• Journal of The Korean Association For Science Education
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• v.21 no.3
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• pp.497-505
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• 2001

In this study, the relationships among students' conceptual understanding of molecular structure and cognitive variables were investigated for 165 high school students. After they had learned 'High School Chemistry II' for two semesters, the tests of conception concerning molecular structure, spatial visualization ability, logical thinking ability, mental capacity, and learning approach were administered. The results indicated that students' conceptual understanding of molecular structure was not sound, and several misconceptions were found. The scores of the conception test were significantly correlated with all the cognitive variables studied. Multiple regression analyses were conducted to examine the predictive influences of students' cognitive variables on their conceptual understanding. Meaningful learning approach was the most significant predictor and were followed by logical thinking ability, rote learning approach, and mental capacity. However, spatial visualization ability did not have the predictive power.

• The KIPS Transactions:PartA
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• v.9A no.3
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• pp.271-280
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• 2002

In this paper, the input-output interconnection method of the multiple-valued signal processing circuit using Perfect Shuffle technique and Kronecker product is discussed. Using this method, the circuit design method of the multiple-valued Reed-Muller Expansions (MRME) which can process the multiple-valued signal easily on finite fields GF$(p^m)$ is presented. The proposed input-output interconnection methods show that the matrix transform is an efficient and the structures are modular. The circuits of multiple-valued signal processing of MRME on GF$(p^m)$ design the basic cells to implement the transform and inverse transform matrix of MRME by using two basic gates on GF(3) and interconnect these cells by the input-output interconnection technique of the multiple-valued signal processing circuits. The proposed multiple-valued signal processing circuits that are simple and regular for wire routing and possess the properties of concurrency and modularity are suitable for VLSI.

• Journal of the Korean School Mathematics Society
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• v.10 no.2
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• pp.173-185
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• 2007

It is the importance of Lifelong Education that is gradually more and more increased and publicly mentioned as the population of current society is aging even very rapidly. Especially the vivid activity of human being's brain is emphasized rather than before for the protection of senile dementia as people consider the sound life worth. This paper suggests mathematical education that is applicable and suitable for the emotional and cognitive level of the aged as the way of new method. I suggest the 'silver math' that may strengthen memory, thinking power and logical power of the aged, further cause the interest through games with mathematics, finally uplift the self-perception and pride. Thus, several basic elements are proposed here in this paper, that can be the foundation for the systematic and specific research of 'silver math'.

• Journal of The Korean Association of Information Education
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• v.3 no.2
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• pp.94-102
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• 2000

Reading education has been recognized as being important area in the education. But it has many limitations to achieve education effects, because it is very difficult to process in reality. In these days, traditional education methodology needs to be changed for the development of computer science and network communications. It is also applied at the area of reading education. To achieve educational goal in reading education, students must be able to interchange their views without restrictions of time and space. Through this circumstances, they can improve logical thinking and discussion ability. Therefore we need the reading education system which supports reading actions as well as reading instruction. In this paper, a web based reading education system is designed and implemented to improve logical thinking and discussion ability.

• Journal of the Korean Institute of Intelligent Systems
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• v.11 no.9
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• pp.833-836
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• 2001

One of the most important technology in Factory Automation and Unmanned Automation is to construct the diagnostic system for manufacturing process. To improve the productivity in cutting process, the state of tools such as bite, drill, endmill should be monitored continuously. In this study, fuzzy logic was used to check the wear of drill in drilling process. The input variables to construct the fuzzy rules are cutting force and the rate of cutting force's change. The experiment was done with the fixed spindle speed and feed rate in cutting condition. The proposed algorithm is verified by comparing Fuzzy wear with real wear measured.

• Journal of IKEEE
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• v.22 no.4
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• pp.992-998
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• 2018

Presentation is a technique that is logically and confidently conveying your thoughts and opinions in front of others. It is essential when you go to school or work. However, it takes a lot of time, money, and effort to improve your presentation skills. In this paper, we describe the development of a presentation coaching application that analyzes the presentation practice video. The application program can analyze the presentation time, the speaker's expression, the use of duplicate words, etc.

