• Title/Summary/Keyword: Communication Action

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Analysis of Localization in Rural area: A Case of Mori village (농산촌의 지역 활성화 활동의 실태분석 - 충청북도 영동군 학산면 모리를 사례로 -)

  • Jeong, Sock-Ho
    • Journal of the Korean association of regional geographers
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    • v.14 no.6
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    • pp.767-780
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    • 2008
  • In this study, the structure and management of social group with each town, leadership with self-action and network with external organizations will be the main topic. Especially, the condition which make a communication with external organizations for localization is examined as an example of Mori village. As rice productivity has more serious problems than 1990s, many farming systems changed from rice productions to different kinds, like grapes. Particularly, this market and field started with the exchange system between local farms and cities because of the complex structure of grape circulation and increasing import for extra income. Extra income of farming is started to increase because of exchange program between local towns and cities. But, those works are concentrated on one or two leaders. It could be a burden for them. So. we need to change this into new system which the work is not concentrated to few leaders but distribute to everyone.

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Review of the Role of Dragging in Dynamic Geometry Environments (역동기하 환경에서 "끌기(dragging)"의 역할에 대한 고찰)

  • Cho, Cheong Soo;Lee, Eun Suk
    • School Mathematics
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    • v.15 no.2
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    • pp.481-501
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    • 2013
  • The purpose of this study is to review the role of dragging in dynamic geometry environments. Dragging is a kind of dynamic representations that dynamically change geometric figures and enable to search invariances of figures and relationships among them. In this study dragging in dynamic geometry environments is divided by three perspectives: dynamic representations, instrumented actions, and affordance. Following this review, six conclusions are suggested for future research and for teaching and learning geometry in school geometry as well: students' epistemological change of basic geometry concepts by dragging, the possibilities to converting paper-and-pencil geometry into experimental mathematics, the role of dragging between conjecturing and proving, geometry learning process according to the instrumental genesis perspective, patterns of communication or discourse generated by dragging, and the role of measuring function as an affordance of DGS.

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A Study on Competency Education through Capstone Design in the Junior College for the Visual Design Major (전문대학 시각디자인과의 캡스톤디자인을 통한 직무교육에 관한 연구)

  • Song, Ji-Young;Kim, Sun-Wha
    • The Journal of the Korea Contents Association
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    • v.16 no.6
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    • pp.183-192
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    • 2016
  • The purpose of this paper is firstly to research the Capstone Design Learning Model which helps the students to acquire practical industrial skills and knowledge in real business fields, and secondly to analyze the qualitative effectiveness of this model in respect of knowledge, skill and attitude which NCS(National Competence Standards) suggest in industrial design field. In order to study, the second-year students taking the class 'Communication and Design Project(CDP)' of Industrial Design Major of DIT, took part in the Capstone Design Project and proceeded a project 'Character design of the entertainer Robert Holley' in cooperation with a relevant company and the professor in charge of this project. Through this research, it appeared that Capstone design related to visual design tasks improved the technical skills and competence of the students majoring in design. In other words, through analyzing questionnaire survey based on NCS, evaluation from relevant company, and awarding a prize of the design contest, we conclude that this instruction design and action plans have significant meanings to promote the students on-the-job competence.

Prints as Avant-garde Language of Mass Culture (대중문화의 전위 언어로서 프린트)

  • Yim, Young-Kil;Kim, Sook-Young
    • The Journal of the Korea Contents Association
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    • v.9 no.2
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    • pp.181-192
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    • 2009
  • Prints in the contemporary art has the radical aspects at not only to maintain the characteristic of printmaking in a field of visual image but also to fulfill and communicate a desire of the public. We can see this from the change of the printmaking forms among the alternation of diverse expression methods and media such as from the line-cut at the Renaissance to colored print process, photography, the beginning of 20th century cartoons, advertisement, art, and graphic poster. From that, we can understand the printmaking as a fluid media, not fixed, has finely accomplished its functions as an act of visual language to smoothly communicate with the individual desire and character than word or language at the complex and various cultural surface. This study is focused on that prints as an avant-garde language in popular culture. Therefore, I have examined the following two aspects. First, with focussing at the specific characters of the graphic posters, I try to define the differences between language and visual language and the effect from it to our emotional perception and behavior with the politic and economic point of view. Second, how has the printmaking art as an fine arts finely accomplished an linguistic action. These are the purpose of this study.

