• Title/Summary/Keyword: Learning management

Search Result 4,704, Processing Time 0.035 seconds

Applied geography:retrospect and prospects (응용지리학 일반의 회고와 전망)

  • ;Lee, Hee-Yeon
    • Journal of the Korean Geographical Society
    • /
    • v.31 no.2
    • /
    • pp.329-345
    • /
    • 1996
  • The purposes of this study are to review research trends of applied geography field, to retrospect geographical works done by Korean geographers in applied geography, and to prospect the future of applied geography. We are in the period where societal problems such as energy, transportation, pollution, environment, health care, and many others, require careful consideration and need throughout strategies for solution. Most societal problems have some geographical dimensions. Because these problems are geographic in nature, there is an obvious implication that geography as a discipline has something to offer in their solutions. In fact, most geographic problems are best presented and analyzed through the applications of geographic theories, concepts and tools. Applied geography is a branch of general geography. It relies on the scientific methods and uses the principles and methods of pure geography. However applied geography is different in that it analyzes and evaluates real world action and planning and seeks to implement and manipulate environmental and spatial realities. Thus, geographic theories and other social theories that have geographic dimensions are fundamental to applied geography. Applied geography has a short history as theme in Korean geography. During the last two decades. Korea achieved remarkable economic growth. We have also encountered widening regional disparity, housing shortage of larger cities, transportation congestion, environmental pollution and many other problems. Applied geographers have tried to analyze and solve such spatial problems during the last 30 years. The research trend of Korean applied geography can be subdivided into 5 categories: (1) land use analysis and efficient utilization, (2) national physical development and planning. (3) regional development and regional planning, (4) tourism and location-allocation, transportation planning. Still the overconcentration of Seoul metropolitan region and unbalanced regional development are perceived to be the serious spatial problems which may induce more works to solve these problems. In Korea new emphasis has to be given to some professional training and experimental learning, including methodology, field techniques data management, statistical analysis, cartography, GIS, and other tools, as applicable and beneficial to problem solving in real world. The growth of applied geography depends on new insights and purposed solutions of future applied geographers in Korea. Applied geographers will contribute to the creation of future Korean geographies.

  • PDF

A Research about Time Domain Estimation Method for Greenhouse Environmental Factors based on Artificial Intelligence (인공지능 기반 온실 환경인자의 시간영역 추정)

  • Lee, JungKyu;Oh, JongWoo;Cho, YongJin;Lee, Donghoon
    • Journal of Bio-Environment Control
    • /
    • v.29 no.3
    • /
    • pp.277-284
    • /
    • 2020
  • To increase the utilization of the intelligent methodology of smart farm management, estimation modeling techniques are required to assess prior examination of crops and environment changes in realtime. A mandatory environmental factor such as CO2 is challenging to establish a reliable estimation model in time domain accounted for indoor agricultural facilities where various correlated variables are highly coupled. Thus, this study was conducted to develop an artificial neural network for reducing time complexity by using environmental information distributed in adjacent areas from a time perspective as input and output variables as CO2. The environmental factors in the smart farm were continuously measured using measuring devices that integrated sensors through experiments. Modeling 1 predicted by the mean data of the experiment period and modeling 2 predicted by the day-to-day data were constructed to predict the correlation of CO2. Modeling 2 predicted by the previous day's data learning performed better than Modeling 1 predicted by the 60-day average value. Until 30 days, most of them showed a coefficient of determination between 0.70 and 0.88, and Model 2 was about 0.05 higher. However, after 30 days, the modeling coefficients of both models showed low values below 0.50. According to the modeling approach, comparing and analyzing the values of the determinants showed that data from adjacent time zones were relatively high performance at points requiring prediction rather than a fixed neural network model.

A Study of Prediction of Daily Water Supply Usion ANFIS (ANFIS를 이용한 상수도 1일 급수량 예측에 관한 연구)

  • Rhee, Kyoung-Hoon;Moon, Byoung-Seok;Kang, Il-Hwan
    • Journal of Korea Water Resources Association
    • /
    • v.31 no.6
    • /
    • pp.821-832
    • /
    • 1998
  • This study investigates the prediction of daily water supply, which is a necessary for the efficient management of water distribution system. Fuzzy neuron, namely artificial intelligence, is a neural network into which fuzzy information is inputted and then processed. In this study, daily water supply was predicted through an adaptive learning method by which a membership function and fuzzy rules were adapted for daily water supply prediction. This study was investigated methods for predicting water supply based on data about the amount of water supplied to the city of Kwangju. For variables choice, four analyses of input data were conducted: correlation analysis, autocorrelation analysis, partial autocorrelation analysis, and cross-correlation analysis. Input variables were (a) the amount of water supplied (b) the mean temperature, and (c)the population of the area supplied with water. Variables were combined in an integrated model. Data of the amount of daily water supply only was modelled and its validity was verified in the case that the meteorological office of weather forecast is not always reliable. Proposed models include accidental cases such as a suspension of water supply. The maximum error rate between the estimation of the model and the actual measurement was 18.35% and the average error was lower than 2.36%. The model is expected to be a real-time estimation of the operational control of water works and water/drain pipes.

