• Proceedings of the Korea Information Processing Society Conference
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• 2001.10b
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• pp.1213-1216
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• 2001

정규분포 등의 가정이 곤란한 복잡한 밀도 분포에 대해 데이터의 선험적인 지식 없이 해석하기 위해 다수의 항목이 되고 복잡한 밀도 분포를 가진 데이터를 보다 소수의 단순한 밀도 분포가 되는 그룹으로 분류하는 방법을 나타내었고 데이터를 그룹으로 분류하는데 표본에 의한 분류와 항목에 의한 분류를 할 수 있다. 선험지식을 사용하지 않고 데이터를 분류하면 Parzen의 창함수에 의한 추정과 대수우도에 의한 평가함수를 사용하는 것으로 복잡한 형상을 가진 밀도분포도 선험지식 없이 해석이 가능하다. 표본의 밀도 분포와 항목의 밀도분포를 나타내기 위하여 다수의 밀도 분포의 합과 곱의 형으로 전개하는 방법을 보였고 제안하는 방법을 의도적으로 생성한 데이터에 적용하여 원래의 밀도분포에 따라 분류결과를 얻을 수 있었다.

• Journal of Korean Philosophical Society
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• v.137
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• pp.151-191
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• 2016

Kant and Lacan strongly criticized the epistemological premise of formal logic. However, Lacan was opposed to Kant in terms of subject, object, knowledge and truth. From the viewpoint of Kant's transcendental logic, formal logic does not have the ability to represent the nature of truth. On the other hand, from the viewpoint of Lacan's psychoanalytic logic, Kant's transcendental logic misunderstands or only partially represents the state of things. But I would like to try to criticize the epistemological premise of the two forms of logic. Transcendental logic takes the evident and new function in that it has studied the necessary condition of content rather than the form of thinking which formal logic considers as his object of study. Transcendental logic evidently studies the categories which dominate our way of thinking. Can we say that the 12 categories which Kant provided are sufficient in explaining the necessity of thinking? Lacan's psychoanalytic logics tells us that Kant's categories are only a kind of metaphor related with hypothesis that tries to explain the possibility of synthetical judge a priori. Is Lacan's psychoanalytic logic sufficient in explaining the possibility of science? It is not sufficient in explaining the objectivity and strictness of science, for it depends on metaphor and metonymy which are useful to literature and unconsciousness. I would like to try to synthesize Kant's transcendental and Lacan's psychoanalytic logic in terms of structure-constructivism which combines both formal and dialectical logic, which is consistent with the ideal of human science, and not blinkered science. My conclusion is that Kant's ethical and esthetical theory should be modified though Lacan's psychoanalytic logic, and Lacan's theory of the unconsciousness revised by Kant's transcendental logic.

• Journal of Korean Society for Geospatial Information Science
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• v.9 no.2 s.18
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• pp.17-27
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• 2001

Buffering is one of the popular spatial analytical functions widely used in many proximity analyses. The buffeting inevitably entails a new polygon of specified edge that is simulated by rolling a ball around the buffering object. While buffering, the error on the buffering object propagates to the new buffered object. In this paper the error propagation behavior during the buffering operation is analyzed based on a pilot project for two different data models: polyline and spline curve. Thus, the error on the buffered objects are classified, mathematically defined, and measured. For measurements, the pilot project is designed and performed using a test site that is a lake boundary at Wisconsin, USA.

• Journal of Korean Philosophical Society
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• no.99
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• pp.69-100
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• 2012

Die Gegenwart steht den Tatsachen der Gewalt gegenüber. Wesentlich destruktive Techniken können den kollektiven Tod des Menschen als Gattung produzieren. Die Destruktivität dieser Techniken ist durch Skeptizismus geistesgeschichtlich gerechtfertigt. Ebelings Fundamentalpragmatik ist Reflexionstheorie der widerstandsfähigen Vernunft, welche einer Sozialisierung derjenigen Gewalt widersteht, die in einer gegenwärtigen Aussicht auf universale Selbstdestruktion des Menschen Tod produziert. Selbstbewußtsein (Apperzeption) ist bei Kant Selbstbewußtsein in Gegenstandsbewußtsein. Mit kritischer Auslegung von Kant zeigt Heidegger endlich, daß der Tod der Selbstbeziehung des konkreten Daseins als des In-der-Welt-seins gehört. Aber seine existenziale Analytik berücksichtigt nur individuelles Dasein zum Tode und vernachlässigt die Allgemeinheit des menschlichen Todes bzw. die dem allgemeinen Untergang widerstehende Vernunft. Apel kritisiert ein solipsistisches Erbe von Kants Bewußtseinsphilosophie und präsentiert ein Argument der Letztbegründung zur Überwindung des Skeptizismus. Aber seine Transzendentalpragmatik vernachlässigt die Endlichkeit des menschen und zeigt ein Defizit der fundamentalpragmatischen Vereinigung der Vernunft und des Todes. Aufgrund des gegenwärtigen Todesbewußtseins, das Heideggers Todesdeutung transformiert, rekonstruiert Ebelings Existentialpragmatik Heideggers Dasein zu Existenzsubjekt. Seine Fundamentalpragmatik vollzieht diejenige Erstbegründung, die zwischen der existentialpragmatischen Endbegründung des Todes und der transzendentalpragmatischen Letztbegründung vermittelt, und damit bestimmt sie Vernunft als Widerstandsbewußtsein (das bewußte Sein) gegen den Tod. Also ist sie neue transzendentalphilosophische Bewußtseinsphilosophie, die mit der neuen Selbstbestimmung der Vernunft entwickelt wird.

