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RDF와 RDF 스키마를 위한 경로 정보 기반의 저장 시스템 설계 및 구현
申奭哲,鄭均樂 弘益大學校 科學技術硏究所 2005 科學技術硏究論文集 Vol.16 No.-
In the Semantic Web, metadata and ontology for representing semantics and conceptual relationships of information resources are essential factors. RDF and RDF Schema are the W3C standard models for describing metadata and ontology. In this paper, we design two schema structures for managing RDF and RDF Schema data independently. First, to avoid full scanning a single large triple table, we decompose the table into several property-based tables. we fully use the property-centric features of RDF data model. This lead better performance for a query having a specific property which is the most common query pattern. Second, we propose a structure for storing path expressions in graph models of RDF and RDF Schema. We adapt a labeling scheme to fastly process schema queries on the class/property hierarchy without multiple iteration and/or join operations. We can retrieve entities that are reached from a certain class, property, resource, or literal in RDF and RDF without a decline of performance because of multiple joins with tables.
두부손상 환자의 정신과적 합병증에 관한 장애 감정례의 일반 사항에 관한 분석
신석철,왕성근,신윤오,김덕호,김상국,강동숙 충남대학교 의과대학 지역사회의학연구소 1991 충남의대잡지 Vol.18 No.2
Authorst ried retrospective analysis to find out general characteristics of the patients undergoing disability evaluation at the department of psychiatry Chungnam National University Hospital from 1986 to 1990. The subjects, who were suffered from psychiatric complications due to head trauma by traffic accident, were 66 patients and they were classified depending on the demographic status, situations of traffic accident, evalaution periods, whether or not perform operation, and rates of evaluated disability and diagnosis. The results were summarized as follows. 1. General background of the subjects were as follows. 1) The frequency order of request were court(59 %) and insurance company(19.7%). 2) The place of accident was more common in large city, common accident vehicle were bus, truck, and cabs. 3) The season of accident were more common in Spring and Autumn. 2. Male(71.2%) was more common than in female and more common in the age group of 5-19 years old(37.9%). The most frequent job of the patients was labour, and the education level was more common in the graduates of elementary school(47.9% ). 3. The interval between accident and evaluation was most frequent in 12-23 months(47.5%), and duration of evaluation was mostly 14 to 21 days. Performed brain operation was 31.8% and non-operated patients was 50.0%. The rates of disability according to the McBride's disability evaluation were mostly belonged to the group of beow 40%(74.1%). 4. The final diagnosis after evaluation were organic personality disorder(45.5%) and dementia(31.8%).
정신분열증에서 심리기능장애와 예후와의 관계에 관한 임상적 고찰
신석철 충남대학교 의과대학 지역사회의학연구소 1989 충남의대잡지 Vol.16 No.2
To investigate the effects of psychological Impairments on the prognosis in schizophrenia, 148 schizophrenic patients on Screening Schedule were applied 10 items of Psychological impairment Rating Schedule. The author devided the long-term prognosis of Diagnostic and Prognostic Schedule into the group of good prognosis (85 cases) and the group of poor prognosis (63 cases) and to find out the difference of symptom structure between two groups, tried factor analysis using SPSS/PC+ based on the scores of each subitems. The results of factor analysis were as follows: 1. In the group of good prognosis, 3 factors were extracted as disordered communication factor, attention withdrawal and loss of initiative factor, and psychic slowness factor. In the group of poor prognosis, 3 factors were extracted as disordered communication by expression factor, fatigue factor, and psychic slowness factor. 2. Generally, disordered communication was common in both groups but, in the group of poor prognosis attention withdrawal, loss of initiative, disordered self-expression were the additional symptoms and subjective fatigability was characteristic, and psychic slowness was common symptom in both groups.
정신분열증 환자에 있어서 일반 건강설문의 인자 분석 연구
신석철,김충수 충남대학교 의과대학 지역사회의학연구소 1987 충남의대잡지 Vol.14 No.2
To investigate the components of general health in schizophrenia, the author applied the Korean version of Goldberg and Hillier's General Health Questionnaire on the 57 schizophrenic patients, and tried factor analysis using SPSS/PC+based on the scores of each items. The result of factor analysis were summarised as following 6 factors: Factor 1 was somatic symptoms and depression factor, factor 2 was indecisiveness factor, factor 3 was role dysfunction factor, factor 4 was insomnia factor, factor 5 was neurasthenia and escape factor, and factor 6 was nervousness and inefficiency factor. This results were thought to be as the concentration of genreal health in schizophrenia.
韓國人 靑年 男子의 肛門性 性格 特性에 關한 因子分析 硏究
申石澈 충남대학교 의과대학 지역사회의학연구소 1980 충남의대잡지 Vol.7 No.2
The author attempted to confirm anal trait of the Korean adult male. This study was based on a translation into Korean of the anal trait scale of Gotheil and consisted of a forty item questionnaire regarding the anal traits. This study also tried to perform principal component factor analysis based on the score of forty item questionnaires on anal trait scale from the one hull-ire] fifty adult males, and varimax rotated factors with Kaiser normalization. The result of principal component factor analysis based on the score of forty item questionnaire on the anal trait scale, i. e. anal trait of the Korean adult male showed the following factors as being cominant. Indecisiveness factor, Practicalness factor, Emotional constrictiveness factor, Checking factor, Rigidity factor, Miseriness factor, Conservativeness factor, Design factor, Meticulousness factor, Parsimony factor, Perfectionistic factor, Accuracy factor, Cleanliness factor, Sensitivity factor, and Orderliness factor.
申石澈 충남대학교 의과대학 지역사회의학연구소 1981 충남의대잡지 Vol.8 No.2
The simple visual reaction time was measured and discussed the irregular preparation interval of one through ten second for 14 schizophrenics and same number of normal control group, who was matched age and sex with schizophrenic research group. Simple reaction time is more prolonged in schizophrenic group than that of normal control group. Figure of the reaction time to every prepation interval was revealed U-shape of schizophrenics against L-shape in normal control group.
신석철,김정란,지익성 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1
It has been known that mania in the elderly was a uncommon condition, but the incidence of first admissions for mania tends to increase with advancing age. The etiology of late-onset mania appears to be more heterogeneous, which including identifiable causes, especially brain diseases. The psychopathology of late-onset mania is often attenuated and less severe than in the young. Lithium remains the primary medication in mania in the elderly. However, certain anticonvulsants (valproic acid and carbamazepine) have a number of advantages, including a more tolerable as patients with secondary mania due to neurological and other medical disorders. We report a case of first-episode mania in 73-year old woman, who was treated with valproic acid for 2 weeks to attain stabilizing her symptoms.