• Digital Contents
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• no.9 s.52
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• pp.5-17
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• 1997

데이터 마이닝에 관한 연구는 원래 인공지능의 기계 학습에서 시작되었으나 여기에서의 연구는 주로 그 대상이 실험실용 데이터 즉, 엄정하게 선정된 적은 데이터들에 대해서만 이루어져 왔다. 본 고에서는 2000년대 데이터베이스 응용기술로 발전하고 있는 데이터 마이닝에 관하여 그 개념, 지식 발견 기법 및 활용 등을 살펴보고 여러 마이닝 지식중에서 분류에 관한 기술 동향을 살펴본다.

• Journal of the Korean association of regional geographers
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• v.16 no.1
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• pp.76-84
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• 2010

This study is to critically examine a variety of perspectives of seeing the interactions among space, people, and society. According to Tuan, place is a center of meaning constructed by people's experience, and its attributes consist of natural and built-up environments. Entrikin suggests a way of seeing place from a contrary perspective, that is, the subjective and existential sense of place and the objective and naturalistic conception of place. Lefebvre examines the historical transformation of social space through the dialectics among the perceived space, the conceived space, and the lived space. Social space is (re)produced and changed through the conflictual unit of the spatial triad. The project of Foucault's spatial metaphor is to tightly combine three critical concepts, power, knowledge, and space. Those concepts are not objectively existed regardless of specific times and spaces, but they are socially and culturally constructed through the networks of people under particular environments. In the following papers, it is needed to comparatively examine the various perspectives mentioned above to make a new conceptual framework of understanding the interactions among space, people, and society.

• 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.

• Journal of Korean Home Economics Education Association
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• v.30 no.3
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• pp.129-149
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• 2018

This study has attempted to analyze the achievement standards in the 2015 revised curriculum, based on the revision of Bloom's Taxonomy and aims to identify the knowledge and required competencies in the fourth industrial era. The results of this study are as follows: First, the knowledge dimensions was the highest 'metacognitive knowledge' in middle school, while 'factual knowledge' was the highest in high school, and 'knowledge of specific details and elements' was the highest subtype of all of the knowledge dimensions. The dimensions of the cognitive process, such as the terms 'apply' and 'analyze' in middle school, as 'understand' and 'evaluate' in high school have been treated inattentively. Second, the knowledge dimension and the cognitive process dimension according to key concepts display the metacognitive knowledge and 'understand' in development, the conceptual knowledge and 'understand' in relationship. While the 'metacognitive knowledge' and 'apply' in life culture, the 'procedural knowledge' and 'evaluate' in safety, the 'factual knowledge' and 'apply' in management and the 'metacognitive knowledge' and 'understand' in life design were extremely high. Third, the verbs used in the achievement standards displayed as 'explore', 'understand', 'analyze', 'practice', 'suggest', 'recognize' and 'evaluate'. Since the statement of the action verb is the very basis for determining the performance process, specific competencies may be achieved by reflecting on the actual achievement standards. These standards should provide us with a effective cognitive process for to understand a learner's performance skills and support the direction of the education required, through a strategy that refines the connection between content elements and functions and develop their competences for the future.

• The Journal of Korean Association of Computer Education
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• v.10 no.2
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• pp.115-123
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• 2007

Collaborative knowledge is continuously producted and modified by group individuals during collaboration and it is also fostered in a radical trust environment like Wiki. The example is Wikipedia. However I found out a big problem as difficulties of exploring when the knowledge space is extended more and more widely. To solve this problem, collaborative knowledge management systems are implemented based on wiki. The one is navigation map that supports the efficient exploring and the another is knowledge map that supports a convergent thinking in a group. In this study, we examined the effectiveness of navigation map and knowledge map.

