Park, Kyung-Shin;Chung, Eun-Sung;Kim, Sang-Ug;Lee, Kil-Seong
Journal of Korea Water Resources Association
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v.42
no.12
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pp.1103-1111
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2009
This study derived the analysis results of alternatives for integrated watershed management under urbanization and climate change scenarios. Climate change and urbanization scenarios were obtained by using SDSM (Statistical Downscaling Method) model and ICM (Impervious Cover Model), respectively. Alternatives for the Anyangcheon watershed are reuse of wastewater treatment plant effluent, and redevelopment of existing reservoir. Flow and BOD concentration duration curves were derived by using HSPF (Hydrological Simulation Program - Fortran) model. As a result, low flow ($Q_{99},\;Q_{95},\;Q_{90}$) and BOD concentration ($Q_{10},\;Q_5,\;Q_1$) were very sensitive to the alternatives comparing to high flow($C_{30},\;C_{10},\;C_1$). Although urbanization makes the hydrological cycle distorted, effective alternatives can reduce its damage. The numbers of days to satisfy the instreamflow requirements and target water quality were also sensitive to urbanization. This result showed that the climate change and urbanization should be considered in the water resources/watershed and environmental planning.
An, Tea-Ki;Shin, Jeong-Ryol;Kim, Gab-Young;Yang, Se-Hyun;Choi, Gab-Bong;Sim, Bo-Seog
Proceedings of the KSR Conference
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2011.05a
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pp.1701-1708
/
2011
A typical day in the subway transportation is used by hundreds of thousands are also concerned about the safety of the various workrooms with high underground fire or other less than in the subway users could be damaging even to be raised and there. In 2010, in fact, room air through vents in the fire because smoke and toxic gas accident victims, and train service suspended until such cases are often reported. In response to these incidents in subway stations, even if the latest IT technology, wireless sensor network technology and intelligent video surveillance technology by integrating fire and structural integrity, such as a comprehensive integrated surveillance system to monitor the development of intelligent urban transit system and are under study. In this study, prior to the application of the monitoring system into the field stations, authors carried out the ZigBee-based wireless sensor networks performance analyzation in the Chungmuro station. The test results at a communications room and ventilation room of the station are summarized and analyzed.
This paper aim; to develop the National R&D Information Navigation System(NRnDINS) that is convenient and easy to use by the researchers on the basis of information filtering and visualization by converging and integrating the three types of the contents, namely, paper, report and project at the stage of development of the information system An information system is developed by establishing ontology and RDF on the three types of contents, and by applying information filtering and semantic search technology after having created the prototype for the screen by reflecting the user needs analysis and information visualization elements surveyed at the previous stage of information service planning. In this paper, to make the measure for information filtering, R&D navigation index is prosed and implemented, and NRnDINS capable of integrated search of the R&D contents through information visualization is developed. Also, for the testing of the developed system, the preference survey for its design by 1m persons and usability test of the system by 10 users are performed The result of the survey on the preference for the design is affirmative with 85% of the subjects finding it favorable and the composite receptivity is good with the score of 87.2 the results of the usability test. However, it was also found that further development of the personalization functions is needed. It is hoped that the R&D navigation index of the proposed and implemented in this paper would present quantitative objectivity and will induce further development of other information filtering index of contents in the future.
A maritime object detection system is an intelligent assistance system to maritime autonomous surface ship(MASS). It detects automatically floating debris, which has a clash risk with objects in the surrounding water and used to be checked by a captain with a naked eye, at a similar level of accuracy to the human check method. It is used to detect objects around a ship. In the past, they were detected with information gathered from radars or sonar devices. With the development of artificial intelligence technology, intelligent CCTV installed in a ship are used to detect various types of floating debris on the course of sailing. If the speed of processing video data slows down due to the various requirements and complexity of MASS, however, there is no guarantee for safety as well as smooth service support. Trying to solve this issue, this study conducted research on the minimization of computation volumes for video data and the increased speed of data processing to detect maritime objects. Unlike previous studies that used the Hough transform algorithm to find the horizon and secure the areas of interest for the concerned objects, the present study proposed a new method of optimizing a binarization algorithm and finding areas whose locations were similar to actual objects in order to improve the speed. A maritime object detection system was materialized based on deep learning CNN to demonstrate the usefulness of the proposed method and assess the performance of the algorithm. The proposed algorithm performed at a speed that was 4 times faster than the old method while keeping the detection accuracy of the old method.
