• Title/Summary/Keyword: need and demand

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Study of Data-Driven Problem Solving SW Education Program using Micro:bit. (마이크로비트를 활용한 데이터 기반 문제해결 SW교육 방안 연구)

  • Oh, SeungTak;Yu, HeaJin;Kim, BongChul;Kim, JongHun
    • 한국정보교육학회:학술대회논문집
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    • 2021.08a
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    • pp.25-30
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    • 2021
  • With the introduction of AI education in the 2022 Revised Curriculum emphasizing the need for data related education, it is necessary to improve students' data based problem solving skills. This study seeks to study SW education methods to improve students' data based problem solving skills in accordance with these needs. Based on the ADDIE model, the demand analysis survey was conducted on teachers to analyze their needs. Based on the results of the demand analysis, we designed education programs under the theme of data based problem solving skills using microbit. In this study, we raise the importance of data based problem solving and the need for its capabilities. Subsequent studies need to reveal how data based problem solving SW education will demonstrate significant effects on problem solving skills.

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Demand for Classical Music Concerts from Transaction Cost Perspectives (거래비용 관점으로 본 클래식 음악공연 관람수요)

  • Lee, Chang Jin;Kim, Jaibeom
    • Review of Culture and Economy
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    • v.17 no.2
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    • pp.3-28
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    • 2014
  • The characteristics of performing arts differ from those of utilitarian goods in terms of economics. Factors other than price need to be considered to understand the demand for performing arts. Audience surveys as well as econometric demand studies have confirmed that socio-economic factors such as age, income, employment, and education are major determinants of the demand for performing arts. This study focused on the attributes of concerts rather than consumer characteristics to determine the concerts audiences select in terms of transaction cost. Genre, price, internet search trends, and the purpose of performance as well as price are tested as determinants of demand by using the data set for a major concert hall in Seoul. Genre and the specific purpose of concerts influence the demand for concerts. Internet search trends of the performer are used as indicators of popularity and information exposure, which are positively correlated with demand. This result supports the hypothesis that larger audiences would attend concerts that require lower information search costs. To note, price has a positive effect on demand in the higher price range, which means that concerts at higher prices attract larger audiences, whereas normal goods have a negative slope in the demand curve. This result can be explained by the hypothesis that consumers use price as an indicator of the quality expected of a concert. Transaction cost for selecting classical concerts thus forms an inverse-U shape curve against ticket price. These results provide some explanation of why audiences of classical music choose to attend concerts at high ticket prices while offering evidence in favor of the hypothesis that performing arts are selected in a social context.

Analysis of effect on power system considering the maximum penetration limit of wind power (풍력발전 한계운전용량에 대한 계통영향 분석)

  • Myung, Ho-San;Kim, Bong-Eon;Kim, Hyeong-Taek;Kim, Se-Ho
    • Journal of the Korean Solar Energy Society
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    • v.32 no.3
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    • pp.19-25
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    • 2012
  • About supply and demand to see that you need to match, the limitations of wind power capacity is low demand and the commitment of the general generator will exist between the minimum generation. if the turbine's output can be controlled, The limitation of wind power capacity will be adopted based on instant power generation. Namely, The minimum limits of wind power generation based load operation by calculating the amount that is higher than if the output should be restricted to highest operation. in this paper, we committed to the demand for low enough that the combination of the general generator of wind power capacity to accommodate the operation of determining whether the limit is intended to. For this, power system analysis program PSS/E was used, Jeju system by implementing the model simulations were performed.

Development of Web-based Automatic Demand Forecasting Module

  • Kang, Soo-Kil;Kang, Min-Gu;Park, Sun-Won
    • 제어로봇시스템학회:학술대회논문집
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    • 2005.06a
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    • pp.2490-2495
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    • 2005
  • The scheduling of plant should be determined based on the product demands correctly forecasted by reasonable methods. However, because most existing forecasting packages need user's knowledge about forecasting, it has been hard for plant engineers without forecasting knowledge to apply forecasted demands to scheduling. Therefore, a forecasting module has been developed for plant engineers without forecasting knowledge. In this study, for the development of the forecasting module, an automatic method using the ARIMA model that is framed from the modified Box-Jenkins process is proposed. And a new method for safety inventory determination is proposed to reduce the penalty cost by forecasting errors. Finally, using the two proposed methods, the web-based automatic module has been developed.

