• Proceedings of the Korea Information Processing Society Conference
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• 2015.10a
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• pp.430-432
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• 2015

스마트폰의 보급과 소프트웨어 개발기술의 발전으로 다양한 어플리케이션이 출시되고 사용되어지고 있다. 특히, 스마프폰을 통해 모바일 쇼핑뿐 아니라 개인간 거래가 활성화되고 있다. 하지만 사용자가 많아지면서 인터넷 사기 범죄도 증가하고 있는 추세이다. 사용자간의 교류가 많은 어플리케이션은 인증이 중요하다. 본 논문에서는 스마트폰 어플리케이션에서 활용하는 인증의 종류를 알아보고 모바일 중고 거래 어플리케이션의 사용자 인증의 종류와 신뢰도 측정방법을 비교 분석하고, 문제점을 파악하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2019.05a
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• pp.316-319
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• 2019

In this paper, the streaming architecture is designed by analyzing the existing real-time streaming platform, and the real-time communication and media storage are handled by accommodating multiple users. Furthermore, the Android mobile app allows users to test their behavior and provide services for deployment.

• Journal of the Korea Society of Computer and Information
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• v.6 no.4
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• pp.119-124
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• 2001

In the paper, is proposed a secure role-based access control model that not only has s functions such as security, integrity and flow control, but also can easily meet access requirements of role-based social organizations. The proposed role-based access control mod designed based on proven existing rule-based access control mechanisms in order to be app real access control systems. The model proposed in the paper is simple and secure. It can be used for the web-based application systems working on the Internet.

• Proceedings of the Korea Information Processing Society Conference
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• 2012.11a
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• pp.237-238
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• 2012

기존의 기업 응용 프로그램들은 스마트폰의 성능 이상의 처리를 요구하는 데스크탑 환경에서 동작하였고 또한 기업의 시스템들은 스마트폰과의 연동과는 적합하지 않았다. 스마트폰 시장의 폭발적인 성장과 함께 일부 기업 업무처리가 스마트폰으로 이동하는 추세에서 이러한 문제들을 해결하기 위한 모바일 플랫폼으로 온-디멘드 클라우드 리소스를 이용한 개방형 모바일 클라우드(Open Mobile Cloud 이하 OMC) 플랫폼이 제안되었다. 본 논문에서는 OMC 플랫폼에서의 어플리케이션 리파지토리의 역할과 구조를 제안한다. 해당 플랫폼에서 리파지토리로의 요구사항으로는 VApp과 HApp의 버전 관리 및 배포가 있다. 또한 확장성, 독립성, 신뢰성 및 고 가용성의 리파지토리를 만족할 수 있는 구조 연구를 통해 이를 시험적으로 구현한 OMC App Repository를 소개한다. 또한 결론에서는 OMC 플랫폼에서 리파지토리를 이용한 추후 연구에 대해서도 다루고 있다.

• Journal of Korea Society of Digital Industry and Information Management
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• v.15 no.2
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• pp.11-17
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• 2019

As interest in the efficiency use of energy has been recently rising, studies have been performed in utilizing various types of eco-friendly green energy and natural energy. Especially there has been rapidly increase in the fields using ESS (Energy Storage System), which is the technology for storing the energy from nature. The application fields of ESS is continuously growing and expanding to various types of technologies. However, in recent years there have been continuing problems with the safety of ESS. And related researches are going on. In this paper, we has proposed a system structure to utilize more secure ESS and has monitored the system status of ESS in real time by using smart phone app. This paper has also proposed a new method to configure secure ESS by implementing GUI (Graphical User Interface) to control the system. And then explain experimental results to investigate the efficiency of the proposed ESS.

