with fire fighting safety (ICT 의료시설 기반에서 종사자의 소방안전 지식과 대처방법 인식수준)

  • Kim, Ja-Sook;Kim, Ja-Ok;Ahn, Young-Joon
    • The Journal of the Korea institute of electronic communication sciences
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    • v.9 no.1
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    • pp.51-60
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    • 2014
  • In this study, ICT medical service provider's level of knowledge fire fighting safety and methods on coping with fires in the regions of Gwangju and Jeonam Province of Korea were investigated to determine the elements affecting such levels and provide basic information on the manuals for educating how to cope with the fire fighting safety in medical facilities. The data were analyzed using SPSS Win 14.0. The scores of level of knowledge fire fighting safety of ICT medical service provider's were 7.06(10 point scale), and the scores of level of recognizing how to cope with fire fighting safety were 6.61(11 point scale). level of recognizing how to cope with fire fighting safety were significantly different according to gender(t=4.12, p<.001), age(${\chi}^2$=17.24, p<.001), length of career(${\chi}^2$=22.76, p<.001), experience with fire fighting safety education(t=6.10, p<.001), level of subjective knowledge on fire fighting safety(${\chi}^2$=53.83, p<.001). In order to enhance the level of understanding of fire fighting safety and methods of coping by the ICT medical service providers it is found that: self-directed learning through avoiding the education just conveying knowledge by lecture tailored learning for individuals fire fighting education focused on experiencing actual work by developing various contents emphasizing cooperative learning deploying patients by classification systems using simulations and a study on the implementation of digital anti-fire monitoring system with multipoint communication protocol, a design and development of the smoke detection system using infra-red laser for fire detection in the wide space, video based fire detection algorithm using gaussian mixture mode developing an education manual for coping with fire fighting safety through multi learning approach at the medical facilities are required.