Journal of The Korean Association of Information Education
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v.21
no.4
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pp.451-462
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2017
This study selected 3D printing that is highly likely to be adopted in schools. This research was conducted in two stages: 1) proposing the learning activity framework for utilizing 3D printing in education, and 2) exploring the potential of integrating 3D printing in the school field. The '3D printing learning activity framework' proposed in this study includes four phases that are categorized according to the complexity of problem-solving processes and collaborative interaction: Step 1 as production through replication, Phase 2 as means of imaginary expression, Phase 3 as near problem-solving, and Phase 4 as expanded problem-solving. Next, we conducted the field study with 23 students in the 6th grade math class where they learned the various solid shapes and volumes through 3D printing-integrated activities. The lesson was considered as Phase 1, which is the production through replication. Overall, the results showed that the participants had positive perceptions about the efficacy of 3D printing activities, the quality of learning experience, and satisfaction. On the other hand, it was found that the usability of 3D printers and CAD program needs further improvement The contribution of this study can be found in the learning activity framework that can guide 3D printing activity design in school, and in the exploration of enhancing the connection between 3D printing activities and curricular relevance beyond simple interest toward a novel technology.
Journal of the Korean BIBLIA Society for library and Information Science
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v.21
no.4
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pp.49-66
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2010
The development of modern science and technology has a tremendous impact on culture and communication. Therefore a library that typically serves to collect, arrange and provide information is required to perform more diversified roles to stay abreast with changing modern society. Recent surge in demand for public library construction or remodeling is expected, but we still are in an actual condition that there is no model about the library spatial operation which considers the type and a service size of library. the purpose of this study is to examine the conditions for the rational and systematic spatial management of public library in today`s changing information society, to make a case study on the state of spatial management, and to suggest the efficient rearrangement of spatial component as a solution. In this study, for rapid assembly and remodeling business plan of the library can be referred to, we should do following things for the development of a standard model which has a rational space operations that correspond to the library features and services size. Firstly, analyze the space configuration of our nation's public libraries. Secondly, collect and analyze the libraries' spatial configuration in our nation and at abroad. Thirdly, define the next stretch of public library buildings by their types and develop a reasonable model as to the spatial configuration and present it.
Journal of the Korean Society for Library and Information Science
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v.42
no.2
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pp.147-170
/
2008
Evaluation of an academic library is a key to its success. Library and Information Policy Bureau of the President of the Republic of Korea conducted a trial evaluation on academic libraries with a university evaluation index developed by KERIS in 2005. The committee decided to review its feasibility based on the feedbacks from the academic libraries after the trial. This study aims to address the indexing issues appeared during the trial and suggest a new evaluation index tailored to academic libraries. First, the evaluation field is condensed from 7 to 6 as "financing" and "infrastructure" are integrated into "budget and infrastructure." Secondly, both "user charter" and "planning" are removed from the "library management" field category. and "library self-assessment" is added instead. In "information resource" field, "non-books and etc." is added. Third, evaluation categories for "budget and infrastructure" field are altered to budget-related items and library equipment. Forth, "collection turnover rate" category is incorporated into "collection usage" in "information usage" field, and "library use rate" in "information service" field is moved to "information resource" field and renamed as "use rate."
