• Title/Summary/Keyword: 지식속성

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A Knowledge-Based Query Processing System for an Information Agent (정보에이전트를 위한 지식 기반(동물) 질의 처리 시스템)

  • 오정옥;변영태
    • Proceedings of the Korean Information Science Society Conference
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    • 1998.10c
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    • pp.102-104
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    • 1998
  • 본 시스템은 현재 연구 개발중인 정보에이전트 시스템의 일부로서 특정분야에 대한 사용자의 관심 주제에 관련된 정보와 함께 적절한 문서를 제공하는 지식 기반 시스템이다. 이러한 목적을 위해서 본 시스템의 지식베이스는 구조적인 방식으로 표현된 BKB(Biology Knowledge Base)와 DIC(DICtionary)로 구성된다. DIC는 특정분야에서 일반적으로 사람들이 사용하는 용어와 학명을 기준으로 하는 시스템에서 사용하는 용어와의 관계와 그러한 용어들간의 동의어 관계를 갖고 있다. 또한 BKB는 동물에 관련된 지식베이스로써 상위.하위 개념과 함께 사용자가 원하는 정보를 제공하기 위해 객체의 속성과 이에 관계된 값들을 포함한다. 본 시스템은 문서를 검색할 때 사용자 초기 질의를 상위.하위 개념 그리고 동의어로 확장할 뿐만 아니라 사용자 의도의 정확한 표현을 위해서 제공하는 다양한 질의 형식에 따른 질의 처리 결과로도 확장하므로 효과적인 문서 검색 결과를 보인다.

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Knowledge Ecosystem for Science & Technology Information (과학기술정보 Knowledge Ecosystem 구축)

  • Park, Kyongseok;Kim, Eunsun;Moon, Youngho
    • Proceedings of the Korea Information Processing Society Conference
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    • 2010.11a
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    • pp.361-364
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    • 2010
  • Knowledge Ecosystem은 지식이 자연생태계와 유사한 속성을 가지고 있다는 가정과 관점으로부터 출발한다. 이는 지식과 지식 그리고 이를 생성하고 활용하는 주체와 주체가 생태계의 복잡한 네트워크로 연결되어 다양한 진화와 소멸의 과정을 거치는 과정으로 이해하고 이를 현실세계에 반영하여 긍정적 측면에서 지식을 확대재생산하거나 강화하고 부정적 측면을 약화시키는 과정으로 이해할 수 있다. 이러한 과정은 인위적 개입이나 통제보다는 생태계의 자연스러운 현상에 기반하여 이를 활성화하는데 근본적인 목적이 있다. 본 논문에서는 과학기술정보를 활용하여 연구개발을 수행하고 이를 통해 신제품개발 및 사업화를 수행하는 과학기술정보 커뮤니티에 Knowledge Ecosystem을 개발, 적용한 사례를 중심으로 시스템의 개념과 성과에 대해 설명하고자 한다.

Composition and Attributes of Modeling Instructions and Factors of Teacher Competence in Elementary Science Classes: A Qualitative Meta-Analysis (초등과학 모델링 수업의 구성과 속성 및 교사 역량 요인에 대한 질적 메타 분석)

  • Kim, Hyun-Ju;Lim, Chae-Seong;Lee, Ki-Young
    • Journal of Korean Elementary Science Education
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    • v.42 no.3
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    • pp.434-454
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    • 2023
  • This study explored the composition and attributes of modeling instructions and factors of teacher competence in elementary science classes. The study also examined educational research papers regarding modeling instruction cases in elementary schools and elementary teachers' perceptions of modeling instructions using qualitative meta-analysis, which can integrate findings from qualitative research. This investigation led to creating a small group to compose modeling instructions. Furthermore, the modeling approach was demonstrated to go through the process of generating, evaluating, and modifying the model. The attributes of modeling instructions can be divided into factors that affect modeling instructions and competence factors necessary for students participating in modeling instructions. The factors affecting modeling instructions included "small group interactions" and "time limitation in classes." The competence factors necessary for students participating in modeling instructions included "scientific knowledge," "meta-modeling knowledge," and the "ability to control emotions." The teacher competence factors in modeling instructions regarding knowledge, function, and attitude were explored. The teacher competence factors in elementary modeling instructions included "meta-modeling knowledge," "knowledge of modeling assessment," "emotional support for students," and the "awareness of modeling value." Accordingly, this study offered some recommendations for effective modeling instructions.

An Empirical Development of Knowledge and Information Value Model (지식정보 가치평가 모형의 실증적 개발)

  • Yoo, Seung-Hoon;Heo, Jae-Yong;Ahn, Yoon-Gih
    • Journal of Information Management
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    • v.40 no.1
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    • pp.113-132
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    • 2009
  • Unlike existing other industries, the knowledge-based industry has the potential to grow increasingly with factor input unlimited. Importance of investigating knowledge and information evaluation cannot be overemphasized to promote economic development in that knowledge and information is accepted as an engine of new economy. We attempt to define the scope and value of knowledge and information and develop the knowledge and information value model. The results help policy-makers to manage and evaluate the knowledge and information with useful and responsible information.

