• Title/Summary/Keyword: 생명 주기

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An Analysis of Data Science Curriculum in Korea (데이터과학 교육과정에 대한 분석적 연구)

  • Lee, Hyewon;Han, Seunghee
    • Journal of the Korean Society for Library and Information Science
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    • v.54 no.1
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    • pp.365-385
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    • 2020
  • In this study, in order to analyze the current status of the data science curriculum in Korea as of October 2019, we conducted an analysis of the prior studies on the curriculum in the data science field and the competencies required for data professional. This study was conducted on 80 curricula and 2,041 courses, and analyzed from the following perspectives; 1) the analysis of the characteristics of data science domain, 2) the analysis of key competencies in data science, 3) the content analysis of the course titles. As a result, data science program in Korea has become a research-oriented professional curriculum based on an academic approach rather than a technical, vocational, and practitional view. In addition, it was confirmed that various courses were established with a focus on statistical analysis competency, and interdisciplinary characteristics based on information technology, statistics, and business administration were reflected in the curriculum.

Effects of Media, Culture Peroids, Sucrose and Dextrose on Tropane Alkaloid Production in Hairy Root Cultures of Hyoscyamus niger L. (사리풀 (Hyoscyamus niger L.) 모상근의 Tropane Alkaloid 생성에 미치는 배지, 배양주기, Sucrose 및 Dextrose의 영향)

  • 최철희;김용해;양덕조
    • Korean Journal of Plant Tissue Culture
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    • v.26 no.2
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    • pp.77-83
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    • 1999
  • We have investigated the effect of culture conditions on tropane alkaloids (scopolamine, hyoscyamine) production in hairy root cultures of Hyoscyamus niger L. induced by Agrobacterium tumefaciens $A_4$T. SH medium was the best for tropane alkaloids production from the hairy root clones, HN18 and HN57. The optimum culture peroid was 5 weeks for HN18 clone and 6 weeks for HN57 clone, respectively. The optimum sucrose and dextrose concentrations in tropane alkaloids productivity were 3% and 2%, respectively. The growth of both HN18 and HN57 clones increased with as sucrose concentration increase up to 7% sucrose, but tropane alkaloid contents was significantly decreased. In the HN18 clone, the optimum concentration of sucrose for alkaloids productivity was 5% and those of dextrose was 2%. The productivity of tropane alkaloids for HN57 clone under dextrose treatments was quite a low level compared to sucrose treatments.

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Suggestion of a Digital Curation Framework for Historical Contents (역사콘텐츠 활용을 위한 디지털 큐레이션 프레임워크 제안)

  • Lee, Hyewon
    • Journal of Korean Society of Archives and Records Management
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    • v.16 no.3
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    • pp.235-256
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    • 2016
  • This study suggested a digital curation framework for supporting the digital policy of institutes that collect memory. As such, it conducted a literature review and an analysis of digital curation models, as well as a focus-group interview of historians and graduate students majoring in historical studies. In this study, digital curation framework refers to an abstract model for supporting policy development and the planning for a high-level view of the archival information service. This implications of this framework are as follows: (1) to emphasize the data life cycle and connection between stages and actions; (2) to make an infra-schema for understanding institutes that create, arrange, or store specific data as the same history contents have to be provided by different institutes and as there are differences in the data's value; (3) to check the present conditions of information services and their systems; (4) to consider the practical applications of contents that have been collected and stored; and (5) to converge all data in one system through the framework and activate diverse works in the context of the framework.

A Study on the Security Management System Model for the Information Security of the Aviation infrastructure (항공기반시설의 정보보호를 위한 보안관리체계 모델에 관한 연구)

  • Jung, Chang-Hwa;Lee, Joon-Taik;Chung, Dong-Keun
    • The Journal of Society for e-Business Studies
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    • v.16 no.4
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    • pp.87-96
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    • 2011
  • The importance of the security management system for the aviation infrastructure cannot be overemphasized. What is especially important on the security management system for it is the assessment that is detaild and systematic. This article presents a framework based on a Hanulcha-type security management system model for a Information security of the Aviation infrastructure. This system checks, estimates and analyzes the goal of security with effect, especially in case of the security-accident on the aviation infrastructure because this system model gives the integrated security assessment method.

A Design and Implementation on Ontology for Public Participation GIS (시민참여형 GIS를 위한 온톨로지 설계 및 구현)

  • Park, Ji-Man
    • Journal of the Korean Geographical Society
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    • v.44 no.3
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    • pp.372-394
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    • 2009
  • This study investigates the ontology-based public participation GIS(PPGIS). The major reason that ontology-based GIS has attracted attention in semantic communication in recent year is due to the wide availability of geographical variable and the imminent need for turning such recommendation into useful geographical knowledge. Therefore, this study has been focused on designing and implementing the pilot tested system for public participation GIS. The applicability of the pilot tested was validated through a simulation experiment for history tourism in Guri city Gyeongi-do, Focused on the methodology, the life cycle model which involves regional statues and user recognition, can be viewed as an important preprocessing step(specification, conceptualization, formalization, integration and implementation) for recommended geographical knowledge discovery by axiom. Focusing on practicality, ontology in this study would be recommended for geographical knowledge through reasoning. In addition, ontology-based public participation GIS would show integration epistemological and ontological approach, and be utilized as an index which is connected with semantic communication. The results of the pilot system was applied to the study area, which was a part of scenario. The model was carried out using axiom of logical constraint in the meaning of human-activity.