  • PDF

A Study on resource plants around the provincial park in Mt. Unmun(Cheongdo-gun, Gyeongsangbuk-do) (운문산(경북 청도) 군립공원 일대의 자원식물상 연구)

  • Park, Seon-Joo;Song, Im-Geun;Park, Seong-Jun;Lee, Won-Hyoung;Jang, Soon-Young;An, Bo-Ram
    • Korean Journal of Plant Resources
    • /
    • v.23 no.4
    • /
    • pp.327-349
    • /
    • 2010
  • This study was carried out to investigate the distribution of vascular plants and their use from 2007 to 2009 in Mt. Unmum(Cheongdo-gun, Gyeongsangbuk-Do). The vascular plants were summarized as 605 taxa including 98 families, 304 genus, 514 species, 3 subspecies, 68 varieties, and 20 forma. Among the investigated 605 taxa, 21 rare and endangered plants, 29 Korean endemic plants were included. Based on the list of specially designated plants by Ministry of Environment, 70 taxa included Iris odaesanensis and Gastrodia elata were recorded in the investigated area. The naturalized plants were identified as 23 taxa and the percent of naturalized index(NI) was 3.8% of total 605 taxa vascular plants. Usage of 605 taxa were consists of 225 taxa(37.2%) of edible plants, 191 taxa(31.6%) of medicinal plants, 64 taxa(10.6%) of ornamental plants, 46 taxa(7.6%) of pasture plants, 18 taxa(3.0%) of timber plants, 14 taxa(2.3%) of fiber plants, and 3 taxa(0.5%) of industrial plants. To management of natural resource, we suppose that it is required to establish an ecological learning area to minimize human disturbance and an effective managemet strategy by continuous monitoring for ecosystem change.

A Study of the Method for Estimating the Missing Data from Weather Measurement Instruments (인공신경망을 이용한 기상관측장비 결측 보완 기술에 관한 연구)

  • Min, Jae-Sik;Lee, Moo-Hun;Jee, Joon-Bum;Jang, Min
    • Journal of Digital Convergence
    • /
    • v.14 no.8
    • /
    • pp.245-252
    • /
    • 2016
  • The purpose of this study is to make up for missing of weather informations from ASOS and AWS using artificial neural networks. We collected temperature, relative humidity and wind velocity for August during 5-yr (2011-2015) and sample designed artificial neural networks, assuming the Seoul weather station was missing. The result of sensitivity study on number of epoch shows that early stopping appeared at 2,000 epochs. Correlation between observation and prediction was higher than 0.6, especially temperature and humidity was higher than 0.9, 0.8 respectively. RMSE decreased gradually and training time increased exponentially with respect to increase of number of epochs. The predictability at 40 epoch was more than 80% effect on of improved results by the time the early stopping. It is expected to make it possible to use more detailed weather information via the rapid missing complemented by quick learning time within 2 seconds.

The Case Study on Convergence Education in Akita International University (아키타 국제교양 대학의 융합교육에 대한 사례연구)

  • Yim, Myung-Seong
    • Journal of Digital Convergence
    • /
    • v.14 no.6
    • /
    • pp.371-380
    • /
    • 2016
  • The aim of this case research is to describe the convergence education of Akita International University. Today, competition among universities in Korea are becoming more and more intensified, its strength is expected to continue to rise. In this situation, the Akita International University provides meaningful implications for universities in Korea. Universities in Japan are at similar situation in Korea. The unique values of Akita that we identified are twofold: The first is internationalization in education. The purpose of the internationalization is for Japanese students. For exchange students, AIU provides japan studies program and japan language program. To do this, AIU forms an international community to mingle Japanese students with foreign exchange students by living and learning together. Second thing is about international liberal arts education. The focus of international liberal arts education is that students acquire comprehensive range of skills and knowledge to build the intellectual foundation for specialist study by providing a broad range of academic disciplines. In doing so, students promotes learner autonomy. Unlike specialized education, in which students acquire an in-depth knowledge of a particular field, providing international liberal arts education is to find a field in which students want to study further. The implications and conclusions are discussed.

A Study on the School Library Research Trends Using Topic Modeling (토픽모델링을 활용한 학교도서관 연구동향 분석)

  • Jung, Young-Joo;Kim, Hea-Jin
    • Journal of Korean Library and Information Science Society
    • /
    • v.51 no.3
    • /
    • pp.103-121
    • /
    • 2020
  • This study aimed to analyze the research trends of school libraries from 1990 to July 2020. To this end, LDA topic modeling analysis was conducted to the domestic article abstracts related to school libraries. The total number of documents is 498 papers published by the four major domestic journals in Library and Information Science. The log-likelihood estimate criterion was used to determine the number of topics for topic modeling. As a result of the study, 27 topics were discovered, then, theory were categorized by eight subject areas: general, institutional system, building/equipment, operation/management, data organization, service, education, and others. The most popular research was library utilization classes (T27) and Information Utilization (T2). More than 20 studies were found in each evaluation index development (T13), school librarian placement (T24), learning information media utilization (T3), community public library (T7), library cooperation (T9), library use (T17), library research (T11), reading education (T4), collection development (T5), and education effects/teaching methods (T18).

