• Title/Summary/Keyword: Takeover Time

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A Study on Safety Education in Life Science Inquiry Activity for Students in Science High School, Middle and High Schools (과학고등학교 및 중등학교 학생들의 생명 과학 탐구활동 시 안전교육에 대한 연구)

  • Cha, Hyeon-Jeong;Kim, Dae-Jae
    • Korean Educational Research Journal
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    • v.38 no.3
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    • pp.167-188
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    • 2018
  • The purpose of this study is to suggest safety education on life science inquiry activity, which subjects on the exploration and autonomous research to the relevant topics, mainly done by the science high school students. Investigation was made on subjects of research activity proposed from Life science and autonomous research from science high school students by examine thoroughly 2009 revised education curriculum. To prevent school laboratory accidents, education of basic safety regulations and general precautions should be repeatedly notified by clear statements and expression to each topic. Expressing the safety factors considering the themes of autonomous inquiry and activities presented in the course of education should be done, so that students should not experience laboratory accidents by reason of ignorance. From the beginning of organization to performing research, safety rules about disposing chemicals and tools wastes occurring during research should be noticed and expressed in precautions following waste disposal system should be adopted. It is necessary to level up the accessibility of information about the laboratory safety rules to confirm to the every student, and also ensure the takeover of the clean-up and use of utilities at the time of search end in order to prevent the incidence of laboratory accidents during the thorough stages of biological inquiry activities.

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Directions for Developing Database Schema of Records in Archives Management Systems (영구기록물관리를 위한 기록물 데이터베이스 스키마 개발 방향)

  • Yim, Jin-Hee;Lee, Dae-Wook;Kim, Eun-Sil;Kim, Ik-Han
    • The Korean Journal of Archival Studies
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    • no.34
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    • pp.57-105
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    • 2012
  • The CAMS(Central Archives Management System) of NAK(National Archives of Korea) is an important system which receives and manages large amount of electronic records annually from 2015. From the point of view in database design, this paper analyzes the database schema of CAMS and discusses the direction of overall improvement of the CAMS. Firstly this research analyzes the tables for records and folders in the CAMS database which are core tables for the electronic records management. As a result, researchers notice that it is difficult to trust the quality of the records in the CAMS, because two core tables are entirely not normalized and have many columns whose roles are unknown. Secondly, this study suggests directions of normalization for the tables for records and folders in the CAMS database like followings: First, redistributing the columns into proper tables to reduce the duplication. Second, separating the columns about the classification scheme into separate tables. Third, separating the columns about the records types and sorts into separate tables. Lastly, separating metadata information related to the acquisition, takeover and preservation into separate tables. Thirdly, this paper suggests considerations to design and manage the database schema in each phase of archival management. In the ingest phase, the system should be able to process large amount of records as batch jobs in time annually. In the preservation phase, the system should be able to keep the management histories in the CAMS as audit trails including the reclassification, revaluation, and preservation activities related to the records. In the access phase, the descriptive metadata sets for the access should be selected and confirmed in various ways. Lastly, this research also shows the prototype of conceptual database schema for the CAMS which fulfills the metadata standards for records.