• Title/Summary/Keyword: Han-Ki Choi

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Han-Ki Choi's Chi-hak and Geography (최한기의 기학적 지리학과 지리연구방법론)

  • Choi, Won-Suk
    • Journal of the Korean association of regional geographers
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    • v.15 no.1
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    • pp.86-98
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    • 2009
  • Han-Ki Choi($1803{\sim}1877$), who was a scholar in Joseon dynasty, understood geography into a synthetic category of chorography, cartography, earth science and fengshui. He focused on chorography and map as a leading position in geography. The purpose of the research of Han-Ki Choi was to examine the way of Heaven, and then to make clear the way of Humanity. The identity of the geography for Han-Ki Choi was a practical science that useful for the ruling over the country and the welfare of people. He emphasized the nature of relationship with humans in geography. The system of Han-Ki's Chi-hak came from the basis of a geography, on the contrary, his geographical works were accomplished on the ground of the Chi-science. The chorography, Chi-hak of the earth and the earth science were composed into systematic organization for achieving the goal of the Chi-geography.

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Chuchik(推測) in Choi Han-gi(崔漢綺)'s Ki-philosophy[氣哲學] (최한기(崔漢綺)의 기철학((氣哲學)에 있어서의 추측(推測))

  • Yun, Hee-Whan
    • (The)Study of the Eastern Classic
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    • no.71
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    • pp.129-146
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    • 2018
  • Choi Han-gi(崔漢綺)'s system of ideas is roughly called Ki-philosophy(氣哲學) because he presupposes ki(氣) as the foundational element as well as operational agent of the whole universe. Choi suggests that each extant entity should try to approximate itself to the greater cosmic operation and changes[大氣運化], thus achieving an harmonious unity with ilki(一氣), the ultimate originator as well as principle of the universe. In order to make this happen, he proposes that one execute chuchik(推測), a kind of empirical reasoning, which is gradually sharpened through expanding and accumulating his experiences of the outer world. Continuous practicing of chuchik(推測) helps one enlarge his conceptual, experiential and existential horizon much more greatly than could otherwise be possible. Such an expansion of the self naturally brings about one's ultimate development as an ethical, responsible, sociable and even cosmic being. Seen in this respect, chuchik(推測) is not simply a cognitive maneuver but a powerful catalyst which help bind all entities under heaven in a great harmonious whole.

Energy Consumption Checkable Simulator for Flash Memory (에너지 사용량 측정이 가능한 플래시 메모리 시뮬레이터)

  • Choi, Won-Chul;Song, Jun-Young;Lee, Ki-Hyuk;Han, Hyung-Jin;Sohn, Ki-Rack
    • Proceedings of the Korea Information Processing Society Conference
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    • 2007.05a
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    • pp.829-832
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    • 2007
  • 플래시 메모리는 센서 네트워크가 가진 제약 조건을 만족하는 저장 매체이다. 그러나 센서 네트워크에 필요한 프로그램의 개발 환경은 불편하고, 가장 중요한 이슈인 에너지 소모에 대한 편리하고 정확한 측정 수단이 없는 것이 현실이다. 그에 따라 본 논문은 에너지 소모량의 측정을 지원하고 여러 플래시 메모리 환경을 조절하여 실험을 할 수 있는 플래시 메모리 소프트웨어 시뮬레이터를 설계 및 구현하였다.

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Design of Light-weight Service Reasoner & Context Information Base Framework for Context-aware Computing (상황인지 컴퓨팅을 위한 경량의 서비스 추론과 상황정보 관리를 위한 프레임워크의 설계)

  • Han, Ji-Yeon;Lee, Ki-Hyuk;Han, Hyung-Jin;Choi, Won-Chul;Han, Kyung-Hoon;Kim, Tae-Hyun;Sohn, Ki-Rack
    • Proceedings of the Korea Information Processing Society Conference
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    • 2008.05a
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    • pp.651-654
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    • 2008
  • 상황인지(Context-awareness)란 사용자의 상황을 인지하여 이를 통해 사용자에게 적합한 최적의 정보를 제공하는 것으로 현재 많은 연구가 진행되고 있다. 이미 상황인지를 위한 프레임워크들이 존재하지만, 작은 메모리가 요구되는 제한적인 하드웨어 상황에서 적용하기에 적합하게 설계된 프레임워크는 흔하지 않다. 이에 대한 문제점을 인식하여 하드웨어 리소스가 부족한 상황에서 빠르게 동작할 수 있는 프레임워크를 구상하여, 기존과는 다른 제한적인 환경 안에서 상황인지를 통해 사용자에게 맞는 최적의 서비스를 판단, 제공하는 모바일 오브젝트를 설계하였다.