• Journal of Advanced Navigation Technology
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• v.15 no.5
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• pp.887-892
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• 2011

Recently iPad has been released, so users interest in new portable device is increasing. As markets grow, experts are forecasting a increase of investigation about tablet PC. However iPad forensics is very difficult using existing smart phone forensic softwares. especially, those softwares can't analyze korean mobile application. This paper describes collecting/analyzing technique for iPad.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.4
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• pp.1525-1531
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• 2012

This study has been developed to make a marketing tool for word-of-mouth marketing for "Low-Budget Movie". By developing an application program of Low-Budget Movie for 20millions of Smart-Phone user, it can find out the best environment of service, function, etc. Hereby, it could contribute the progress of Korean film industry with this marketing tool of Low-Budget movie. For the research, conjoint analysis has been done through conjoint survey and general survey.

• Journal of Advanced Navigation Technology
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• v.15 no.3
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• pp.372-377
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• 2011

Until now, the study and research on the projects which have internationally conducted are in poor condition with regard to the security vulnerability analysis of web application. This is due to a lack of precedent study for improving the quality of the web services in order to provide better services for the future. In this paper, I analyze the types of the web application vulnerabilities which have been studied and mapped out a plan for protecting them.

• The Journal of Korean Institute for Practical Engineering Education
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• v.2 no.1
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• pp.71-76
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• 2010

There are two ways of wireless network practice. One of the ways is to use wireless network equipments directly. And the other way is to use wireless network simulators. But they have some problems such that space limitation, required equipments and setting up the simulators for each wireless network practices. So, in this paper, we showed the model of application for students and professor is modeled from real practice environment. We also suggested algorithms for implementation of an application about wireless network practice based on web.

• Journal of the Korean Institute of Intelligent Systems
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• v.21 no.5
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• pp.588-594
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• 2011

This paper presents the development of application and management system for guiding job information based on android smart-phone. The real-time informations which are provided from the job portal site, become known by using the smart-phone, and the sever system for saving and managing the related informations has been implemented. Especially, the relay and synchronization protocol of job informations have been designed and the system for managing a transmitting and receiving information is also designed and modelled. The developed application has been made up for and registered in the application store for making good use.

• The Journal of the Korea Contents Association
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• v.21 no.6
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• pp.12-18
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• 2021

A proportional share scheduler allocates CPU time to tasks and determines which task will be dispatched according to their priorities. In this paper, we investigate the correlation between the characteristics of applications and task priorities in the Linux Completely Fair Scheduler(CFS), which is one of the representative proportional share schedulers. We also propose a method of controlling the granularity of priority assignments according to the characteristics of applications. We implemented the proposed technique in a Linux system and confirmed the meaningful experimental results.

• Proceedings of the Korean Society of Computer Information Conference
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• 2021.07a
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• pp.209-210
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• 2021

본 논문에서는 스마트 폰의 GPS 센서와 Google Map 기반의 러닝 운동을 효율적으로 할 수 있는 애플리케이션을 개발한다. 이 애플리케이션은 안드로이드의 GPS 센서를 이용하여 사용자의 위치, 달리는 속도(Km/h), 이동 거리(Km)를 기록하고 페이스 계산을 통해 사용자의 운동 목표량에 도달하도록 도와준다. 그리고 Google Map을 사용하여 사용자의 러닝 경로를 시각화하여 지도에 표시한다. 또한 이전의 운동 기록을 저장하여 효과적인 러닝 플랜을 세울 수 있도록 한다.

• KIPS Transactions on Computer and Communication Systems
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• v.4 no.8
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• pp.239-244
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• 2015

WebCL was proposed for high complex computing in Javascript. Since WebCL-based applications are distributed and executed on an unspecified number of general clients, it is important to profile their performances on different clients. Several profilers have been introduced to support various programming languages but WebCL profiler has not been developed yet. In this paper, we present a WebCL profiler to evaluate WebCL-based applications and monitor the status of GPU on which they run. This profiler helps developers know the execution time of applications, memory read/write time, GPU statues such as its power consumption, temperature, and clock speed.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.15 no.4
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• pp.869-876
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• 2011

Recently, use of Smartphones is growing at an extremely rapid pace. Many researchers have recognized the importance of developing Smartphones applications under these circumstances, and they have been conducted many studies to develop apps efficiently. The Smartphones middleware has become a focus of recent research to develop efficient Smartphones apps on a server-client environment in particular. In this study, for enhancing portability, expandability and convenience in the development of apps on the various platforms of Smartphones, We have proposed XML based Open API optimized in the Smartphones middleware. We also evaluated the performance, by applying it in Smartphone middleware environment.

• Journal of KIISE:Software and Applications
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• v.29 no.12
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• pp.895-906
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• 2002

Due to increased concern about the distributed web application, the interest in EJB - server-side Java component architecture that enables to make out Business Logic without writing codes related to complicated distributed framework - is also increasing. Despite of these increased interest, However, efforts for reliability of these systems have been insufficient. Thus, in this paper, we propose specification technique for applying DbC approach, which can elevate the reliability of software in the Object-Oriented system development, in writing formal specification of EJB-based application. Through this specification technique, developers can gain reliability in the EJB-based application development.