Improved RFID Authentication Protocol using Hash Lock (해쉬락을 이용한 개선된 RFID 인증 프로토콜)

  • Bae Woo-Sik;Jang Gun-Oh;Han Kun-Hee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.7 no.4
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    • pp.635-641
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    • 2006
  • On the wireless-communication between Electronic Tag of RFID system and Reader, there are some existing problems with weaknesses of security such as spoofing, replay, traffic analysis, position tracking, etc., in the established hash-lock related algorithm. This paper has presented the comparison and analysis of the established hash-lock related algorithm for privacy and in order to make up for this, also suggested a new security authentication algorithm based on hash which has an authentication protocol and creates hash function by using random numbers received from the reader on real-time and every session. The algorithm suggested is able to make RFID wireless authentication system offer a several of usefulness and it has an advantage to reduce the amount of calculations compared to established algorithm. It also uses just the tags needed among a lot of tags around which are expected later and it is expected to reduce a responsibility of the server by ending unnecessary tags' action with time based.

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An Energy Effective Protocol for Clustering Ad Hoc Network

  • Lee, Kang-Whan;Chen, Yun
    • Journal of information and communication convergence engineering
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    • v.6 no.2
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    • pp.117-121
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    • 2008
  • In ad hoc network, the scarce energy management of the mobile devices has become a critical issue in order to extend the network lifetime. Therefore, the energy consumption is important in the routing design, otherwise cluster schemes are efficient in energy conserving. For the above reasons, an Energy conserving Context aware Clustering algorithm (ECC) is proposed to establish the network clustering structure, and a routing algorithm is introduced to choose the Optimal Energy Routing Protocol (OERP) path in this paper. Because in ad hoc network, the topology, nodes residual energy and energy consuming rate are dynamic changing. The network system should react continuously and rapidly to the changing conditions, and make corresponding action according different conditions. So we use the context aware computing to actualize the cluster head node, the routing path choosing. In this paper, we consider a novel routing protocol using the cluster schemes to find the optimal energy routing path based on a special topology structure of Resilient Ontology Multicasting Routing Protocol (RODMRP). The RODMRP is one of the hierarchical ad hoc network structure which combines the advantage of the tree based and the mesh based network. This scheme divides the nodes in different level found on the node energy condition, and the clustering is established based on the levels. This protocol considered the residual energy of the nodes and the total consuming energy ratio on the routing path to get the energy efficiently routing. The proposed networks scheme could get better improve the awareness for data to achieve and performance on their clustering establishment and messages transmission. Also, by using the context aware computing, according to the condition and the rules defined, the sensor nodes could adjust their behaviors correspondingly to improve the network routing.

3DImmersion Type Virtual Environment System : Training Interruption-free Live-Line Workers (무정전 활선작업 피교육자를 위한 3차원 몰입형 가상환경 교육시스템의 개발)

  • 정영범;박창현;김기현;장길수
    • The Transactions of the Korean Institute of Electrical Engineers A
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    • v.53 no.1
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    • pp.22-30
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    • 2004
  • As an information-oriented society comes, many people use PC and depend on database that network server has. However, the online data can be missed when a blackout happens and also a power failure effects on standard of judgment on Power Quality. Thus, it is reason of a trend using interruption-free live-line work when a trouble happens to power system. However, the 83% among the number of people who receive an electric shock experience when a laborer is doing interruption-free live-line works. In interruption-free method, the education and the training problem has been issued. However, we have a few instructors for that training. Furthermore, the trainees have short training period, just 4 weeks. In this paper, to develope the method that has no restriction of a time and place and reduce the wasteful materials, immersion type virtual reality(or environment) technology is used. The users of a 3D immersion type VR training system can interact with the system by doing same action in the real safe environment. Thus, it can be valuable to apply this training system to a dangerous work like as "Interruption-free live-line work exchanging COS(Cut-Out-Switch)". In this program, the user works with a instruction on the window and speaker and can't work other tasks until each part of the task completed. The workers using this system can use their hands and viewpoint movement as he is in a real environment but the trainee can't use all parts and senses of a real body with the current VR technology. Despite of this weak point, when we consider the trends of improvement in electrical devices and communication technology, we can say that 3D graphic VR application has a high potentiality.

