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정문정(Chung Moon Jung) 한국정보과학회 1976 정보과학회논문지 Vol.3 No.1
System flows in a mechanized library and automatic information retrieval system are examined Obstacles to computerizing library processing including cost and information volume are studied. The mechanization of library housekeeping activities such as an acquisition, cataloging and circulations are considered in a total library system in which all operations are part of a cooperative or centeralized processing agency. Recall and precision under a variety of automatic classification and indexing systems are examined and an interactive feedback system of query processing is suggested to increase the recall and precision.
Distributed Processes Control in Design and Manufacturing
Park, Hwa Gyoo,Chung, Moon Jung 대한설비관리학회 1999 대한설비관리학회지 Vol.4 No.1
This paper is to develop an information infrastructure to support managing process in design, planning, production, and quality control. Multi-media data set of design, product, and management information flow between organizational units of a virtual enterprise. The process is the logical organization of people, technology and practices incorporated into work activities to make an end product. The core of the infrastructure is the enterprise framework which coordinates activities and controls the process. The proposed framework manages collaborative activities across space and time, and between users and computers who share information in virtual community. It utilizes knowledge distributed through virtual community and fosters cooperation between organizations. The framework provides the following facilities; coordinating activities, sharing data and processes, visualizing multi-media data, customizing and updating processes, reusing data and processes. This paper covers design and manufacturing activities but our focus is initially targeted at design area.
뿜칠형 수용성 고무화 아스팔트 차수재의 성능평가 및 폐기물 매립지 적용성 검토에 관한 연구
오상근,김형무,정문정,최은수 한국건축시공학회 2001 한국건축시공학회지 Vol.1 No.2
This study examinated the application in construction field and the development of waterproofing material system by the spray water-soluble rubber asphalt to solve the problems of synthetic polymer sheet and gio membrane(A mat sheet of Bentonite) that had been used domestic waterproofing material in advance. As the result of study, characters of study water-soluble rudder asphalt are the follows: 1) The amount of water absorption was '0.06'g and the seepage quality was '0'g in result. 2) The tensile strength was about 30.7kgf/$\textrm{cm}^2 and the elongation was about 72.4% in result. 3) After reliance of temperature test had been ended, the tensile strength was about 72.4kgf/$\textrm{cm}^2 in low temperature and about 30.7kgf/$\textrm{cm}^2 in normal temperature. 4) After acid and alkaline treatment had been ended, the tensile strength was about 19.7kgf/$\textrm{cm}^2$ and about 21.9kgf/$\textrm{cm}^2 in result. 5) After chlorine ion treatment had been ended, the tensile strength was 28.5kgf/$\textrm{cm}^2$ and the elongation was 250% in result. 6) The impact performance was subsided at 1.5m height. 7) After promotion weathering had been ended, the tensile and elongation was about 26.0kgf/$\textrm{cm}^2, 214% in result. So, this study can propose the spray water-soluble rubber asphalt to satisfy the and durability of waste filled land.