• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.05a
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• pp.822-826
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• 2009

학습 프로세스는 학습참여자인 학습자들과 교수자의 상호적인 활동에 의하여 교수-학습이 이루어지는 과정이라고 할 수 있다. 이러한 과정에서 일련의 학습자료들이 제공되고 만들어진다. 교수-학습이론에서 여러 가지 모델이 제안되어 이용되고 있지만 각 학습참여자의 역할과 학습자료간의 관계가 명시적으로 정의되어 운영되지 못하는 점이 있다. 한편 서비스제공이나 소프트웨어개발과 같은 추상적인 결과물을 생산해야하는 경영학이나 소프트웨어공학에서는 프로세스(과정)의 관리만이 그 결과물의 질을 담보할 수 있다고 생각한다. 결과물의 질관리를 위한 프로세스의 관리는 프로세스의 역할별 활동에 의한 투입/산출물, 프로세스들의 관계를 명시하고, 그에 따른 측정가능한 지표를 개발-분석함으로써 이루어진다. 본 논문에서는 소프트웨어 개발 방법론에 기반하여 구성주의적 교수-학습 프로세스를 정의함으로써 교수활동에 구성주의적 교수-학습이론을 용이하게 적용할 수 있는 지침을 제공하고, 향후 프로세스를 기반으로 하는 교육 서비스사이언스의 기본적 구성요소를 제공하고자 한다.

• KSCI Review
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• v.8 no.2
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• pp.33-42
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• 2001

The purpose of this study was to help retrieve and assess only what learner wants. The multiple-choice and short-answer types were selected. and a sort of a question bank was organized in consideration of the degree of difficulty and frequency of being questioned in such a way to have a discriminating power. For item retrieval the stored information was converted into XML data, instead of simply searching information from database. and that data were retrieved through Xpath. And it's designed to show the retrieval output by using XML on browser. Concerning item evaluation. evaluation items were produced by inputting the degree of difficulty and frequency of being questioned of the subject and unit learner wants. and then by inputting the number of individual item type. The learning outcome was offered in real time to learner. and learner could repeatedly drill what they gave a wrong answer.

• The Journal of the Korea institute of electronic communication sciences
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• v.5 no.6
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• pp.631-636
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• 2010

The network configuration of SMS number moving service is a very important factor to improve the user convenience to Internet Telephone. To provide the service, The SMSC system is required the the function of DB process and management of the subscriber, In case of SMSG system to interconnects with the other network and SMSC, the function of the call processing of subscriber who has changed his number by interconnecting with NPDB(Number Portability DB) is required. This paper had studied the way to consist the efficient network by the number moving technique.

• Journal of Practical Engineering Education
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• v.12 no.2
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• pp.293-299
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• 2020

This study is intend to define learning driving force for learner-centered education and to derive it's components(IDEA : degree of Interest, Dynamics of learning process, degree of self-Effectiveness, expectation level of Academic achievement). To validate the concept of driving force, we analyzed the instructional design techniques, operating procedures, result reports, professor's comments of flipped learning courses which were conducted systematically in K-university during last 4years. As a result, I suggest the directives and guidances required for effective flipped learning based on driving force.

• Annual Conference of KIPS
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• 2023.11a
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• pp.990-991
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• 2023

커져만 가는 비건 시장에 비해서 비건 제품의 가격은 높고, 한정되어 있다. 성분표만을 보고 비건 여부를 파악하기에는 어렵고, 저시력자 및 시각장애인에게는 더욱 어려운 일이다. 치주 질환이나 당뇨를 포함한 크고 작은 다양한 질병으로 인해 육식 섭취 대신 불가피하게 채식을 실천해야 하는 경우 또는 가격 부담이 크고 찾기 어렵다. 그래서 비건 인증을 받은 제품 대신 일반 제품들 사이에서 비건에 적합한 제품을 찾는 데 도움이 되는 시스템을 개발하고자 한다. 본 논문에서는 저시력자 및 시각장애인을 위한 큰 글씨 화면, 음성 입출력 시스템 제공과 성분표 촬영을 통해 비건 적합 여부 및 알레르기 정보 제공, 사용자 특성 분석을 통한 UI 구성의 서비스를 제공한다. 성분표 촬영에 어려움을 겪는 저시력자 및 시각장애인에게 편리를 제공하기 위해 소프트웨어 뿐만 아니라 하드웨어를 구성한다.