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A study on the actual condition for remodelling of front balcony in Apartment residence (아파트 전면 발코니 공간 리모델링을 위한 실태조사 연구 - 청주시 지역을 중심으로 -)

  • 이승우;황태주;김정진
    • Korean Institute of Interior Design Journal
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    • no.32
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    • pp.55-63
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    • 2002
  • The purpose of this study is to research on the actual condition for remodelling of front balcony In Apartment residence. It is analysed the theorical study, Question research and the point at issue of balcony space. The results were as follows : First, it has lowered the practical use of balcony space. The resolution at issue need the plan with demand of dwellers. Second, it is classified three categories about demand of dwellers : the space of nature & ecology, utility and finally rest like living function. Third, it is needed the plan that these three categories are mixed properly than separated..

Disclosure of Digitalized Information by Public Agencies (정보공개의 새로운 지향 - 전자정보공개제도(電子情報公開制度)를 중심으로 -)

  • Kyoung, Keon
    • The Korean Journal of Archival Studies
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    • no.5
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    • pp.111-148
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    • 2002
  • Digitalization of public administration information shall be accelerated more. When information exists both in the form of electronic and paper record, even the disclosure of paper record make it possible the access to public administration information itself, but there may some needs for the disclosure of electronic record in applicant's situation. Similarly, when only electronic record exists, there may be some problem about whether to disclose the record as print-out or as being electronic format itself. Thus, the method and format of disclose are very sensitive issues, and it is very important to clarify who has the competence to decide the method and format of disclosure, applicant or the public agency. In making any record available to an applicant under the EFOIA in America, the public agency shall provide the record in any form or format requested by the applicant, if the record is readily reproducible by the agency in that form or format. And for the convenience of the applicant with sensory disability, the AIA in Canada also permits the right to access to information in an alternative format. It is desirable also in our country that disclosure of information is done by public agencies in the format that applicant wants, as possible. In the meantime, we should consider the costs and technological restrictions corresponding to the change of format of information to the format that applicant specifies. In the case of electronic record, efforts required for searching cause some hard problems. Information disclosure system requires disclosure of record that exists at the demand point, and creation of new record that does not exist at that them is not required on the public agency. For the search of electronic information, we need some code or program. So, if we evaluate that act of coding or programming as creation of new record, demand on disclosure of electronic record becomes impossible, in fact. Therefore, when we include electronic record as the object of information disclosure system, we need to clarify the degree of reasonable efforts for searching the information included in that record, as long as possible, although it is very difficult problem. Also, we should consider the way to make it permitted to demand the disclosure of electronic record by FAX or E-mail. Disclosure of electronic record itself by E-mail is not generalized yet, even in America or Canada. There are many technological and legal problems to solve, before permitting or enforcing the disclosure of electronic record by E-mail. But, it is desirable to expand the method of disclosure to including disclosure by E-mail in possible spheres. Also, as well as disclosure on demands, we need to expand electronic access to information, so far as possible, in the process of information offer.

A Road Environment Analysis for the Introduction of Connected and Automated Driving-based Mobility Services from an Operational Design Domain Perspective (자율주행기반 모빌리티 서비스 도입을 위한 운행설계영역 관점의 도로환경 분석)

  • Bo-Ram, WOO;Ah-Reum, KIM;Yong-Jun, AHN;Se-Hyun, TAK
    • Journal of the Korean Association of Geographic Information Studies
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    • v.25 no.4
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    • pp.107-118
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    • 2022
  • As connected and automated driving(CAD) technology is entering its commercialization stage, service platforms providing CAD-based mobility services have increased these days. However, CAD-baded mobility services with these platforms need more consideration for the demand for mobility services when determining target areas for CAD-based mobility services because current CAB-based mobility design focus on driving performance and driving stability. For a more efficient design of CAD-based mobility services, we analyzed the applicability for the introduction of CAD-based mobility services in terms of driving difficulty of CAD and demand patterns of current non-CAD based-mobility services, e.g., taxi, demand-responsive transit(DRT), and special transportation systems(STS). In addition, for the spatial analysis of the applicability of the CAD-based mobility service, we propose the Index for Autonomous Driving Applicability (IADA) and analyze the characteristics of the spatial distribution of IADA from the network perspective. The analysis results show that the applicability of CAD-based mobility services depends more on the demand patterns than the driving difficulty of CAV. In particular, the results show that the concentration pattern of demand in a specific road link is more important than the size of demand. As a result, STS service shows higher applicability compared to other mobility services, even though the size of demand for this mobility service is relatively small.

