• IE interfaces
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• v.4 no.1
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• pp.83-91
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• 1991

This study proposes a half-simulation-half-real system that is used as an FMS building tool. In this hybrid system. softwares related to the operation of the FMS and the computer network on which the softwares run are real, while the physical movements of the devices in the system are simulated. The study shows the structure of the proposed system as well as the building procedure for the system. Adventages and usages of the system are also stated in detail.

• The Journal of Information Systems
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• v.6 no.2
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• pp.147-163
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• 1997

The usages of the relational database systems have been increased nowadays. However there is a constraint that the standard query language for a database system requests users to know the exact condition for a query. In this paper a FSQL(Fuzzy SQL) systems is proposed and implemented for the imprecise queries which do not include the exact condition. Moreover this system can supply the obvious results for the queries effectively. We define a simple fuzzy query language and use a method using the metadatabase to implement the FSQL system. This FSQL system can be combined with a relational database system without any painful effort.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 1992.10a
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• pp.228-232
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• 1992

The integrated management system IMMC system) is developed for machining, measuring and checking by using IBM-PC under Borland C $\^$++/ environment. MMC system consists of following systems : DNC system, MascMC system (for measuring and checking) and MascCAM system : DNC system, MascNC system (for measuring and checking) and MascCAM system (for CAM). And some other modules support MMC system for practical usages. A vertical machining center equipped with FANUC 0MC is used for experiments. Feasibility of the system is confirmed by a large amount of experiments.

• Proceedings of the Korean Society of Dyers and Finishers Conference
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• 2009.03a
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• pp.213-214
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• 2009

In order to promote an efficiency CPB process, we developed microwave system in CPB process. The whiteness and penetration ability of microwave-CPB pre-treated fabrics were superior to CPB only. This results indicates that microwave-CPB pre-treatment promotes CPB efficiency in agent usages and batching time.

• Proceedings of the Korea Concrete Institute Conference
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• 1992.04a
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• pp.99-104
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• 1992

There is a limit manufacturing precast products for the construction industry using conventional cement concrete and precast iron due to many reasons. Therefore, precast product technologies using polymer concrete are widely developed across the world because using polymer concrete can be over come this limitation. This study reviewed and analyzed the trends of development and practical usages of ploymer concrete precast products in foreign countries based on selected literatures. It was observed that polymer concrete precast products have been widely used as utility structures wall and slab members. decoration products, traffic products, hydraulic structures and industry equipments.

• Proceedings of the Korean Institute of Communication Sciences Conference
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• 1986.04a
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• pp.113-118
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• 1986

Nowdays switching software designs are based on the concept of maximizing efficiency. This idea is to put through the most call, in the fastest time, using the fewest possible resources. So the memory usages are embossed one of the most important part to be considered in the switching software. This paper discusses the general concepts of switching software at first, then describes the switching data base from the view point of the access time, memory efficiency, and call processing environment.

• Proceedings of the Korean Information Science Society Conference
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• 2002.10c
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• pp.469-471
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• 2002

인터넷의 급속한 발전은 우리 생활의 많은 변화를 가져왔다. 특히 사용상의 편리함과 유용성으로 인해 컴퓨터를 전공하지 않은 사랑도 쉽게 접속하여 사용할 수 있게 됨에 따라 악의적인 사용자도 증가하기 시작하였다. 따라서 본문에서는 악의적인 사용자의 접근을 차단할 수 있는 침입 차단 시스템을 설계하고 침입 차단 시스템의 취약점인 TCP Hijacking, IP Spoofing등에도 견딜 수 있는 침입 차단 시스템의 패킷필터링 모듈을 제안한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2012.11a
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• pp.343-346
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• 2012

There are many realistic system necessities on the huge size of rule matrices with any Fuzzy Logical Inferences. This paper indicates the experimental design policy on the PCS design for the Platoon and AOS for the social application with some identical resemblances in between them so that we could use a design for two different usages feasibly.

• The Journal of Korean Association of Computer Education
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• v.11 no.1
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• pp.23-32
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• 2008

In this paper, we have investigated the education effect of a web-based virtual laboratory for digital logic circuits which consists of multimedia contents about the usages of equipments for logic circuit experiments and the experimental logic circuits. In case of the engineering experiment of the lower grades in universities, preunderstanding about the usages of experimental equipments and the experimental circuits is necessary for the learners to conduct the experiments well. But it is impossible for the learners to have access to the real experimental equipments earlier due to the lack of equipments and the difficulty in management of the equipments. We have implemented the digital logic circuit virtual laboratory which provides the same experimental environment as a real experimental lab, and the learner can conduct the same experiments as the real ones before the real laboratory class. The learners using the laboratory have reduced the experiment completion time by the average of about 8.2% during a term, compared with the learners not using the lab.

• Journal of the Korean housing association
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• v.16 no.6
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• pp.21-27
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• 2005

The purpose of this study was to explore behavioral patterns on residential spaces such as the patterns of residential space usage and perception on residential spaces. A questionnaire survey and interview were conducted with 426 residents living in apartment with 3 bedrooms, stairway access, and 3-bay style in the City of Seoul, Busan, and Gwangju, during the month of September in 2004. The data was analyzed with frequency, factor analysis by using the SPSS 10.0 for windows, and with proc iml by using SAS. The major findings of this study were that: 1) The most typical activities in the Anbang are $\ulcorner$sleeping and getting dressed$\lrcorner$, $\ulcorner$family communication and T.V. watching$\lrcorner$, and $\ulcorner$private affairs$\lrcorner$ ; Anbang(master bedroom) has been perceived and used as couple's private area. 2) Living room was used as a multi-purpose room carrying out various activities such as $\ulcorner$family interaction$\lrcorner$, $\ulcorner$entertaining guest with meals$\lrcorner$, $\ulcorner$children's private affairs$\lrcorner$, $\ulcorner$private affairs$\lrcorner$, $\ulcorner$hobby activities$\lrcorner$, $\ulcorner$clothes management$\lrcorner$, $\ulcorner$couple interaction$\lrcorner$, and $\ulcorner$occasions$\lrcorner$. 3) The representative patterns of activities in dining-kitchen was food $\ulcorner$preparation$\lrcorner$, and the need for social interaction in DK has been growing. The patterns of residential space usages can be used to develop and evaluate the unit plan of Korean middle-size apartment.