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김준수,조재영,이재경,박아름,박진혁,윤현목,전연수,Kim, Joon Soo,Cho, Jae Young,Lee, Jae Kyung,Park, Areum,Park, Jin Hyuk,Yun, Hyun Mok,Jun, Yun-Su 한국자원리싸이클링학회 2019 資源 리싸이클링 Vol.28 No.5
Recently, it is increasing a amount of installized solar-cell rapidly, and waste Solar cell module are generated in according to the reduction of efficiency largely. Therefore, it is concerned at the environmental problems and recycling of valuable materials, greatly. The treatment processes of end-of-life photovoltaic modules are composed the disassembly of Aluminum frames, separation of Tempered glass, removal of Ethylene Vinyl Acetate and recovery of valuable Metals. For the efficient recycling, we are considered to the treatment technology seriously. And we are proposed on the general opinions according to the developing technology, EPR (Extended Producer Responsibility) problems and promotion plans for the activation of recycling industry.
김준수,Kim, Jun-Su 한국데이터베이스진흥원 1999 디지털콘텐츠 Vol.9 No.-
지식관리시스템은 2000년까지 2억명 이상의 화이트컬러 및 근로자들에 의해 사용되어 질 것이라 전망되고 있으며 기업들은 성공적인 지식관리시스템 구축에 심혈을 기울이고 있다. 많은 사례들에 볼 수 있듯이 지식관리시스템은 단순히 정보기술에 집중한 시스템이 아니다. 하지만 이 글에서는 지식관리시스템에서 중요한 역할을 담당하는 정보기술 요소에 대해 살펴본다.
정제된 의미정보와 시소러스를 이용한 동형이의어 분별 시스템
김준수,옥철영,Kim Jun-Su,Ock Cheol-Young 한국정보처리학회 2005 정보처리학회논문지B Vol.12 No.7
Word Sense Disambiguation(WSD) is one of the most difficult problem in Korean information processing. We propose a WSD model with the capability to filter semantic information using the specific characteristics in dictionary dictions, and nth added information, useful to sense determination, such as statistical, distance and case information. we propose a model, which can resolve the issues resulting from the scarcity of semantic information data based on the word hierarchy system (thesaurus) developed by Ulsan University's UOU Word Intelligent Network, a dictionary-based toxicological database. Among the WSD models elaborated by this study, the one using statistical information, distance and case information along with the thesaurus (hereinafter referred to as 'SDJ-X model') performed the best. In an experiment conducted on the sense-tagged corpus consisting of 1,500,000 eojeols, provided by the Sejong project, the SDJ-X model recorded improvements over the maximum frequency word sense determination (maximum frequency determination, MFC, accuracy baseline) of $18.87\%$ ($21.73\%$ for nouns and inter-eojeot distance weights by $10.49\%$ ($8.84\%$ for nouns, $11.51\%$ for verbs). Finally, the accuracy level of the SDJ-X model was higher than that recorded by the model using only statistical information, distance and case information, without the thesaurus by a margin of $6.12\%$ ($5.29\%$ for nouns, $6.64\%$ for verbs). 단어 의미 중의성 해소는 자연언어처리 분야에 매우 중요한 부분이다. 본 논문에서는 사전 뜻풀이 특성을 이용해 기존의 의미정보를 정제하고 유용한 정보인 확률정보, 거리정보 및 격정보 등을 추가한 WSD 모델을 제안하였으며, 사전을 기반으로 구축된 "울산대학교 어휘 지능망(UOU-Word Intelligent Network: U-WIN)" 상의 단어 계층적 구조(시소러스)를 이용하여 의미정보의 자료 부족 문제를 해소하는 모델을 제시하였"다. "21세기 세종 계획"에서 제공하는 150만 어절 규모의 의미 태그 말뭉치를 대상으로 한 실험에서 최다 빈도 의미 결정(Maximum Frequence Class, MFC, 정확률 베이스라인)에 비해 $18.97\%$(명사 $21.73\%$, 동사 $17.11\%$) 정확률 향상을 보였으며, 기존의 확률 가중치와 어절 거리 가중치를 이용한 모델에 비해서는 $10.49\%$(명사 $8.84\%$, 동사 $11.51\%$)의 정확률 향상되었다. 또한 시소러스를 사용하지 않고 확률정보, 거리정보, 격정보 만을 이용한 모델에 비해 $6.12\%$(명사 $5.29\%$, 동사 $6.64\%$) 높은 정확률을 보였다.
SiC 휘스커로 강화한 6061 Al 합금 복합재료의 기계적 특성에 미치는 열간압출의 영향
김준수,임수근 ( Jun Su Kim,Su Geun Lim ) 한국주조공학회 1996 한국주조공학회지 Vol.16 No.2
N/A Both cast and extruded composites of SiC whisker reinforced 6061 Al alloy matrix were fabricated by high pressure infiltration of the alloy melt into the SiC preform and subsequent hot extrusion of the composite ingots. The micro structures, age hardening behavior and mechanical properties have been examined on the both cast and extruded composites of SiCw/6061. The cast composites of SiCw/6061 were obtained in which SiC whiskers were randomly oriented. Hot extrusion of these cast composites lead to alignment of the whisker in the direction of extrusion. Strengthening effect of whisker in the extruded composites is lower than that of the cast composites. The cast composites of SiCw/6061 showed higher thensile strength and lower elongation than extruded composites of SiCw/6061 at all testing temperatures. Lower tensile strength and higher elongation of the extruded composites were attributable to fine grain structures in which grain boundary sliding occurred preferentially at elevated temperatures.