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MDA기반 컴포넌트 설계정보 관리도구의 개발에 관한 연구
안용수 ( Yong-soo Ahn ),황상원 ( Sang-won Hwang ),남영광 ( Young-kwang Nam ),이병윤 ( Byeong-yun Lee ),권오천 ( Oh-cheon Kwon ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.1
MDA(Model Driven Architecture)는 추상적인 모델 계층을 사용하기 때문에 다양한 플랫폼에 적용가능하고, 각 모델 계층과 코드 생성의 자동화를 통해 개발의 효율성을 극대화한다. 본 연구에서는 XML 형태로 저장된 설계정보를 분석하여 MDA 기반 컴포넌트 설계 정보를 관리하는 도구를 개발하였다. 이 도구는 UML로 작성된 설계모델를 XMI(XML Metadata Interchage) 형태로 저장하여 각종 설계도구에서 Java, C++과 같은 언어에 대한 실제 프로그램 골격코드가 자동으로 생성되도록 하였다. 역으로 골격코드를 기반으로 구현된 콤포넌트의 원시코드를 수집하여 다시 컴포넌트 설계모델 정보를 추출하는 기능을 구현하였고, 이를 다시 시각적 정보로 재구성 하였다. 이러한 기능들은 기존의 단방향적 개발 구조 방식에서 벗어나 이미 개발되거나 개발 중인 프로그램에 대한 분석 및 평가 등을 통해서 재사용성을 높여주는 순환적인 개발 구조 방식을 제공한다.
황용수(Hwang Yong soo),김영석(Kim Young Suck) 현대문법학회 1998 현대문법연구 Vol.14 No.-
The purpose of this paper is to briefly review head movement and operator movement within Minimalist Program, point out the assumptions posed to cover all kinds of interrogatives, and analyze the syntactic structures of English interrogatives on the basis of Optimality Theory. In the framework of Minimalist Program, wh-questions are CPs headed by COMP with a [WH] specifier- feature, and wh-movement(movement of wh-operator expressions into spec-CP) is motivated by the need to check the [WH] specifier-feature of COMP. Auxiliary Inversion involves a head movement operation whereby an auxiliary moves from INFL to COMP because an interrogative COMP is strong by virtue of containing an abstract question affix and a strong head position must be filled. In the analysis of optimal interrogatives in terms of Minimalist Program, we need some assumptions such as enlightened self-interest, null-operator in yes-no questions, null-complementizer in embedded questions, and a strong COMP of English questions. Optimality Theory proposes an input and an output and a relation between the two. The relation between input and output is mediated by two formal mechanisms, GEN and EVAL. EVAL uses the language particular ranking of constraints from the universal set of constraints, which are violable. An optimal output form for a given input is selected from among the class of candidates: a form, for every pairwise competition involving it, best satisfies the highest-ranking constraint on which the candidates conflict, is optimal. Under OT, wh-movement, inversion of the subject and auxiliary verb and the appearance of the auxiliary verb do can be explained consistently by the interaction of universal constraints.
Sodium Hypochlorite 처리와 광도 및 복토 깊이의 차이가 부들의 종자 발아에 미치는 영향
김영주(Young-Ju Kim),허진아(Jin-Ah Heo),황용수(Yong-Soo Hwang),구자형(Ja-Hyeong Ku) 한국잡초학회·한국잔디학회 2005 Weed & Turfgrass Science Vol.19 No.2
The effect of sodium hypochlorite treatment on the germination of cattail (Typha spp.) seeds was investigated in growth chambers maintained on a 14-h photoperiod with various temperatures and light intensities. Germination rates of seeds were, in general, enhanced by the increase of light intensity and temperature regardless of cattail species. Seeds of T. oreientalis had 4.3, 13.0 and 7.3% germination at temperatures of 20, 25 and 30℃, respectively, under light intensity of 7.5 ㎛ol·m^(-2)·s^(-1). T. angustata showed higher germination rate, thus, 10.7, 22.7 and 50.7% under same temperature and light environment. Under high light intensity of 79.5 ㎛ol·m^(-2)·s^(-1), the germination rates of T. oreintalis and T. angustata were 78.3% and 88.7% at 30℃, respectively. Scarification of seeds with NaOCl (4%, available chlorine) increased germination rate in both species, especially even at low temperature of 20℃. Germination speed was also enhanced by NaOCl treatment. High light intensity further increased the germination rate. When NaOCl treated seeds were sowed on the soil surface in plastic house, the seedling emergence was nearly 100%. Untreated seeds of T. oreintalis and T. angustata showed 40 and 50%, respectively, in germination under same condition. However, when the depth of soil covering was over 1.0 cm, seedling emergence was retarded more than 1 month. On the process of seedling development, emergence of mesocotyl occurred firstly and after than primary root and first leaf were developed on the end of elongated mesocotyl. These results suggest that the promotion of seed germination by NaOCl pretreament may be induced from the increase of light absorptivity as well as water permeability through scarifying and bleaching the seed coat.