• Review of KIISC
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• v.22 no.1
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• pp.7-13
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• 2012

최근까지 정보 기술 분야에서는 유비쿼터스(Ubiquitous)라는 용어가 크게 유행한 척이 있다. 현재는 다소 식상하게 들리는 용어일지도 모르지만 사물의 지능화와 통신화라는 유비쿼터스 개념은 이미 우리의 생활에 깊이 파고 들어왔다. 최근 유행하는 IT 기술인 스마트폰이나 지능형 전력망, 와이파이, 소셜 네트워크, 센싱 데이터 처리 기술과 개념은 이러한 유비쿼터스 기술의 대표적인 사례로 볼 수 있다. 국내에서 는 이러한 유비쿼터스라는 개념을 유비쿼터스 센서 네트워크(Ubiquitous Sensor Network: USN)라는 용어로서 2004년부터 정보통신부 혹은 지식경제부의 적극적인 지원에 힘입어 많은 기술적/산업적 성과를 이루기도 했다. 하지만 이러한 USN은 센서네트워크 개념으로 제한적으로 오용되는 경우가 많았다 이에 본고에서는 이러한 유비쿼터스 환경을 실현하는 사물의 지능화/통신화에 대한 기술 동향과 보안 기술을 논하기 위해서 USN과 거의 비슷한 개념이지만 국내외적으로 더욱 보편적으로 사용되고 있는 IoT(Intemet of Things) 용어를 사용할 것이며, 이러한 IoT에 대한 기술 동향과 보안 기술을 논하고자 한다.

• Journal of Service Research and Studies
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• v.1 no.1
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• pp.1-27
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• 2011

In this research, we study on the servitization of manufacturing firms. We review literature on the servitization based on business ecosystem and internalization with extended servitization framework. We develop and suggest a conceptual framework to understand the servitization. This conceptual framework includes four parts: service competitive strategy(Porter Michael, 1980), product-service-knowledge system(PSKS), value chain, and servitization configuration. To confirm the applicability of this model, six cases are employed.

• Education of Primary School Mathematics
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• v.17 no.1
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• pp.1-16
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• 2014

The purpose of this study is to analyze whether analogy distance and mathematical knowledge affect on transfer problems solving with different analogy distance. To conduct the study, transfer problems were classified into multiple categories: mathematical word problem based on rates, science word problem based on rates, and real-life problem based on rates with different analogy distance. Then analysed there are differences in participants' transfer ability and which mathematical knowledge contributes to the solution on over the three transfer problem. The study demonstrated a statistical significant difference(.05) in participants' three transfer problem solving and a gradual decrease of the participants' success rates of on transfer problems solving. Moreover, conceptual knowledge influenced transfer problem solving more than factual knowledge about rates. The study has an important implications in that it provided new direction for study about transfer of learning, and also show a good mathematics instruction on where teachers will put the focus in mathematical lesson to foster elementary students' transfer ability.

• Journal of Elementary Mathematics Education in Korea
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• v.17 no.1
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• pp.39-65
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• 2013

This study intended to draw some suggests for the development of mathematics teachers' expertise through the comparison research of pre-service and in-service teachers' PCK about questioning in elementary mathematics class. For this purpose, questionnaire survey was conducted to some pre-service and in-service teachers about the PCK concerning the way how questioning during mathematics class. This survey revealed the following implications. First, from the perspective of mathematics classroom, it is still more important the practical knowledge about how to teach which is evolutionally developed passing through the experience and currier of teaching than theoretical knowledge itself. Comparing the teachers' PCK about the two related knowledge types of mathematics contents, in case of procedural knowledge related PCK it was more asked of teachers' expertise than the case of conceptual knowledge related PCK. Thirdly, in case of learners' incorrect answer, for the desirable teaching it should be a questioning focused on whether there being or not the systematic among the learners' incorrect answer, and in case of appreciating the learners' understanding about the presently taught contents the questioning should be constructed considering the relevant contents early learned.

• Proceedings of the Korea Society for Simulation Conference
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• 1999.04a
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• pp.11-19
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• 1999

Farmer 모델은 시스템 개체구조(System Entity Structure)의 개념을 도입한 지식표현을 위해 사용되는 프레임 구조모델로서 다중성 추상화 개념(Multiplicity Instance Concept)은 하나의 개체를 구성하기 위하여 동일한 형태의 구성요소가 여러 번 발생하는 경우에 이의 대표적인 요소만을 표시하는 추상화 개념이다. 다중성 추상화 개념에서 정의된 대표개체는 자신의 인스턴스들을 가질수 있다. 이들 인스턴스들은 IM-컴포넌트 타입 개체노드 및 OM-컴포넌트 타입 개체노드이며 다중성 인스턴스 링크를 이용하여 대표개체와 연결된다.