A Study on the Projected Workforce for Public Health Nurses in Korea (보건간호사 인력수요 추계에 관한 연구)

  • Han, Suk-Jung;Oh, Pok-Ja
    • Research in Community and Public Health Nursing
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    • v.13 no.4
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    • pp.757-766
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    • 2002
  • Purpose: Recently there have been many changes in health care environments in Korea. To perform public health programs effectively and efficiently, it is necessary to analyze and identify the demand and supply for the public health nurses. Method: The study analyzed experts' opinions regarding the supply of public health nurses, as well as national and foreign statistical data on workforce supply of public health nurses. Two methods for estimating the amount of demand for public health nurses were used: one was applying the indicators of developed countries for public health nurses based on population: the other was to refer to regulations and/or recommended guidelines in Korea. Result: 1) The number of public health centers, public health sub-centers, and primary health care posts have decreased between 1990 and 2001, from 260 to 242, 1318 to 1270, 2038 to 1907, respectively. 2) Between 1997 and 2002, the number of public health nurses has also decreased from 5572 to 5112. 3) In the case of applying regulations, the number (5112) of existing public health nurses falls shortly by 942. 4) In 2001, the Korean population per one public health nurse was 9262. 5) In the case of applying regulations, the number of public health nurses required to meet the demand for health services in 2001 and 2020 is estimated at 5932 and 6347, respectively. 6) In the case of applying the indicators of developed countries, the number of public health nurses required to meet the demand for health service in 2001 and 2020 is estimated at 9.469 and 10.310, respectively. Conclusion and suggestions: Because of the importance of public health industry, public health nurses have been approved as a field specialist and specialized nurse practitioner by the newly revised legal regulation, there have been absence of approval of their role differentiation and capability. In addition, organizational activity and insufficient number of the public health nurses have contributed to the inactive utilization of them. As community public health is focused on caring individuals as well as organizations, it requires more autonomy and special skills than other fields. Therefore, public health nurses need to enhance the capability as health educator, consultant, and information management persons through advanced education course for public health nurses. Public health nurses need to be prepared as advanced nurse practitioners by receiving advanced education courses and field experiences.

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STUDY OF RECOGNITION OF MALOCCLUSION AND ORTHODONTIC TREATMENTS (부정교합과 교정치료에 대한 인식변화에 관한 연구)

  • Lee, SShin-Jae;Kim, Tae-Woo;Suhr, Cheong-Hoon
    • The korean journal of orthodontics
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    • v.24 no.1 s.44
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    • pp.193-198
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    • 1994
  • In this study, in order to survey the effect on public recognition in malocclusion and orthodontic treatment by brochures made by Korean orthodontic association, sample were divided into control and experimental group and a questionnaire was inguired and the results were as follows: 1. In the experimental group, frequency of recognition for the need of orthodontic treatment was high, and this indicates dental health behavior and recognition can be inspired by adequate giving of information. 2. Between the control and the experimental group, patterns of the negative opinion was different, and especially the demand for specific orthodontic treatment can be influenced by the content of brochures. 3. The brochures used in this study can call attention to develope the orthodontic aspect for the malocclusion, hereafter more systemic and active measures for development of public dental behavior and recognition should be needed.

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The Study of Elderly Cosmetic Market & Marketing Trend (실버 화장품 시장 현황과 마케팅 동향)

  • Lee, Ju-Yeon
    • Journal of the Korean Society of Fashion and Beauty
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    • v.5 no.2 s.13
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    • pp.23-30
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    • 2007
  • As elderly population has been increasing, our society has to be prepared the social system. Especially female elderly increasing means that market will change and business model should also change. Every women want to be beautiful and looks young and as women get aged, women eager to be younger and beautiful more. The purposes of this study were to find out how was represented in cosmetic market ad and how elderly customers has been changed. In developed society, baby boomer has been increased, and their power of purchase also has been increased in cosmetic market. In our society, cosmetic market has been developing as customer's demand and whitening focused cosmetics has been increasing especially. Elderly skin need more moisture focused cosmetics and for developing the elderly cosmetic market in Korea, we need more research about korean elderly women's social psychological character and customer's character.

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