• Journal of Korea Multimedia Society
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• v.15 no.8
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• pp.1048-1058
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• 2012

This paper proposes the DDMPF(Distributed Data Management Protocol using FAT) which prevents data loss and keeps the security of self-organized storages by comprising a client, a storage server, and a verification server in clouding environment. The DDMPF builds a self-organized storage server, solves data loss by decentralizing the partitioned data in it in contrast to the centralized problem and the data loss caused by the storage server problems of existing clouding storages, and improves the efficiency of distributed data management with FAT(File Allocation Table). And, the DDMPF improves the reliability of data by a verification server's verifying the data integrity of a storage server, and strengthens the security in double encryption with a client's private key and the system's master key using EC-DH algorithm. Additionally, the DDMPF limits the number of verification servers and detects the flooding attack by setting the TS(Time Stamp) for a verification request message and the replay attack by using the nonce value generated newly, whenever the verification is requested.

• Journal of the Korean Institute of Telematics and Electronics S
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• v.36S no.7
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• pp.1-8
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• 1999

In this paper, we have proposed and evaluated the performance of the routiong protocols servicing the mobile and fixed subscribers in a large e scale circuit switched telecommunication network, connected by gateways. The large scale network consists of several subnetworks, and a subnetwork is composed of $M{\times}N$ nodes in grid topology. When a call for mobile subscriber occurs, the current routing protocols search the whole large scale network to find a mobile subscriber. Therefore, it causes many redundant packets and long call setup delay. So, we have proposed a new routing protocol, in which the destination subscriber is first searched at the subnetwork where the call is proposed protocol is better than that of the current protocol.

• Journal of the Korean Institute of Intelligent Systems
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• v.8 no.2
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• pp.21-34
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• 1998

[n this paper, we propose a hierarchical self-organizing fuzzy logic controller to improve the performance of the FARMA(Fuzzy auto-regressive moving average) SOC(Self-organizing fuzzy logic controller) when the system parameters change. The proposed controller contains the FARMA SC)C in the lower level and has a coordinator in the higher level, which evaluates convergence. and when it senses the degradation of system performance it compensates the control input by a look-up table. The proposed controller shows good perforniance over the FARMA SOC when the system parameters change. We executed some computer simulations on the regulation problem of an inlrerted pendulum system and compared the results with those of the FARMA SOC. As a result, it ha:; been shown that the proposed controller outperformed the FARMA SOC when the changes of the system parameters occurred.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.16 no.2
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• pp.1253-1263
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• 2015

The purpose of this study was to develop and examine a validity and reliability of an instrument to assess hospital workers' perception for protection of personal health information. The process included construction of a conceptual framework, generation of initial items, verification of content validity, preliminary study, and extraction of final items. Content validity was verified by 3 experts from nursing and health information management areas, and the construct validity was evaluated by item analysis, exploratory factor analysis and confirmatory factor analysis. The reliability was examined by Cronbach's alpha. The participants were 279 hospital workers including nurses, administrative officers, and other medical health professionals. Using a confirmatory factor analysis, a four-factor structure was validated with construct validity. The Cronbach's alpha coefficient of a total of 13 items categorized into 4 factors was .83. Finally, the instrument is a valid and reliable to assess hospital workers' perception for protection of personal health information.

• Journal of The Korean Association of Information Education
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• v.6 no.2
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• pp.212-224
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• 2002

The purpose of this study is to design and implement the web-based counselling system in aspects of learning type and method by PBL in Constructivism. Learning problem is classified into learning difficulty, learning disability, emotional disability, memory/cognition, ADHD(attention deficit hyperactivity disorder), classwork, and school circumstance. Counselling for individual, offline visit, parents, electronic mail, and group with professionals who were involved in the design and implementation of learning counselling were used to supplement the clinic process for learning. The result of this study aims to administer the distance counselling system for learning without prominent computer knowledge. Each learner can solve diverse private learning problems which can be widely applied for situated learning. Also these online strategies by PBL indicate that providing learning types and methods are critical for overall understanding in online counselling system for learning.