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박재식(Jae-Shik Park),소명옥(Myong-Ok So),오세준(Se-June Oh),유희한(Hee-Han Yoo),박진길(Jin-Gil Park),하주식(Joo-Shik Ha) 한국마린엔지니어링학회 2003 한국마린엔지니어링학회 학술대회 논문집 Vol.2003 No.-
Photovoltaic power generation systems are expected to be widely used becase of their cleanness in the environment. But one of their disadvantages is the unexprected fluctuation of photovoltaic power generated by the weather conditions.<br/> This paper proposes to predict the output fluctuation of photovoltaic power by analyzing clouds through the image processing technique. First, the velocity of the cloud in the image is calculated by the comparison between two sequential images of the cloud, and then, the weather conditions are forecasted by examining the color values of the image along the direction of the cloud movement. Experimental results, the weather forecast 60, 90 and 120 seconds ahead and the estimation of the time required for the solar radiation to fluctuate on a large scale, show the possibility of the prediction of the output fluctuation of photovoltaic power generation system.<br/>
최은선 ( Eun-seon Choi ),크언삭소니따 ( Saksonita Khoeurn ),박유희 ( Yoo-hee Park ),조완섭 ( Wan-sup Cho ) 사단법인 한국빅데이터서비스학회 2023 빅데이터서비스학회 논문집 Vol.1 No.1
일자리 추천 시스템은 구직자와 구인자의 정보를 바탕으로 가장 적합한 매칭을 구직자 (혹은 구인자)에게 자동으로 추천하는 시스템으로 최근에는 인공지능 기술을 사용하여 추천의 만족도를 높이고 있다. 본 연구에서는 대표적인 공공 취업 알선 포털인 워크넷에서 제공한 기존 추천 서비스 결과에 대한 데이터를 다각도로 분석함으로서, 추후 개인화를 통한 개선방안 제시를 위한 초기연구로 활용함에 목적을 둔다. The job recommendation system is a system that automatically recommends the most suitable match to job seekers (or job seekers) based on the information of job seekers and companies. Recently, various artificial intelligence technologies based on big data are used to increase the satisfaction of recommendations. In this study, we multi-dimensionally analyze data on the results of the existing recommendation service provided by Worknet, a representative public job placement portal, and aim to use it as an initial study to suggest improvement plans through personalization in the future.
김진배,장호중,유희철,박순문 한국학교체육학회 2003 한국학교 체육학회지 Vol.13 No.2
본 연구의 목적은 태권도 참여정도와 목표지향 및 인지된 자유감의 관계를 규명하는데 있어 연구대상은 2003년 현재 서울?경기 지역에 거주하며 태권도 수련을 하는 20세이상의 성인 남 228명, 여 272명, 총 500명을 대상으로 하여 목표지향을 측정하기 위해 Duda(1989)와 Nicholls(1989)에 의해서 개발된 TEOSQ를 성창훈이(1995)이 번안 작성한 설문지를 사용하였고 인지된 자유감(perceived freedom)을 측정하기 위해서는 여가진단 도구(Leisure Diagnostic Battery; LDB, Witt & Ellis, 1987) 원형중(1989)이 한국의 실정에 맞게 번안 검증하여 재개발한 여가진단 도구중에서 인지핀 자유감 척도를 사용하였다. 자료분석을 위해 사용된 통계분석은 프로그램인 WNDOWS용 SPSS/PC+ 10.0버전 을 이용하여 빈도분석(Frequency), 신뢰도분석(Reliability analysis), 일원인량분석(one-way ANOVA), 중다회귀블석 (multiple regression analysis)을 실시한 결과 첫째, 인구통제학적 특성에 따른 목표지향, 인지된 자유감의 차이는 부분적으로 나타났다. 둘째, 태권도 수련정도와 목표지향 및 인지된 자유감은 부분적으로 영향을 미치는 것으로 나타났다. 셋째. 태권도 수련자의 목표지향은 인지된 자유감에 영향을 미치는 것으로 나타났다. A study on the relation among the level of practice of Taekwondo, goal orientation and perceived freedom The purpose of this study is to look into the relation among the level of practice of Taekwondo, goal orientation and freedom. The, survey was conducted against 500 subjects, which consists of 272 female adults and 228 male adults above 20 who are practicing Taekwondo in the Seoul and Gyeonggi areas as of 2003. For evaluating the goal orientation, we used two research tools: 1) for evaluating the goal orientation, the questionnaire that Seong Chang-hun(1995) adapted the TEOSQ(Task and Ego Orientation in Sort Questionnaire) which was developed by Duda(1989) and Nicholls(1989), 2) for evaluating the perceived freedom, the perceived freedom scale which is one of the tools that Won Hyeong-jung(1989) adapted, verified and re-deveoped the LDB(Leisure Diagnostic Battery; Witt & Ellis, 1987) in consideration of domestic conditions. For analysis, we performed frequency analysis, reliability analysis, one-way ANOVA, and multiple regression analysis against the data with SPSS/PC+ Version 10.0 for WINDOWS which one of popular statistical analysis programs. Based on the above research procedure, we could conclude as follows: First, difference between the goal orientation and the perceived freedom of Taekwondo practicians was partially shown on the basis of demographic characteristics. Second, the level of practice of Taekwondo partly influenced their goal orientation and perceived freedom. Third, their goal orientation influenced their recognized freedom.
이동화,조성원,심찬섭,오상권,유희,박금민 대한소화기내시경학회 1985 Clinical Endoscopy Vol.5 No.1
A 46-year-old female was admitted to Soon Chun Hyang University hospital with a complaint of intermittent epigastric pain. X-ray and endoscopic pictures showed diffase irregular shallow depression which is similar to the macroscopic pattern of the type IIc early gastric cancer. But endoseopic biopsy showed no malignant cell infiltration. Hndoaeopic biopsy plays an important role in excluding the possibility of carcinoma. But operation shoud be considered inspite of biopsy result because malignant lymphoma ean not be completely ruled out. Histopathologic diagnosis was pseudolymphoma of stomach.