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- 저자 : 이한성 (검색결과 346 건)
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이한성,임영희,박주영,박대희,Lee, Han-Sung,Im, Young-Hee,Park, Joo-Young,Park, Dai-Hee 한국지능시스템학회 2003 한국지능시스템학회논문지 Vol.12 No.2
본 논문에서는 클러스터링을 기반으로 하는 새로운 침입탐지 알고리즘인 Kernel-ART를 제안한다. Kernel-ART는 개념벡터(concept vector)와 SVM(support vector machine)의 머서 커널(mercer-kernel)을 온라인 클러스터링 알고리즘인 ART(adaptive resonance theory)에 접목시킨 새로운 알고리즘으로서 교사학습 기반 침입탐지 시스템의 단점을 극복할 뿐만 아니라, 클러스터링 기반 침입탐지 시스템에서 요구되는 모든 평가 기준들을 만족한다. 본 논문에서 제안하는 알고리즘은 클러스터를 점증적으로 생성함으로써 여러 가지 다양한 침입 유형들을 실시간으로 탐지할 수 있다. In this paper, we propose a new adaptive intrusion detection algorithm based on clustering: Kernel-ART, which is composed of the on-line clustering algorithm, ART (adaptive resonance theory), combining with mercer-kernel and concept vector. Kernel-ART is not only satisfying all desirable characteristics in the context of clustering-based IDS but also alleviating drawbacks associated with the supervised learning IDS. It is able to detect various types of intrusions in real-time by means of generating clusters incrementally.
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이한성,임영희,박주영,박대희 한국지능시스템학회 2003 한국지능시스템학회논문지 Vol.11 No.3
In this paper, we propose a new adaptive intrusion detection algorithm based on clustering: Kernel-ART, which is composed of the on-line clustering algorithm, ART (adaptive resonance theory), combining with mercer-kernel and concept vector. Kernel-ART is not only satisfying all desirable characteristics in the context of clustering-based IDS but also alleviating drawbacks associated with the supervised learning IDS. It is able to detect various types of intrusions in real-time by means of generating clusters incrementally. 본 논문에서는 클러스터링을 기반으로 하는 새로운 침입탐지 알고리즘인 Kernel-ART를 제안한다. Kernel-ART는 개념 벡터(concept vector)와 SVM(support vector machine)의 머서 커널(mercer-kernel)을 온라인 클러스터링 알고리즘인 ART(adaptive resonance theory)에 접목시킨 새로운 알고리즘으로서 교사학습 기반 침입탐지 시스템의 단점을 극복할 뿐만 아니라, 클러스터링 기반 침입탐지 시스템에서 요구되는 모든 평가 기준들을 만족한다. 본 논문에서 제안하는 알고리즘은 클러스터를 점증적으로 생성함으로써 여러 가지 다양한 침입 유형들을 실시간으로 탐지할 수 있다.
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자발적인 전자의무기록 약물보고시스템을 이용한 성인 응급의료센터의 약물유해반응의 임상적 특성
이한성,이정훈,서준석,도한호,김재승,이준규 대한응급의학회 2017 대한응급의학회지 Vol.28 No.2
Purpose: Adverse drug reaction (ADR) is known to be a substantial reason for emergency departments (ED) visits. Additionally, it also is a frequent occurrence in ED. The aim of the study was to compare the characteristics between ADRs that occurred in ED and ADRs that occur elsewhere based on the spontaneous reporting system in a hospital. Methods: In this retrospective observational study, the data was collected by the spontaneous ADR reporting system within an electronic medical record system during a 24-month period. ADR of patients aged more than 18 years were included in this study. Results: Patients with ADR was older in ED (42.6±14.5 vs. 53.9±17.2, p<0.001) and they were administered with less medications (2.0±1.3 vs. 4.4±4.4, p<0.001). The proportion of ADR reported by doctors in ED was higher than that in non-ED (41.2% vs. 28.2%, p<0.001). The proportion of the severe ADR was not significantly different between the ED and non-ED groups (2.9% vs. 3.8%, p=0.701). The most common symptom of ADRs in ED and non-ED groups were cutaneous (52.9%) and gastrointestinal (42.2%), respectively; the most common implicated medication was analgesics (62.7%) and analgesics (41.5%), respectively. Conclusion: The characteristics of ADR in ED is different from that in non-ED locations. Further studies are needed to differentiate education and prevention strategies of ADR in ED from those in non-ED locations.
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