A Study of the Design of Ontology-based Prescription Knowledge Management System of Oriental Medicine (온톨로지 기반 한의학 처방 지식관리시스템 설계에 관한 연구)

  • 이현실;이두영
    • Journal of the Korean Society for information Management
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    • v.20 no.1
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    • pp.341-371
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    • 2003
  • The purpose of the study is to design the ontology-based Prescription Knowledge Management System of Oriental Medicine. The study was done with the premise that the effectiveness of the system can be improved by using ontological abstractional structure based on definition of concept, attribution and relations of words related to the specific area. The system is developed with Protege-2000 by using newly developed KPML(Korean Medicine Prescription Markup Language). The results of the study provide the model of Prescription Knowledge Management System and the possibility of implementing XML-based ontology system to the semantic web environment.

Query Optimization with Knowledge Management in Relational Database (관계형 데이타베이스에서 지식관리에 의한 질의 최적화)

  • Nam, In-Gil;Lee, Doo-Han
    • The Transactions of the Korea Information Processing Society
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    • v.2 no.5
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    • pp.634-644
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    • 1995
  • In this paper, we propose a mechanism to transform more effective and semantically equivalent queries by using appropriately represented three kinds of knowledge. Also we proposed a mechanism which transforms partially omitted components or expressions into complete queries so that users can use more simple queries. The knowledges used to transform and optimize are semantic, structural and domain knowledge. Semantic knowledge includes semantic integrity constraints and domain integrity constraints. Structural knowledge represents physical relationship between relations. And domain knowledge maintains the domain information of attributes. The proposed system optimizes to more effective queries by eliminating/adding/replacing unnecessary or redundant restrictions/joins.

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Morphological Classification of Knowledge Map for Science and Technology and Development of Knowledge Map Examples in the View of Information Analysis (과학기술 지식맵의 형태적 분류와 정보분석 관점의 지식맵 사례 도출)

  • Lee, Bangrae;Lee, June Young;Kim, Dohyun;Noh, Kyung Ran;Yang, Myung Seok;Kwon, Oh-Jin;Choi, Kwang-Nam;Kim, Han-Joon
    • The Journal of the Korea Contents Association
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    • v.13 no.11
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    • pp.461-476
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    • 2013
  • Knowledge maps for science and technology are used extensively in the research projects. However, they are not organized systematically and are not necessarily suitable to be used in the research projects. Therefore, this study aims to organize the knowledge maps in order to support scientific research projects. To this end, the existing knowledge maps for science and technology are classified as one of four types based on data representation methods; the frequency summary map, trend summary map, distribution-based knowledge map and network-based knowledge map. Additionally, by summarizing and classifying the knowledge maps through the principle of 'five w's and one h', the unexplored area are investigated. Finally, some examples of useful knowledge maps in terms of data analysis are provided with details such as definitions, components and utilization purposes. These findings may be a starting point for future research into a better understanding of knowledge maps for science and technology.

The Effects of Information Culture and Organizational Culture on Knowledge Utilization (정보문화와 조직문화 유형이 지식활용에 미치는 영향 분석)

  • Seo, Eun-Gyoung;Park, Heejin
    • Journal of the Korean Society for information Management
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    • v.35 no.4
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    • pp.285-308
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    • 2018
  • Knowledge utilization is an activity directly linked to organizational capacity and is the most essential activity in knowledge management that is to produce new values. Thus, systematic and comprehensive understanding of factors and the environment that affect knowledge utilization are needed. The purpose of this study is to investigate the effects of information culture and organizational culture on knowledge utilization. For this, data were collected from 300 workers from 6 institutions including government-funded research institutes, libraries, and cooperation research institutes. This study analyzes the effects of six aspects of information cultures and four organizational culture types on knowledge utilization. The results show that information cultures(control, transparency, proactiveness) and organizational culture (The Clan Culture, The Adhocracy Culture, The Market Culture, The Hierarchy Culture) are significantly influential factors for the knowledge utilization. Based on results, this study provides the implication of knowledge sharing in the organizations and suggests further studies.

잡초의 어떤 속성이 잡초문제를 복잡하게 만드나?

  • 전재철
    • The Bimonthly Magazine for Agrochemicals and Plant Protection
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    • v.10 no.2 s.89
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    • pp.49-55
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    • 1989
  • 잡초생태학에 대한 지식이 잡초방제법 확립의 기초가 되고 있음은 두말할 나위가 없다. 잡초의 생존과 번무에 대한 특성을 명확하게 알지 못하고서 효율적인 잡초의 방제 및 관리를 기대하기는 어렵다. 잡초의 전반적인 특성, 이른바 잡초생물학을 자세히 파악함으로써 이를 기초로 한 유효한 방제법의 수립이 가능하고, 그 결과 작물에 대한 잡초의 피해를 최소한으로 줄일 수 있다.

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제조데이터의 가치와 활용

  • Lee, Dong-Yun;Yun, Ju-Seong;Lee, Seong-Geun
    • Journal of the KSME
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    • v.57 no.8
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    • pp.49-53
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    • 2017
  • 이 글에서는 스마트 팩토리 구현을 위해 고려되어야 하는 다양한 속성들 중에서 '데이터'에 대해서 논하고자 한다. 특히, 제조업의 관점에서 데이터의 가치를 평가하는 방법과 도메인 지식의 중요성에 대해 설명하였고, 중소기업에서 데이터를 활용하기 위한 방안을 함께 고민해보았다.

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