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김문수 한국기독교교육정보학회 2006 기독교교육정보 Vol.13 No.-
This study focus on the use of hypertext for web-based Christian education. As hypertext is founded on the human mental process, it can be useful tool for efficient learning. Hypertext is non-sequential, non-linear, dynamic text, so it provides opened learning environments and enables voluntary participation in educational process for learners. It also help learners get knowledge and concepts, or reconstruct them. It is appropriate to utilize hypertext in Christian education, it is supported both Biblical perspective and cognition theory; ACT theory, cognitive flexibility theory, schema theory. Hypertext can be used in teaching structured knowledge, enlarging knowledge system, adding reference materials, mediating interactions between teacher and students. But, to build stable and efficient hypertext system, it is required considering the contents and size of node, the types of link, the characteristics and ability of learners. In web-based Christian education, essential content is Christianity and education is a method. And it must be remembered that hypertext is only useful tool to achieve the educational purpose. 인터넷의 특성을 활용하는 새로운 학습체계인 웹기반 교육은 학습자가 스스로 학습하는 것을 가능하게 하며, 웹의 개방성을 통해 학습 환경을 확장시켜 주고, 최신의 다양한 정보를 제공해 줄 뿐만 아니라 사회적인 상호작용을 통해 경험적인 지식 구성 활동을 촉진시켜 주는 등 교육적으로 매우 유용한 특성을 지니고 있다고 하겠다(Relan & Gillani, 1977).Ⅲ. 하이퍼텍스트에 대한 성서적 접근
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A Fuzzy Logic-Based False Report Detection Method in Wireless Sensor Networks
김문수,이해영,조대호,Kim, Mun-Su,Lee, Hae-Young,Cho, Tae-Ho 한국시뮬레이션학회 2008 한국시뮬레이션학회 논문지 Vol.17 No.3
무선 센서 네트워크는 자원 제약을 가지는 센서 노드들로 이루어진다. 센서 네트워크에서 충분한 보호를 받지 못하는 노드들은 공격자들에 의해 훼손될 수 있다. 이러한 훼손된 노드들은 허위 보고서 주입 공격이나 정상 보고서에 대한 허위 데이터 주입 공격과 같은 공격들에 취약하다. 허위 보고서 주입 공격에서, 공격자는 싱크의 기만이나 배터리로 동작하는 네트워크의 제한된 에너지를 고갈을 목적으로 허위 보고서들을 네트워크에 주입한다. 정상 보고서에 대한 허위 데이터 주입 공격에서, 공격자는 모든 정상 보고서에 거짓 데이터를 주입할 수도 있다. 이러한 공격들을 다루기 위하여, Li와 Wu는 확률적 투표-기반 여과기법(PVFS)을 제안하였다. 그러나 PVFS에서 각 클러스터 헤드는 추가적인 전송 장비를 필요로 한다. 그러므로 본 논문에서는 이러한 공격들의 위협을 완화시키기 위하여 퍼지 로직-기반 허위 보고서 탐지 기법(FRD)를 제안한다. FRD는 통계적 전달 중 여과 기법을 기반으로 채택하여 이를 개선한다. 시뮬레이션에서 FRD가 제공하는 보안 능력이 효율적이며, 보안과 에너지 소비간의 트레이오프가 있음을 보인다. Wireless sensor networks are comprised of sensor nodes with resource-constrained hardware. Nodes in the sensor network without adequate protection may be compromised by adversaries. Such compromised nodes are vulnerable to the attacks like false reports injection attacks and false data injection attacks on legitimate reports. In false report injection attacks, an adversary injects false report into the network with the goal of deceiving the sink or the depletion of the finite amount of energy in a battery powered network. In false data injection attacks on legitimate reports, the attacker may inject a false data for every legitimate report. To address such attacks, the probabilistic voting-based filtering scheme (PVFS) has been proposed by Li and Wu. However, each cluster head in PVFS needs additional transmission device. Therefore, this paper proposes a fuzzy logic-based false report detection method (FRD) to mitigate the threat of these attacks. FRD employs the statistical en-route filtering scheme as a basis and improves upon it. We demonstrate that FRD is efficient with respect to the security it provides, and allows a tradeoff between security and energy consumption, as shown in the simulation.
