• International Journal of Advanced Culture Technology
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• 제10권2호
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• pp.225-232
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• 2022

When we drive a vehicle in an IoT environment, there is a problem in that information of car users is collected without permission. The security measures used in the existing wired network environment cannot solve the security problem of cars running in the Internet of Things environment. Information should only be shared with entities that have been given permission to use it. In this paper, we intend to propose a method to prevent the illegal use of vehicle information. The method we propose is to use attribute-based encryption and dynamic threshold encryption. Real-time processing technology and cooperative technology are required to implement our proposed method. That's why we use fog computing's proxy servers to build smart gateways in cars. Proxy servers can collect information in real time and then process large amounts of computation. The performance of our proposed algorithm and system was verified by simulating it using NS2.

• 한국IT서비스학회지
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• 제11권2호
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• pp.197-211
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• 2012

This paper describes how to derive audit criterion, audit domain, detail technology, and functional check items which are core of hospital information system, consisting of OCS, EMR, and PACS. Using the check items listed above, we investigated the objective validity for the construction audit of hospital information system. As a result, the derived audit criterion, audit domain, detail technology, and functional check items were verified as check items for audit. Since using the current audit check items of public area is insufficient to construct efficient, reliable, and stable hospital information system, we suggest adopting the hospital information system audit area, audit check items, and process that are presented in this paper.

• 한국IT서비스학회지
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• 제12권3호
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• pp.179-193
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• 2013

E-Government refers to government to use ICT (information and communications technology) to work more effectively, share information and deliver better services to the public. With ICT, e-Government has increased transparency of governments. However even there has been much trial for transparency, corruption has been growing with the form of e-corruption. While external threats such as hackers and viruses can have serious consequences, currently most crime involving emerging technology is carried out by insiders i.e. employees in the e-government. Among the many tools being developed to fight e-corruption, there has been much focus lately on internal control system. So, South Korea developed and test-operated "Barum e-system" for internal control last year. This research establishes legal basis, information system link and privacy policy for settlement of this information system through legal review.

• 농업과학연구
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• 제26권2호
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• pp.106-115
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• 1999

It will become necessary for farmers to adopt information technology into commercialized farming system, since its productivity is increasingly linked to how to exploit the agricultural information. The purpose of this study is to examine the current status of information technology and to suggest ways to utilize the information technology for innovative farm management. Internet should become more important instruments which farmers might utilize in order to collect and mine the agricultural information because of its rapidity, reliability and precision. Also farmers should be encouraged to adopt a GIS-based farm management decision support system and to integrate the market information and geographic information such as soil, water, temperature, etc. for optimal decision making. Another way of improving farm management is to make farmers use agricultural accounting software for individual farmers and develop farming simulation system which analyze a farmer's current financial condition and suggest how to improve it. Making home page would be major marketing strategy for farmers to promote the sales of agricultural products.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2002년도 추계학술발표논문집 (상)
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• pp.311-314
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• 2002

The dynamic nature of the World Wide Web challenges Information Retrieval System to find information relevant and recent. Intelligent agents can complement the power of search engines to deal with this challenge. In this paper, we explain in manner of building Information Retrieval System based on intelligent agent technology. We present a tool called Websearcher. It was performed in Java environment. The object-oriented nature of Java and built-in facilities for multi-thread decreased our implementation effort. A modular software design makes it easy to configure the system for various experiments.

• 한국정보과학회:학술대회논문집
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• 한국정보과학회 2011년도 한국컴퓨터종합학술대회논문집 Vol.38 No.1(A)
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• pp.154-157
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• 2011

본 연구는 2인의 전문의와 함께 의료 문헌의 초록을 분석하여 의료문서에서의 절차적 지식을 모델링하고 텍스트 마이닝 기법을 적용하여 절차적 지식을 추출하는 방법론에 대해 기술한다. 절차적 지식은 목적과 해법의 묶음으로, 해법은 다시 단위 절차 지식의 네트워크로 정의 하였고, 목적과 해법 정보 추출과 단위 절차 지식의 구성요소인 대상/행위/방법 개체를 인식하기 위해, 품사태깅, 구문분석, 술어-논항구조(Predicate-Argument Structure), 온톨로지 용어 매핑 정보 등에 기반한 기계학습 방법을 사용하였다. 실험을 위해 전문의와 함께 위함과 척추질환에 대한 1309 문서에 절차적 지식 태깅을 수행하였고, 이 문서 집합을 기반으로 목적/해법 추출 작업과 단위 절차 지식(대상질병/행위/적용방법) 추출 실험을 수행하여, 각각 82% 와 63%의 F-measure 값을 얻을 수 있었다.

• Asia pacific journal of information systems
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• 제3권2호
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• pp.145-168
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• 1993

It has been asserted that information technology (IT) is being exploited by a number of corporations for strategic advantage. The successful implementation of an organization-wide IT, however, not only depends on its strategic and technological feasibility, but also on the effectiveness of organizational transformation strategies. In this case, the organizational transformation strategy and its success for the adoption of computerized typesetting systems (CTS) by one of the largest Korean newspaper companies, are described With an analysis on the Korean newspaper industry, the case explains the internal and external pressure towards the introduction of the new information technology and its development process. It also provides the architecture and operational mechanism of the CTS. Finally, the case analyzes the impact of the system on the competitive behaviors of the rivals in the industry.

• Journal of Information Processing Systems
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• 제13권6호
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• pp.1487-1495
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• 2017

With increasing interests in renewables, more consumers are installing an energy storage system (ESS) in their backyards, and thus, the ESS will play a critical role in the emerging smart grid. Due to mechanical properties, however its operational dynamics must be well understood before connecting the ESS to the smart grid (and eventually to an IT system). To this end, we investigate charging and discharging processes in detail. This paper, then, proposes methods for four type tests (state of charge test, conversion efficiency test, response time test, and ramp rate test) that can assess the dynamics of the ESS. The proposed methods can capture accurate delay values of mechanical processes in the ESS, and it is expected for those values to help design real-time communication systems in the smart grid involving the ESS.

• 한국전자통신학회논문지
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• 제17권4호
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• pp.695-702
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• 2022

최근 들어 활발하게 연구되고 있는 스마트 철도 시스템은 통신기술과 정보기술 등 ICT(: Information & Communication Technology) 기반으로 자동화 단계를 넘어 지능화 단계로 진입하고 있다. 스마트 철도에 사용되고 있는 ICT 기술은 일반적으로 정보침해에 취약한 특성을 보여 다양한 정보보호 기술의 지원을 받고 있다. 고속/대량 운송 수단으로서 철도 시스템의 스마트화에는 그 기반을 이루는 ICT 기술을 위한 정보보호 방안의 강구가 필수적이다. 따라서 본 논문에서는 스마트 철도 통신기반의 잠재적 위험 요인을 살펴보고 이에 대응할 수 있는 정보보호 요소를 고찰하여 스마트 철도 통신을 위한 단계별 정보보호 방안의 필요성을 제시한다.

• 정보관리연구
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• 제30권3호
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• pp.55-72
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• 1999

산업기술정보원이 자체 개발한 사내 정보관리시스템인 TIMS의 구성과 주요특징, 제공기능 등에 대하여 설명하고, TIMS를 활용한 기업의 정보관리모델을 제시함으로써 기업의 정보관리 활동에 도움을 주고자 하였다.