Kim, Tae Woo;Yun, Hong Sik;Lee, Dong Ha;Kim, Gun Soo;Koh, Young Chang
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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v.31
no.3
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pp.183-192
/
2013
As a worldwide trend, the spatial information that is established by country, institution and purpose is integrated into the data with a single spatial reference to improve the data connectivity and usability. In this study, a new national single origin plane rectangular coordinate system was studied to efficiently respond to the changes in the spatial reference according to the introduction of a new national geodetic standard and to the demand of seamless data service in the spatial information sector. For this purpose, the Korean Peninsula was set as the projection region and the projection distortion in the projection region was analyzed. The projection parameters were defined to homogenize and minimize the projection distortion, and their standardization and registration on the international organizations were conducted. The study on the required optimal projection equation resulted in the Hooijberg projection equation and projection parameters (${\Phi}$, ${\lambda}$, K, N, E) resulted in $38^{\circ}N$ and $128^{\circ}E$ projection origin, and a scale factor of 0.99924. The proper false northing and easting were 700,000m N and 400,000m E, respectively, considering the introduction of country station index system.
Objectives: The Clinical Decision Support System (CDSS), which analyzes and uses electronic health records (EHR) for medical care, pursues patient-centered medical care. It is necessary to establish the CDSS in Korean medical services for objectification and standardization. For this purpose, analyses were performed on the points to be followed for CDSS implementation with a focus on herbal medicine prescription. Methods: To establish the CDSS in the prescription of Traditional Korean Medicine, the current prescription practices of Traditional Korean Medicine doctors were analyzed. We also analyzed whether the prescription support function of the electronic chart was implemented. A questionnaire survey was conducted querying Traditional Korean Medicine doctors working at Traditional Korean Medicine clinics and hospitals, to investigate their desired CDSS functions, and their perceived effects on herbal medicine prescription. The implementation of the CDSS among the audit software developers used by the Korean medical doctors was examined. Results: On average, 41.2% of Traditional Korean Medicine doctors working in Traditional Korean Medicine clinics manipulated 1 to 4 herbs, and 31.2% adjusted 4 to 7 herbs. On average, 52.5% of Traditional Korean Medicine doctors working in Traditional Korean Medicine hospitals adjusted 1 to 4 herbs, and 35.5% adjusted 4 to 7 herbs. Questioning the desired prescription support function in the electronic medical record system, the Traditional Korean Medicine doctors working at Korean medicine clinics desired information on 'medicine name, meridian entry, flavor of medicinals, nature of medicinals, efficacy,' 'herb combination information' and 'search engine by efficacy of prescription.' The doctors also desired compounding contraindications (eighteen antagonisms, nineteen incompatibilities) and other contraindicatory prescriptions, 'medicine information' and 'prescription analysis information through basic constitution analyses.' The implementation of prescription support function varied by clinics and hospitals. Conclusion: In order to implement and utilize the CDSS in a medical service, clinical information must be generated and managed in a standardized form. For this purpose, standardization of terminology, coding of prescriptions using a combination of herbal medicines, and unification such as the preparation method and the weights and measures should be integrated.
This paper studies changes in people's social security awareness during Lee Myung-Bak government, and based on the result, suggests future Park Geun-Hye government's social-security-related administration management plan. In specific, the changes in people's social security awareness in the period of 2008 ~ 2012 have been analyzed, and the result has been utilized to draw suggestions on the future social-security-related administration management plan The result is as the following: First, comprehensive social-security-related policy must be continuously pushed. In terms of the fact that social security is closely related to people's daily lives and life itself, every major component of social security cannot be overlooked. Therefore, comprehensive administration management and policies on each of those components are necessary. Second, social security policies must be reinforced enough for people to actually witness. In case of crime rate, 57.1% of people are pointing it as one of the main causes of social unrest; therefore, this national anxiety must be met with focusing awareness on the subject nation-widely and with thorough national defense preparedness. Third, mutual cooperation between social-security-related branches, and systematic management within the each branches are required. In order to systematically manage every aspect of social security, not only the big agencies - such as Ministry of Security and Public Administration, Ministry of National Defense, Prosecution Service, or National Police Agency -, but most of other parts of administration must cooperate as well. Fourth, consistency in social security policies is necessary. As Park Geun-Hye government's administrative slogans are, "secure and integrated society," "establishing a foundation for happy unification era," which are similar to that of previous administration, the administration should be consistent on its social-security-related politics, rather than differentiating themselves from the previous administration.
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