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한국 제조업의 산업간 체화지식흐름구조의 특성과 기술변화
김문수,오형식,박용태 한국경영과학회 1998 한국경영과학회 학술대회논문집 Vol.- No.1
This paper analyzes the characteristics of embodied technological knowledge flow - structure of Korean manufacturing in dynamic perspective, and the relations among knowledge (R&D), embodied knowledge and the rate of technological progress (TFP growth) considering the flow - structure. In doing that, the concept of the embodied knowledge network is introduced which is defined as a set of industries and their interaction (embodied knowledge flow) or linkage. The analysis of the inter - industrial embodied knowledge flows is based on the input - output technique for the 1983-93 period and is carried out by such methodology as network analysis, indicator analysis and regression analysis. The main findings are as follow. First, the structure of embodied knowledge flow can be distinguished between the knowledge out flow sect or sand the inflow sectors. The outflow sectors seem to form the multi - central structure and the inflow sectors to form the dualistic structure. Second, in the both of outflow and inflow sectors, we can find significant spillover from embodied knowledge respectively. Furthermore, TFP growth in the knowledge inflow sectors is positively related to spillover through the intermediary sectors.
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Histalog 자극(刺戟) 위액(胃液)에 있어서 분비(分泌)된 유리(遊離)염산의 총량(總量)과 최고농도치(最高濃度値)에 관(關)한 연구(硏究)
김문수,고광도 대한소화기학회 1970 대한소화기학회지 Vol.2 No.2
The gastric juice analysis of 142 cases (67 normal cases, 46 peptic ulcer cases, and 29 gastric carcinoma cases) after the injection of Histalog (0.5mg/kg) was compared with the difference of percentages in each group of acidity, which was classified by normal mean value of total amount (12.43±7.54 mEq/60min) and peak value of gastric fractional analysis (57.33±25.79mEq/15min) of free HCl, ie. Hyperacidity, normoacidity, hypoacidity, anacidity. The result obtained was as follows: 1. In 67 normal cases: a) As regards total amount of free HCl, 46 cases (68. 5%) had normoacidity, 7 cases(10, 8 %) had hyperacidity, 10 cases (14.9%) had hypoacidity, there was not anacidity group. b) As regards peak value of free HCl, 43 cases (64.2%) had normoacidity, 10 cases (14.9%) had hyperacidity, 10 cases (14.9%) had hypoacidity, there was not anacidity group. 2. In 22 gastric ulcer cases: a) As regards total amount of free HCl, 11 cases (50%) had hyperacidity, 8 cases (36.4%) had normoacidity, 3 cases (13.6%) had hypoacidity, there was not anacidity group. b) As regards peak value of free HCl, 4 cases (18.2%) had hyperacidity, 16 cases (72.7%) had normoacidity, 2 cases (9.1%) had hypoacidity, there was not anacidity group. 3. In 24 duodenal ulcer cases: a) As regards total amount of free HCl, 18 cases (75%) had hyperacidity, 3 cases (12.5%) had hypoacidity, 3 cases (12.5%) had normoacidity, there was not anacidity group. b) As regards peak value of free HCl, 15 cases (62.5%) had hyperacidity, 7 cases (29.2%) had normoacidity, 2 cases (8.3%) had hypoacidity, the was not anacidity group. 4. In 29 cases of the gastric car cinoma: a) As regards total amount of free HCl, had normoacidity, 8cases (27.6%) had 5 cases (17.2%) had hyperacidity, 2 cases (6.9%) hypoacidity, 14 cases(48.3%) had anacidity group. b) As regards peak value of free HCl, 4 cases (13.8%) had hyperacidity, 6 cases (20.7%) had normoacidity, 5 cases (17.2%) had hypoacidity, 14 cases (48.3%) had anacidity group. 5. The difference of percentages in gastric acidity according to each mean value of total amount and peak value of free HCl was detected as shown above.
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