• International Journal of Internet, Broadcasting and Communication
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• v.11 no.1
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• pp.8-16
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• 2019

As smartphone users grow, mobile operators are trying to standardize and commercialize Rich Communication Suite (RCS), which is a next-generation messaging service, so that it can replace legacy messaging services. However, it is not enough to spread RCS widely to the users only by publishing an RCS app. To increase the use of RCS, a web-based open API for common RCS capabilities is needed. By using the API, Internet-based developers can create applications that make use of the RCS capabilities with less effort and time. This paper proposes a lightweight Comet-based open API to allow mobile operators to expose useful information and capabilities to application developers. The system architecture of the open API framework and call flow between relevant nodes are defined. In addition, examples of protocol translations on the framework are provided.

• Electronics and Telecommunications Trends
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• v.34 no.1
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• pp.23-35
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• 2019

In the upcoming post-app era, real-time, intelligent and immersive services such as autonomous vehicles, virtual secretaries, virtual reality, and augmented reality are expected to dominate. However, there is a growing demand for new networking and computing infrastructure capabilities because existing physical connection-oriented networks and centralized cloud-based service environments have inherent limitations to effectively accommodate these services. To this end, research on intelligent edge network computing technology is underway to analyze the contextual situation of human and things and to configure the service environment on the network edge so that the application services can be performed optimally. In this article, we describe the technology issues for edge network intelligence and introduce related research trends.

• Proceedings of the Korea Information Processing Society Conference
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• 2013.05a
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• pp.951-953
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• 2013

공공도서관은 모든 사람에게 평등하게 서비스를 제공해야 하는 기관이기 때문에 시각장애인과 같은 도서관 이용에 불편을 겪는 사람에게도 도서관 이용을 위한 서비스를 제공하여야 한다. 그러나 오늘날 우리나라의 도서관은 시각장애인등 도서관 이용에 불편을 겪는 사람들을 위한 서비스는 거의 존재하지 않으며 장애인이 아닌 정상인을 위한 공간으로 인식되어 왔다. 본 시스템은 NFC태그를 이용한 도서관 안내 시스템으로 책의 위치정보를 책과 책장에 부착된 NFC태그를 이용하여 읽어들이고 책의 위치정보를 음성으로 사용자에게 제공함으로써 도서관을 이용할 때, 책을 검색하고 금방 찾는 것이 힘든 시각장애인의 실정을 개선하고자 하였다. 또한 도서관에서 책을 찾는데 필요한 모든 정보들을 음성으로 사용자에게 제공해 시각장애인이 주위사람들의 도움 없이 언제든지 혼자서 도서관을 이용할 수 있도록 설계하였다.

• International journal of advanced smart convergence
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• v.9 no.4
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• pp.203-208
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• 2020

In this paper, we propose the design and implementation of a desktop LED stand and smart app that automatically adjusts color temperature and illuminance for optimal brightness and eye health by improving the structural problem of the LED stand. It is a tabletop LED stand that supports optimal brightness through color temperature control and heat transfer through infrared LED to relieve eye strain through blood circulation and muscle movement. The LED stand works with the smartphone to automatically adjust the optimal brightness and color temperature for the user's environment. In addition, the brightness of the infrared LED is adjusted to a living frequency of 4Hz to relax the eye muscles and reduce eye strain. This study implemented an effective measured data-based system of previous studies through the color temperature and illumination of LED lighting, and near-infrared rays, and presented meaningful results by conducting an experiment to prove the effect through subjects.

• Journal of Internet Computing and Services
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• v.24 no.4
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• pp.15-24
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• 2023

Digital therapeutics (DTx) are utilized to replace or supplement drug therapy to treat patients. DTx are developed as a mobile application for portability and convenience. The government requires security verification to be performed on digital medical devices that manage sensitive information during the transmission and storage of patient data. Although safety verification is included in the approval process for DTx, the cybersecurity checklist used as a reference does not reflect the characteristics of mobile applications. This poses the risk of potentially overlooking vulnerabilities during security verification. This study aims to address this issue by comparing and analyzing existing items based on the mobile tactics, techniques, and procedures of MITRE ATT&CK, which manages globally known and occurring vulnerabilities through regular updates. We identify 16 items that require improvement and expand the checklist to 29 items to propose improvement measures. The findings of this study may contribute to the safe development and advancement of DTx for managing sensitive patient information.