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재구성 가능 메쉬에서 원형 문자열의 최소 시작점을 찾는 상수 시간 알고리즘
진영호(Young Ho Jin),유관우(Kwan Woo Ryu) 한국정보과학회 1997 한국정보과학회 학술발표논문집 Vol.24 No.2Ⅳ
원형 문자열 C=(c_0, c₁... , c_(n-1))에서 C(i)=[c₁, ... , c_(n-1), c_0, ... , c_(i-1)]를 시작점의 인덱스가 i인 C의 선형 문자열이라 할때, C(i)=[c_i, ... , c_(n-1), c_0, ... c_(i-1)]가 C(j)=[c_j, ... , c_(n-1), c_0, ... c_(j-1)]보다 사전 찾기 순서에서 앞서면 C(i)<C(j)라고 하고, C(i)<C(j) 혹은 C(i)=C(j)이면 C(i)≤C(j)라고 한다. 이때 0≤j≤n-1인 모든 j에 대해서 C(j_0)≤C(i)인 인덱스 j_0을 원형 문자열 C의 최소 시작점(Minimal Starting Point)이라 정의한다. 본 논문에서는 n×n 재구성 가능 메쉬(Reconfigurable Mesh)를 사용해서 O(1)시간에 주어진 원형 문자열의 최소 시작점을 찾는 알고리즘을 제시한다. 또한, O(1)시간에 원형 문자열의 주기를 찾아내는 알고리즘과 같은 시간에 제한된 문자열들을 정렬하는 알고리즘을 제시하는데, 이는 제시되는 최소 시작점 찾기 알고리즘에 반드시 필요한 부수적 알고리즘들이기도 하지만 그 자체로도 큰 의미가 있다고 할 수 있다.
진영호(Young Ho Jin),박상규(Sang Gyu Park):권석환(Seok Hwan Kwon):윤태호(Tai Ho Yoon),장기용(Kie Young Jang),정원후(Weon Hu Chung):장진열(Jin Yeol Jang) 한국중독정신의학회 2000 중독정신의학 Vol.4 No.1
The purpose of this study is to identify characteristic personality trait of methamphetamine abuse patients by analyzing MMPI profiles. 52 methamphetamine abuse patients and 52 healthy subjects completed MMPI. MMPI profiles in two groups were analyzed by t-test and discriminant function analysis. The mean T scores of MMPI profiles in methamphetamine abuse patients were analyzed by multivariate cluster analysis to identify differences and characteristics among 4 groups with similar MMPI profile findings. Methamphetamine abuse patients showed higher scores in F, Hs (1), Hy (3), Pd (4), Pa (6), Sc (8), and Ma (9) profiles of MMPI than normal controls did, especially higher score in Pd (4). Methamphetamine abuse patients didn t have a single typical personality trait, but most of them had antisocial personality traits. They showed increased hostility, impulse control impairment, and decreased frustration tolerance. To establish therapeutic plan and predict prognosis in methamphetamine abuse patients, the understanding of characteristic personality trait is needed.
재구성 가능 메쉬 상에서 문자열 정렬을 위한 상수 시간 알고리즘 (pp.655-657)
진영호(Young Ho Jin),유관우(Kwan Woo Ryu) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.1A
본 논문에서는 임의의 알파벳 Σ상의 m개 문자열 L=(X_0, X₁, ... , Xm-₁)이 주어질 때, 이들을 사전 배열 순서로 정렬하는 알고리즘을 제시하는데, 이때 각 문자열 X_i (0≤i≤m-1)의 길이의 합 [수식]는 n이다. 이 문제를 해결하는 기존 알고리즘들로는 최적 순차 알고리즘과 PRAM(Parallel Random Access Machine) 모델 상에서의 몇몇 병렬 알고리즘들이 존재하지만, 재구성 가능 메쉬(reconfigurable mesh) 상에서 이 문제를 해결하는 알고리즘은 존재하지 않는다. 따라서, 본 논문에서는 n×n 재구성 가능 메쉬 상에서 위의 알고리즘들에서는 사용되지 않은 새로운 방법을 사용하여, 상수 시간에 주어진 문제열들을 정렬하는 알고리즘을 제시한다.
재구성 가능 메쉬 상에서 문자열 정렬을 위한 상수 시간 알고리즘 (pp.1454-1461)
진영호(Young Ho Jin),류관우(Kwan Woo Ryu) 한국정보과학회 1998 정보과학회논문지 : 시스템 및 이론 Vol.25 No.12
본 논문에서는 임의의 알파벳 ∑상의 m개 문자열 L= (X_0, X₁, ... , X_(m-1))이 주어질 때, 이들을 사전 배열 순서로 정렬하는 알고리즘을 제시하는데, 이때 각 문자열 X_t (0≤i≤m-l)의 길이의 합 (m-1)^(∑)_(i=0) X_t 는 n이다. 이 문제를 해결하는 기존 알고리즘들로는 최적 순차 알고리즘과 PRAM(Parallel Random Access Machine) 모델 상에서의 몇몇 병렬 알고리즘들이 존재하지만, 재구성 가능 메쉬(reconfigurable mesh) 상에서 이 문제를 해결하는 알고리즘은 존재하지 않는다. 따라서, 본 논문에서는 n×n 재구성 가능 메쉬 상에서 위의 알고리즘들에서는 사용되지 않은 새로운 방법을 사용하여, 상수 시간에 주어진 문자열들을 정렬하는 알고리즘을 제시한다. We present an algorithm for sorting a list L= (X_0, X₁, ... , X_(m-1)) of m strings over an arbitrary alphabet ∑, where (m-1)^(∑)_(i=0) =n. There are several solutions for this problem including an optimal sequential algorithm and several parallel algorithms on the PRAM model. However, there is no algorithm for solving this problem on the reconfigurable mesh model, yet. Hence, we develop in this paper a constant time algorithm for solving this string sorting problem on the n×n reconfigurable mesh by using a new technique that does not appear in the previous algorithms mentioned above.