A Study on the Object Security in Distributed Computing Environment (분산 컴퓨팅 환경에서 객체 보안에 관한 연구)

  • Song, Gi-Beom;Lee, Jeong-Ki;Park, Chan-Mo;Roh, Jeong-Hee;Lee, Gwang;Lee, Joon
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2002.05a
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    • pp.477-480
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    • 2002
  • Transparency of position that provide quick service regardless of physical position to users in distribution computing environment is getting into prominence and is developed in component form that many application softwares take advantage of distributed object technology. Because design object in distribution computing environment and OMG introduces OMA for embody, defined CORBA by standard of distributed object technology on OMA's abstract picture object model. Security service in CORBA platform is very important. Present object security service in distribution computing environment that refer standard of sorority and security models of distribution computing platform in CORBA in this treatise and follow in CORBA security service rules.

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Quantitative Analysis of Gartner's "Hype Cycle for Emerging Technologies" (가트너 "부상하는 기술을 위한 Hype Cycle"의 정량적 분석)

  • Park, Yoo-hyun
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.22 no.8
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    • pp.1041-1048
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    • 2018
  • Gartner's Hype Cycle model is widely used to describe technology maturity, acceptability, and commercialization. In the Hype Cycle model, the techniques go through five stages, those are Innovation Trigger(first stage), stage Peak of Inflated Expectations(second stage), Trough of Disillusionment(third stage), Slope of Enlightenment(fourth stage) and Plateau of Productivity(fifth stage). In many studies, Hype Cycle is widely used as a basis for future prediction of technology, but the verification is somewhat lacking. In this paper, we analyzed the technologies that appeared in the Hype Cycle for the emerging technologies from 1995 to 2017. Through this, we found technologies that appeared as non first stage when first appearing, and techniques that showed a reversal of the maturity stage. In addition, we found that none of the technologies from 1995 to 2017 had gone through stages 1-5.

Improving Estimative Capability of Software Development Effort using Radial Basis Function Network (RBF 망 이용 소프트웨어 개발 노력 추정 성능향상)

  • Lee, Sang-Un;Park, Yeong-Mok;Park, Jae-Hong
    • The KIPS Transactions:PartD
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    • v.8D no.5
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    • pp.581-586
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    • 2001
  • An increasingly important facet of software development is the ability to estimated the associated coast and effort of development early in the development life cycle. In spite of the most generally sued procedures for estimation of the software development effort and cost were linear regression analysis. As a result of the software complexity and various development environments, the software effort and cost estimates that are grossly inaccurate. The application of nonlinear methods hold the greatest promise for achieving this objects. Therefore this paper presents an RBF (radial basis function) network model that is able to represent the nonlinear relation for software development effort, The research describes appropriate RBF network modeling in the context of a case study for 24 software development projects. Also, this paper compared the RBF network model with a regression analysis model. The RBF network model is the most accuracy of all.

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Improving Estimation Ability of Software Development Effort Using Principle Component Analysis (주성분분석을 이용한 소프트웨어 개발노력 추정능력 향상)

  • Lee, Sang-Un
    • The KIPS Transactions:PartD
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    • v.9D no.1
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    • pp.75-80
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    • 2002
  • Putnam develops SLIM (Software LIfecycle Management) model based upon the assumption that the manpower utilization during software project development is followed by a Rayleigh distribution. To obtain the manpower distribution, we have to be estimate the total development effort and difficulty ratio parameter. We need a way to accurately estimate these parameters early in the requirements and specification phase before investment decisions have to be made. Statistical tests show that system attributes are highly correlation (redundant) so that Putnam discards one and get a parameter estimator from the other attributes. But, different statistical method has different system attributes and presents different performance. To select the principle system attributes, this paper uses the principle component analysis (PCA) instead of Putnam's method. The PCA's results improve a 9.85 percent performance more than the Putnam's result. Also, this model seems to be simple and easily realize.

A Plan for Improvement of Usability in Extreme Programming (극한 프로그래밍의 사용성 향상 방안)

  • Lee, Sang-Jun;Bae, Seok-Chan
    • The KIPS Transactions:PartD
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    • v.11D no.3
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    • pp.635-648
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    • 2004
  • Extreme programming is the most representative methodology among agile software development methodologies that is agile in business environment which change fast. As software industry is matured, usability of software quality characteristics is emphasized gradually, but effort to obtain usability in extreme programming is insufficient. In this paper, three things lacked in extreme programming are reinforced. First, roles of user interface expert are defined. Second, usability testing method to extreme programming are introduced. Third, development process and products are proposed. The proposed plan is validated by four methods, which analyze supporting software development life cycle, analyze satisfaction of CMM key process areas, analyze satisfaction of CMM practices, and analyze development of green tea shopping mail. Green tea shopping mall is improved 23% in the estimated running time, 21% in the learnability. Also, usability is improved 18% in the heuristic evaluation and 16% in the questionnaire method.