• Journal of the Institute of Electronics Engineers of Korea CI
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• v.40 no.3
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• pp.144-154
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• 2003

In this paper we present Logical Evolution method which is a new teaming algorithm for the concepts expressed as binary logic function. We try to solve some problems of Inductive Learning algorithms through Logical Evolution. First, to be less affected from limited prior knowledge, it generates features using the gained informations during learning process and learns the concepts with these features. Second, the teaming is done using not the whole example set but the individual example, so even if new problem or new input-output variables are given, it can use the previously generated features. In some cases these old features can make the teaming process more efficient. Logical Evolution method consists of 5 operations which are selected and performed by the logical evaluation procedure for feature generation and learning process. To evaluate the performance of the present algorithm, we make experiments on MONK data set and a newly defined problem.

• Journal of the Korean association of regional geographers
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• v.14 no.5
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• pp.480-491
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• 2008

Recent globalization and de-industrialization have caused intensive competition among places; hence, cities worldwide are pursuing regeneration and enhanced competitiveness through cultural strategies. Focusing on the cultural strategies of local cities in Japan, this paper reveals that the concept of "being-a-region" is key to cultural strategies, and explores what logic is inherent in such regional developments. Since the period of rapid economic growth, Japanese local cities have played the role of "Furusato(home) for Japanese." With the recent decentralization, "being-a-region" is now emerging as a powerful discourse for the cultural strategies of local cities. This idea of "being-a-region" can be largely defined as a region's special character or even an existential sense of place, but in fact it is political relationships among agencies that define the region. "Being a region" in Japan appears to extend to "being a nation." Thus, it would be necessary to focus on the power relationships that surround the concept of "being a region" when we deal with the meaning of region in relationships to cultural strategies of local cities.

• 한국정보교육학회:학술대회논문집
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• 2004.08a
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• pp.11-19
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• 2004

본 연구에서는 정보 교육을 기반으로 하여 데이터 조직을 하고 그것을 바탕으로 하여 학습자로 하여금 알고리즘적 사고력을 길러 프로그래밍과 같은 추상적인 분야까지의 사고력의 신장을 기를 수 있도록 하는데 연구의 중점을 두었다. 현재 초등학교에서는 응용 소프트웨어의 지도 수준에 머무르고 있어, 컴퓨터 시스템과 데이터의 흐름에 대한 인식이 부족하다. 이는 학습자의 흥미를 유발하여 컴퓨터에 대한 친근감을 갖게 할 수는 있지만, 컴퓨터교육으로 질에 대한 충분한 이해가 결핍된 교육 방법이다. 또한 초등 컴퓨터 교육에 있어서 컴퓨터 내용학에 대한 지도는 거의 이루어지고 있지 않고 있고, 이에 대한 인식도 부족하다. 당면하고 있는 정보화 사회에서는 논리적이고 체계적인 접근방법으로 컴퓨터 내용학 지도가 이루어져 학습자 스스로 정보를 생성, 조직할 수 있는 논리력을 기를 수 있어야 한다. 또한 컴퓨터 내용학의 기초인 자료구조는 중요성과 타 컴퓨터 내용학에 파급되는 효과에 비해서 선행연구가 부족하였기 때문에 보다 쉽게 학습자에게 이해 가능하도록 하는 지도 방법이 이루어지도록 연구의 내용에 제안하였다.

• Journal of Digital Convergence
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• v.12 no.3
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• pp.7-16
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• 2014

This study aims to analyze the key logic of the current C-P-N-D ICT ecological system, to find out the shortcomings of the current system, and then to offer policy suggestions for the establishment of a new creative contents industry ecological system; that is, ICCT (Information, Communication, Contents and Technology) System.