• Proceedings of the Korean Institute of Intelligent Systems Conference
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• 2003.09b
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• pp.53-56
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• 2003

유사도 혹은 자료간의 거리 개념은 많은 기계학습 알고리즘에서 사용되고 있는 중요한 측정개념이다 하지만 입력되는 자료의 속성들중 순서가 정의되지 않은 범주형 속성이 포함되어 있는 경우, 자료간의 유사도나 거리 측정에 어려움이 따른다. 비거리 기반의 알고리즘들의 경우-C4.5, CART-거리의 측정없이 작동할 수 있지만, 거리기반의 알고리즘들의 경우 범주형 속성의 거리 정보 결여로 효과적으로 적용될 수 없는 문제점을 갖고 있다. 본 논문에서는 이러한 범주형 자료들간 거리 측정을 자료 집합의 특성을 충분히 고려한 방법을 제안한다. 이를 위해 자료 집합의 선험적인 정보를 필요로 한다. 이런 선험적 정보인 조건부 확률을 기반으로한 거리 측정방법을 제시하고 오류 피드백을 통해서 속성 간 거리 측정을 최적화 하려고 노력한다. 주어진 자료 집합에 대해 서로 다른 두 범주형 값이 목적 속성에 대해서 유사한 분포를 보인다면 이들 값들은 비교적 가까운 거리로 결정한다 이렇게 결정된 거리를 기반으로 학습 단계를 진행하며 이때 발생한 오류들에 대해 피드백 작업을 진행한다. UCI Machine Learning Repository의 자료들을 이용한 실험 결과를 통해 제안한 거리 측정 방법의 우수한 성능을 확인하였다.

• Proceedings of the Acoustical Society of Korea Conference
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• spring
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• pp.85-88
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• 2004

칼만/위너 필터 같은 기존의 음성향상 알고리즘은 잡음의 선험적 지식을 요구하고, 음성신호와 추정신호의 오차분산을 최소화하는데 중점을 두었다. 따라서, 잡음에 대한 통계적 추정에 오류가 있을 경우 결과에 악영향을 미칠 수 있다. 그러나 $H_\infty$ 필터는 잡음에 대한 어떠한 가정이나 선험적 지식을 요구하지 않는다. $H_\infty$ 필터는 최소상계(Upper Bound Least)를 적용하여 추정된 모든 신호들로부터 최소 에러 신호를 갖는 최상의 추정신호를 찾아내므로 칼만/위너 필터보다 잡음의 변화에 강인하다. 본 논문에서는 학습 신호로부터 은닉 마코프 모델의 파리미터를 추정한 후, 오염된 신호를 고정된 개수의 $H_\infty$ 필터를 통과시켜 각 출력에 가중된 합으로 향상된 음성 신호를 구한다. 음성의 통계적 특성을 이용하여 모델 파라미터를 추정하는 은닉 마코프 모델과 잡음의 변화에 강인한 $H_\infty$ 알고리즘을 사용해서, 다중 $H_\infty$필터에 의한 강인한 음성향상 방법을 제안하였다.

• Journal of Elementary Mathematics Education in Korea
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• v.18 no.1
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• pp.1-17
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• 2014

Instructions for the commutative property of multiplication at elementary schools tend to be based on checking the equality between the quantities of 'a times b 'and b' times a, ' for example, $3{\times}4=12$ and $4{\times}3=12$. This article critically examined the approaches to teach the commutative property of multiplication from Kant's perspective of mathematical knowledge. According to Kant, mathematical knowledge is a priori. Yet, the numeric exploration by checking the equality between the amounts of 'a groups of b' and 'b groups of a' does not reflect the nature of apriority of mathematical knowledge. I suggest we teach the commutative property of multiplication in a way that it helps reveal the operational schema that is necessarily and generally involved in the transformation from the structure of 'a times b' to the structure of 'b times a.' Distributive reasoning is the mental operation that enables children to perform the structural transformation for the commutative property of multiplication by distributing a unit of one quantity across the other quantity. For example, 3 times 4 is transformed into 4 times 3 by distributing each unit of the quantity 3, which results in $3{\times}4=(1+1+1){\times}4=(1{\times}4)+(1{\times}4)+(1{\times}4)+(1{\times}4)=4+4+4=4{\times}3$. It is argued that the distributive reasoning is also critical in learning the subsequent mathematics concepts, such as (a whole number)${\times}10$ or 100 and fraction concept and fraction multiplication.