Clinical Features of Acute Endosulfan Intoxication: A study of 15 cases
Jin-Ho Lee,정태오,이재백,강지훈,진영호 대한응급의학회 2008 大韓應急醫學會誌 Vol.19 No.5
Purpose: The unrestricted use of endosulfan results in many cases of intentional and unintentional poisoning, mainly in developing countries. We report our experience with the clinical features of endosulfan poisoning. Methods: Fifteen patients with endosulfan exposure who came to our emergency department (ED) during the study period were retrospectively enrolled. Toxicological history, toxic symptoms and signs, and laboratory test results were collected from the ED medical records. The patients were classified into two groups according to the presence or absence of seizures. The quantitative data and dichotomous variables were compared between the two groups. Results: The 15 patients, 9 women and 6 men, had a mean age of 54.7 years. Most of the poisonings (13 patients, 86.7%) stemmed from deliberate self-harm, while the other two were unintentional. The patients were categorized into seizure (10 patients) and no-seizure (5) groups. After the acute phase of toxicity, complications were observed in 9 patients and all of them belonged to the seizure group. Eight patients in the seizure group progressed to status epilepticus and needed mechanical ventilatory support. Four of these patients (50%) subsequently died. The duration of hospital stay was 8.5 days in the seizure group and 3.0 days in the no-seizure group. White blood cell counts, blood glucose, and enzyme function tests for the liver, pancreas, heart, and muscles were abnormally increased in the seizure group, all occurring within the initial 24 hours after the onset of seizure. Severe metabolic acidosis was also present in the seizure group. Conclusion: Seizure or status epilepticus accompanied by involvement of several organs was distinctive feature of endosulfan exposure/poisoning. Therefore, emergency physicians who practice in agricultural areas should have a high index of suspicion when treating patients presenting with acute repetitive seizure, accompanied by gastrointestinal complaints and laboratory evidence of multiple organ dysfunction including metabolic acidosis.
진우제,진영호,정태오,이재백,Jin Woo-Je,Jin Youngho,Jeong Tae-O,Lee Jae- Baek 대한임상독성학회 2004 대한임상독성학회지 Vol.2 No.1
Phytolaccaceae had been used as a pharmaceutical drugs or food in Korea. Nowadays, it is rarely used due to its toxicity, and then, case reports as to poisoning also are rare. Recently, Authors experienced a case of an occurrence in a group intoxication after ingestion of roots of phytolacca american a misidentifying as arrowroot. We report this case with review of phytolacca radix poisoning.
한방환약 복용 후 발생한 Aconitine 중독의 임상독성학적 특성과 환자관리
조울림,진영호,정태오,이재백,강지훈,Cho, Wool-Lim,Jin, Young-Ho,Jeong, Tae-Oh,Lee, Jae-Baek,Kang, Ji-Hun 대한임상독성학회 2008 대한임상독성학회지 Vol.6 No.2
Purpose: Unrefined tablets prepared from Aconitum tubers are occasionally used in Korean folk medicine. This study defines the potential sources, clinical toxicology, and treatment of aconitine poisoning. Methods: A retrospective survey was conducted in 63 patients in the ED of a tertiary University Hospital with suspected toxicity from an unrefined tablet prepared from Aconitum tubers from 1999 to 2007. Results: A total of 63 cases enrolled included 26 men and 37 women, aged 30 to 86 years. Forty-eight patients ingested aconitine tablets as digestives, 26 tablets on average. After a latent period of 30 to 450 minutes, patients developed a combination of neurologic (87.3%), gastrointestinal (82.5%), cardiopulmonary (41.3%), and other (28.6%) features typical of aconitine poisoning. Initial ECG abnormalities revealed dysrhythmia (61.9%), conduction disturbance (42.9%), and abnormal waveforms (39.7%), with 28.6% of patients having normal ECGs. All patients received supportive treatment or close observation regardless of ingestion amounts. Patients with hypotension or ventricular arrhythmia were treated with inotropic agents or amiodarone. Conclusion: Toxicologic signs and symptoms can occur after the consumption of aconitine tablets, regardless of ingestion amount. The risk occurs because of inadequately processed aconitine roots. This study will provide important data for public education and distribution regulations for Aconitum sp. in Korea.