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김정오,이관용 서울대학교 어학연구소 1984 語學硏究 Vol.20 No.3
Kim, Rhee and Cho (1984) found that the prime word pattern-masked at a 50% identification threshold facilitates lexical decision of the semantically related probe word. An experiment was run to test whether this result can be replicated at a 30% identification threshold. In order to control any substantial differences among subjects regarding associative relation between the prime and probe words, half of the subjects were asked to relearn the associative relations between words while the remaining half were given free recall learning of the probe words. Then, subjects were given a lexical decision task in which the prime was presented with or without pattern mask at the 30% identification threshold. The present experiment obtained a 30-msec associative facilitation effect, confirming the results reported by Kim et al. Several hypotheses were examined to explain these results: the frequency hypothesis, the number of meaning hypothesis and the sophisticated guessing model. All of these explanations were found unsatisfactory and thus a new model termed cyclic information processing was proposed to explain the associative facilitation effect at 30-50% identification thresholds and other related findings. Discussion was made on the relationship between awareness and the associative facilitation effect and on two types of visual information processing in word perception.
코로나19 이전(2019)과 이후(2020)에 항공사와 직원 관련 언론사 뉴스 기사 비교분석
김정오,권충훈 한국컴퓨터정보학회 2020 韓國컴퓨터情報學會論文誌 Vol.25 No.7
This study aims to analyze the number and trend of news media news through timely analysis of how the articles about airlines and employees show changes before and after Corona19 in the situation where the world economy faces various problems due to the global pandemic of Corona19. For this purpose, the number of articles and trends related to airlines and employees were analyzed and visualized before and after Corona19 using the Korea Press Foundation Bigkinds news analysis service. For this purpose, the Bigkinds service system was extracted from January 1, 2019 to May 31, 2019 and from January 1, 2020 to May 31, 2020. The results of the analysis showed that the number of articles before and after Corona 19 exploded when aviation related events occurred. And it was confirmed that the trend is changing due to the restructuring news. Government and airlines will need to make active efforts to overcome the crisis in the aviation industry due to the impact of Corona 19. The results of this study are significant in that it analyzed the number and trends related to news articles before and after Corona 19, and suggested practical implications for establishing strategies for the future impacts on airlines and employees. 본 연구는 코로나19의 세계적 대유행(Pandemic)으로 인하여 세계경제가 다양한 문제에 직면하는 상황에서 항공사와 종사원에대한 기사들은 코로나19이전과 이후에 어떤 변화를 나타내고 있는지 시기적인분석을 통한 언론사뉴스 기사건수와 트렌드를 분석해보고자 하는 것이다. 이를 위해 한국 언론진흥재단(Korea Press Foundation) 빅카인즈(Bigkinds) 뉴스 분석 서비스를 이용하여 코로나19 이전과 이후 항공사와 종사원에 관련된 기사건수와 트렌드를 분석하여 시각화하였다. 이를 위해 2019년 1월1일에서 5월31일까지 그리고 2020년 1월 1일에서 5월 31일까지 빅카인즈 서비스 시스템을 통해 추출하였다. 분석결과 코로나19 이전 과 이후에 기사건수는 항공관련이벤트가 발생한 경우 폭발적으로 증가하였다. 그리고 구조조정관련 뉴스로 트렌드의 변화가 일어나고 있음을 확인할 수 있었다. 코로나19의 영향에따른 항공 산업의 위기 극복을 위해 정부 및 항공사의 적극적인 노력이 필요할 것이다. 본 연구 결과는코로나19 이전과 이후 뉴스기사와 관련된 건수와 트렌드를 분석하여 향후 항공사 및 종사원에게 닥칠수 있는 영향에 대한 전략 수립에 필요한 실무적 시사점을 제시하였다는 점에서 의의를 갖는다.
김정오,최운,김하영,최광림,이병엽 大田産業大學校 1995 한밭대학교 논문집 Vol.12 No.0202
Continuous wave CO_2 laser beam welding was carried out to study the weldability of SAPH steel plates with different thicknesses. The effects of gap size in butt welding of SAPH steel plates was as followed; In the range of the gap size≥0.1mm, the optimal welding speed was faster than obtained from no-gap(air gap) condition, which this behavior was independent on the difference of thickness at any combination. The allowable gap size in butt welding of steel plate with different thickness was larger than with same thickness because a side of different thickness is take more extra throat thickness than same thickness. In the range of the gap size≥0.2mm, filler wire must be used for full penetration.