• (The)Study of the Eastern Classic
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• no.35
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• pp.275-295
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• 2009

The aim of this paper is to reject Graham's interpretation of bi (必) and xianzhi (先知) of Later Mohists' Mojing ("墨經") as logical necessity and a priori knowledge respectively. Graham's interpretations of them are based on his beliefs that Mojing distinguishes lun (論), the art of description from bian (辯), the art of inference in the Mohist disciplines and that the latter art should be seen as such a rigorous proof as Euclidean geometry even though it is not a Western formal logic. His beliefs also start from his distinguishing 'knowledge of names' from 'knowledge of conjunction of names and objects' according to the objects of knowledge. In my reading, the art of description and the art of inference, however, can't be sharply distinguished each other in Mojing and bi and xianzhi should be taken as suggesting both a normative necessity and an empirical necessity. A normative necessity is derived from 'normative theory of definition' which comes form the theory of rectification of names in China. The normative theory of definition, unlike the descriptive theory of definition, defines terms normatively rather than descriptively. For example, although such a definition of father, 'father is beneficient', has the form of being descriptive, but it actually is prescriptive and therefore means 'father should be beneficient'. Through this normative theory of definition, empirical knowledge, as long as it is a knowledge, is seen as necessary and so can't be wrong. To conclude, for Mohists an empirical knowledge is always a basis of an inferential knowledge or a priori knowledge, so Mohists' a priori knowledge is not really a fundamental knowledge and its necessity therefore is nothing but both a normative necessity and an empirical necessity.

• 한국HCI학회:학술대회논문집
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• 2006.02b
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• pp.557-562
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• 2006

휴대전화는 용도적인 측면에서 PC와 유사해 지고 있으며 네트워크 기술의 발달로 다 수의 파일들을 다룰 수 있을 것으로 전망되고 있다. 그러나 휴대전화는 PC와는 다른UI특징을 가지고 있으며 이러한 차이는 다 수 파일의 관리나 이와 관련된 복잡한 태스크 수행 시 문제점이 예상된다. 본 연구는 사용자의 선험적 지식을 바탕으로 휴대전화의 UI특징에 적합한 효용성 있는 파일관리 UI가 무엇인지 알아보는 것에 목적이 있다. 이에 따라 사용자의 선험적 지식이 있는 윈도우탐색기의 사용행태 조사를 통해 자주 수행하는 태스크와 메타포어를 분석하여 휴대전화와 비교, 문제점 과 해결방안을 도출하였다. 이를 바탕으로 프로토타입을 제작하여 사용자 평가를 통해 가로방향의 페이지 분할 방식과 * 또는 #키와의 중복을 활용한 단축키 제공, 일괄적인 옵션 메뉴의 제공은 사용자가 익숙해져 있는 4방향 네비게이션 키와 12 숫자 키패드를 입력장치로 사용하는 휴대전화에서 파일관리 시 효용성이 있음을 알 수 있었다.

• Journal of the Daesoon Academy of Sciences
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• v.47
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• pp.1-37
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• 2023

This essay seeks to answer the question of how best to understand Korean new religious movements (KNRMs). KNRMs have the characteristics of folk religion, ethno-religion, or popular religion. KNRMs are products of the national consciousness promoted by Korean society during the Late Joseon Dynasty at the turning point of modern Yi-Jing Studies. From the perspective of social evolutionary theory of developmental history, during that period, Joseon (Korea), like China, was faced with a double-edged sword consisting of the strength of tradition and the upheaval of modernity. If the strength of tradition depended on the Yi-Jing Studies to promote national enlightenment toward anti-imperialist aims, then it was equally the case that modernity depended on the sense of urgency to guide the people to secure livelihoods and edification regarding anti-feudalism. In this essay, the KNRMs that appeared during this transition period of Yi-Jing Studies will be a significant focus, and the worldview of Daesoon Thought will be the main focus. As one of the central topics, intensive discussion will be dedicated to the issue of the nature of pre-experientialism (先驗主義) which characterized the Great Opening (開闢). The principles of Daesoon Thought have a religious dimension of realistic awareness that guides the people's lives and edifies them. The process of the Great Opening aims to secure an ontological clock that tracks the Great Itineration of the world toward Daesoon Truth. This in turn as a process establishes the epistemological world of the Reordering Works of Heaven and Earth (天地公事) and reaches the axiological boundary of the future world. The links among the Three Realms is characterized by a pre-experientialist line that experiences the space-time nature of the universe as the Great Opening of the Later World (後天) within the framework of Heaven and Earth. Throughout this course, humans look to enjoy the infinite vitality of the universe from within their own finite vitality. Therefore, Daesoon Thought can overcome perceived reality through pre-experientialist channels such as the Great Opening of the Later World and aim for a state of self-awareness such as the Earthly Paradise. This is an attempt to participate and practice in the actual world rather than pursuing a world of transcendental ideas, and therefore, it tends to be proactive in the world rather than exhibit a passive tendency to be worldliness. In conclusion, the truth of Daesoon Thought, which is characterized by the Great Opening of the Later World, contains a future-oriented outlook that longs for a Nextopia full of hope and promise rather than idealistic fancy towards a Utopia or well-founded dread and disdain towards Dystopia.