Students' and Teachers' Perception on the Roles and Qualifications of Teacher Librarians based on the Semantic Network Analysis (언어네트워크 분석을 통한 사서교사 역할 및 자질에 대한 학생과 교사의 인식 연구)

  • Lee, Yeon-Ok
    • Journal of Korean Library and Information Science Society
    • /
    • v.51 no.3
    • /
    • pp.81-102
    • /
    • 2020
  • The purpose of this study is to examine the students' and teachers' perception about the roles and qualifications of teacher librarians. For this purpose, data were collected through survey from students and teachers at secondary schools and the data were analyzed by semantic network analysis. The results of the research are as follows: First, students usually perceived the role of teacher librarians as 'library management', and teachers did as 'reading education'. Second, among the roles of teacher librarians, it was confirmed that students' and teachers' perceptions of 'information literacy instruction and library instruction' were very weak. Third, while the students' perception of the role of a teacher librarian as a 'teaching collaborator' such as 'teaching and learning support' and 'library assisted instruction and collaborative instruction' was weak, teachers recognized the role of teacher librarians as 'teaching collaborators'. Fourth, students and teachers perceived high levels of 'information service', which consists of 'book recommendation and guide activities'. Finally, it was investigated that 'professionalism' plays a central role in the students' and teachers' perception about the qualities of teacher librarians. These results can be used to establish the role of teacher librarians, develop response strategies for students and teachers, and improve their awareness.

Distribution of Geomorphological Landscape Resources of Goryeong-gun, and Its Application Plan (고령군 지형경관자원의 분포와 활용방안)

  • Son, Myoung-Won
    • Journal of the Korean association of regional geographers
    • /
    • v.14 no.4
    • /
    • pp.279-289
    • /
    • 2008
  • The purpose of this paper is to search for geomorphological landscape resources of Goryeong-gun, to provide fundamental data for their management through mapping their distribution, and to present their conservation and application plan. The results are as follow: Firstly, geomorphological landscape resources in mountain area are Misungsan and Jusan mountain of Goryeong-up, Sangbiri valley of Deoggok-myeon, and isolated hill of Gaejin-myeon. Secondly, geomorphological landscape resources in riparian area are natural wetlands such as Jinchonneup of Bu-ri Gaejin-myeon, Hochonneup and Dalseongseupji of Hochon-ri Dasan-myeon, Bongsanneup of Bongsan-ri Ugok- myeon; artificial wetlands following the construction of weir such as riparian wetland of Oe-ri Goryeong-up and Banun-ri Gaejin-myeon; meander core and abandoned channel of Banun-ri Gaejin -myeon, river cliffs such as Naegok-ri Goryeong-up and Weolo-ri Ugok-myeon; sand bars and braided channel of Yajeong-ri Ugok-myeon. Thirdly, Jinchonneup swamp area of Bu-ri Gaejin-myeon have characteristics of typical floodplain landform, and its conservation conditions is relatively satisfactory, and its accessibility to metropolis is great, so it is a good place to construct eco-park. And construction of inquiry learning place at Banun-ri Gaejin-myeon will increase the opportunity to observe environmental changes following incised meander cutoff and ecological affirmative functions of a weir.

  • PDF

An Analysis of Social Influence on University Students' Job Preferences and Entrepreneurial Intention (대학생의 취업선호도와 창업의도에 관한 사회적 영향관계 분석)

  • Kim, Yu Shin;Sung, Chang-Soo;Park, Joo Y.
    • Journal of Digital Convergence
    • /
    • v.16 no.10
    • /
    • pp.133-143
    • /
    • 2018
  • The purpose of this study is to investigate the reasons for preferring employment and the social influencing factors to improve future entrepreneurial intentions. Especially, this study investigates the influence of social influences such as parents', acquaintances, and individuals' experience of start - ups and employment and entrepreneurship club experiences on career choice of students who prefer employment. For this purpose, qualitative research method was applied to students who selected entrepreneurship career course among college students who completed entrepreneurship education. The results of this study are as follows: stable income, system experience, preference for parents' employment, lack of funds and lack of knowledge on start-ups. In addition, it was found that the intention of start-up is increased according to the experience of start-up of the acquaintance among the social influences of students who prefer employment. The result of this study suggests the methodology and learning direction of entrepreneurship education which can improve entrepreneurship intention and understanding of university students. In addition, this study proposes future research related to entrepreneurship education through empirical analysis.