A Fault Tolerant Control Technique for Hybrid Modular Multi-Level Converters with Fault Detection Capability

  • Abdelsalam, Mahmoud;Marei, Mostafa Ibrahim;Diab, Hatem Yassin;Tennakoon, Sarath B.
    • Journal of Power Electronics
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    • v.18 no.2
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    • pp.558-572
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    • 2018
  • In addition to its modular nature, a Hybrid Modular Multilevel Converter (HMMC) assembled from half-bridge and full-bridge sub-modules, is able to block DC faults with a minimum number of switching devices, which makes it attractive for high power applications. This paper introduces a control strategy based on the Root-Least Square (RLS) algorithm to estimate the capacitor voltages instead of using direct measurements. This action eliminates the need for voltage transducers in the HMMC sub-modules and the associated communication link with the central controller. In addition to capacitor voltage balancing and suppression of circulating currents, a fault tolerant control unit (FTCU) is integrated into the proposed strategy to modify the parameters of the HMMC controller. On advantage of the proposed FTCU is that it does not need extra components. Furthermore, a fault detection unit is adapted by utilizing a hybrid estimation scheme to detect sub-module faults. The behavior of the suggested technique is assessed using PSCAD offline simulations. In addition, it is validated using a real-time digital simulator connected to a real time controller under various normal and fault conditions. The proposed strategy shows robust performance in terms of accuracy and time response since it succeeds in stabilizing the HMMC under faults.

A Study on Adaptive Learning Model for Performance Improvement of Stream Analytics (실시간 데이터 분석의 성능개선을 위한 적응형 학습 모델 연구)

  • Ku, Jin-Hee
    • Journal of Convergence for Information Technology
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    • v.8 no.1
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    • pp.201-206
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    • 2018
  • Recently, as technologies for realizing artificial intelligence have become more common, machine learning is widely used. Machine learning provides insight into collecting large amounts of data, batch processing, and taking final action, but the effects of the work are not immediately integrated into the learning process. In this paper proposed an adaptive learning model to improve the performance of real-time stream analysis as a big business issue. Adaptive learning generates the ensemble by adapting to the complexity of the data set, and the algorithm uses the data needed to determine the optimal data point to sample. In an experiment for six standard data sets, the adaptive learning model outperformed the simple machine learning model for classification at the learning time and accuracy. In particular, the support vector machine showed excellent performance at the end of all ensembles. Adaptive learning is expected to be applicable to a wide range of problems that need to be adaptively updated in the inference of changes in various parameters over time.

Cancer Registration in India - Current Scenario and Future Perspectives

  • Chatterjee, Sharmila;Chattopadhyay, Amit;Senapati, Surendra Nath;Samanta, Dipti Rani;Elliott, Leslie;Loomis, Dana;Mery, Lesly;Panigrahi, Pinaki
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.8
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    • pp.3687-3696
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    • 2016
  • Cancer registration, an important component of cancer surveillance, is essential to a unified, scientific and public health approach to cancer prevention and control. India has one of the highest cancer incidence and mortality rates in the world. A good surveillance system in the form of cancer registries is important for planning and evaluating cancer-control activities. Cancer registration in India was initiated in 1964 and expanded since 1982, through initiation of the National Cancer Registry Program (NCRP) by the Indian Council of Medical Research. NCRP currently has twenty-six population based registries and seven hospital based registries. Yet, Indian cancer registries, mostly in urban areas, cover less than 15% of the population. Other potential concerns about some Indian registries include accuracy and detail of information on cancer diagnosis, and timeliness in updating the registry databases. It is also important that necessary data collection related quality assurance measures be undertaken rigorously by the registries to ensure reliable and valid information availability. This paper reviews the current status of cancer registration in India and discusses some of the important pitfalls and issues related to cancer registration. Cancer registration in India should be complemented with a nationwide effort to foster systematic investigations of cancer patterns and trends by states, regions and sub populations and allow a continuous cycle of measurement, communication and action.