1-MCP 및 수확 후 처리가 복숭아(Prunus persica Batsch) ‘장호원황도’ 저장 유통 중 품질에 미치는 영향
천종필(Jong-Pil Chun),서정석(Jeong-Seok Seo),김명선(Myung-Surn Kim),임병선(Byung-Sun Lim),안영직(Young-Jik Ahn),황용수(Yong-Soo Hwang) 한국원예학회 2010 원예과학기술지 Vol.28 No.4
복숭아 ‘장호원황도’에 있어 저장, 유통 중 품질 향상을 위한 1-MCP 처리 및 에틸렌제거제 처리효과를 검토하였다. 1-MCP를 1.0?LㆍL?¹ 농도로 처리하였던 경우 8일간의 상온유통 중 경도유지 및 착색지연에 효과적인 것으로 나타났는데 완숙과에 비하여 성숙과에서 1-MCP 처리 효과가 크게 나타났다. 그러나 1-MCP를 0.5?LㆍL?¹ 농도로 처리하였던 경우에는 품질유지 효과가 나타나지 않았다. 1-MCP를 0.5 및 1.0?LㆍL?¹로 처리하였던 경우 과실의 에틸렌 발생을 억제하였는데 호흡률 저하는 1.0?LㆍL?¹ 처리구에서만 유의하게 나타났다. 저온저장 중 1-MCP 처리와 에틸렌제거 처리 효과를 비교한 결과, 처리 효과가 저장 5일 후까지만 1-MCP를 처리한 과실의 경도가 높게 유지되었고 에틸렌 제거제 처리의 경우 성숙과의 경우에만 단기적 경도 유지효과를 보여주었다. 저온저장 중 에틸렌제거를 실시하였던 경우 성숙과에서 저장 초기에 경도 감소를 지연하는 효과를 보였으나 완숙과에서는 효과가 떨어지는 것으로 조사되었다. 한편 1-MCP처리 과실에 대한 박스 내 에틸렌제거제 복합처리는 과실의 경도유지효과를 나타내어 상온유통 5일 후 성숙과의 경우 1-MCP 처리구는 무처리구에 비하여 약 2배 경도가 높아 실용성이 있는 것으로 판단되었다. This study was conducted to investigate the effect of 1-MCP, an ethylene action inhibitor, and several postharvest treatments including ethylene scrubbing on fruit quality and respiration for keeping marketability in ‘Janhowon Hwangdo’ peach (Prunus persica Batsch). 1-MCP at the rate of 1.0 ?LㆍL?¹ showed best results in maintenance of fruit firmness and external appearance such as skin color. The ethylene production was strongly reduced by 1-MCP treatment at 0.5 or 1.0 ?LㆍL?¹ but respiration rate was only suppressed at 1.0 ?LㆍL?¹ during 6 days of shelf life at 20℃. Mature fruits (harvested 1 week before full commercial maturity) were much highly responsive to 1.0 ?LㆍL?¹ of 1-MCP compared to those of commercial maturity. At the concentration of 0.5 ?LㆍL?¹ of 1-MCP did not affect fruit marketability compared to untreated control. Beneficial effects of carbon ceramic as an ethylene scrubber were also found such as delay of firmness loss and deterioration of external appearance at 10℃, but these positive effects on fruit quality remained for only 5 days. The application of ethylene scrubber on the shipping carton boxes was effective on keeping firmness of immature fruit pretreated with 1-MCP when compared with mature fruit.