• 정보교육학회논문지
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• 제18권3호
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• pp.423-432
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• 2014

컴퓨터를 포함한 정보기기의 보급이 늘어가면서, 어린이들이 정보통신기기를 사용하는 기회가 많아졌다. 우리는 어린이들의 생활이라는 관점에서 어린이들의 정보통신기기 이용에 대해 탐색적 연구를 실시하였다. 우리 사회는 어린이들에게 학교교육 중심의 학습을 장려하고 있다. 본 연구에서는 정보사회를 살아갈 어린이의 관점에서 정보통신기기를 이용한 생활의 모습을 살펴보고자 하였다. 연구의 결과 대도시와 중소도시에서의 어린이들의 정보기기 사용에는 차이가 있었다. 집단 전체 결과에서 정보통신기기를 이용한 학습의 경험, 올바른 기기 사용에 대한 경험이 부족한 것으로 나타났다. 비전자매체를 이용한 놀이에서는 야외 놀이가 더 많았으며, 게임이용 시간과 TV 시청시간의 비교에서는 절반 정도가 "1시간 이내"라고 응답하였다. 실내놀이의 비중이 많아진 것을 알 수 있었다.

• 한국치위생학회지
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• 제15권3호
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• pp.477-486
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• 2015

Objectives: The purpose of the study is to investigate the influencing factors of subjective awareness of dental health status on the use of dental hygienic devices. Methods: A self-reported questionnaire was completed by 320 patients who visited dental clinics in Seoul and Gyeonggi-do from May to June 2014. Except incomplete answers, 284 copies were analyzed by SPSS WIN 18.0 program. The questionnaire was adapted from Park & Youn, and Chae. The questionnaire consisted of five questions of the general characteristics of the subjects, one question of subjective dental health status, eight questions of awareness of dental hygienic devices, and eight questions of use of dental hygienic devices. Results: Although the awareness of self dental health state was shown to statistically significantly affect the awareness of dental hygiene devices(p<0.001) which is the dependent variable, it was shown to not affect the use. Conclusions: Based on such results, to improve and maintain the dental health, an individual's subjective dental health state should be identified and provide accurate and objective information on the dental hygiene devices that are suitable to individual dental state, as well as make the patient's use of dental hygiene devices increase through continuous boosting of motivation.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제12권7호
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• pp.3356-3374
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• 2018

The healthcare and fitness wearable-device market is considered as the driving force of the entire wearable device market. However, there are concerns with respect to information privacy because wearable devices constantly collect sensitive data such as individuals' health information. Thus, there is a need for a comprehensive understanding from the perspective of information privacy concerns and related behavior. This study investigates factors considered in the privacy calculus of wearable fitness devices, and verifies differences obtained by the privacy calculus process according to the frequency of exercise. The results obtained from a survey of 248 undergraduate students in Korea revealed that service providers should consider users' interests and exercise characteristics in order to mitigate their privacy concerns and encourage continuous use of wearable devices. This study provides useful insights pertaining to users of wearable fitness devices, and targets researchers and practitioners.

• 융합보안논문지
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• 제17권5호
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• pp.101-110
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• 2017

이 연구는 사물인터넷 디바이스로 인해 발생가능 한 기업의 주요 핵심정보의 유출위협에 대해 살펴보고 유출예방을 위한 방안들을 관리보안과 기술보안 측면에서 살펴보는 것이 목적이다. 연구결과로서 관리보안측면에서는 첫째, 기업내부로 출입이 인가된 모든 사람들에 대해 사물인터넷 디바이스로 기업데이터가가 유출될 수 있음을 교육하고 주요 출입이 허가된 구역에 출입시점부터 사물인터넷 기기의 사용을 제한하는 가이드라인을 비치할 필요가 있다. 둘째, 사용자 요청 혹은 기업 자체의 보안운영 가이드라인을 마련할 필요가 있으며, 무선인터넷 공유가 가능한 전자기기에 무선인터넷 모듈을 도입시기부터 제거할 필요가 있다. 기술보안측면에서는 첫째, 컴퓨터에 대한 제어 솔루션으로서 기업정보들이 주로 저장되고 있는 컴퓨터 및 서버에 매체제어 솔루션 활용을 통해 사물인터넷 디바이스와 공유되는 경로를 대상으로 통제 솔루션을 실시해야 한다. 둘째, 네트워크에 대한 접근통제로서 네트워크에 공유된 사물인터넷 디바이스와 등록된 사물인터넷 디바이스의 현황을 정기적으로 확인하는 과정을 통해 보안관리 차원의 누수를 최소화해야 한다. 셋째, 암호화 방안으로서 컴퓨터, 서버 등의 정보자산에서 데이터 저장 및 암호화가 함께 이루어짐으로써 생성된 데이터가 외부로 불법적으로 유출되는 것을 예방하여야 한다.

• 한국컴퓨터정보학회논문지
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• 제20권12호
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• pp.83-90
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• 2015

In this paper, we propose a new method for multi transmission method of data among near smart devices. Existing methods require the use of an extra application service where the operating system differs between smart devices. In contrast, the proposed method makes use of the smart device's inner speaker and microphone to confirm the transmission signal. Then, real sharing data is transmitted via WiFi or LTE. Therefore, the proposed method overcomes operating system issues with existing methods. Besides, BUMP technology works in a similar way to the method we propose, it only supports one-to-one transmission. To evaluate the efficacy of the new method, we tested one-to-many data transmission in an experiment: the results showed a 96% success rate. As a result, we believe that the proposed method is an effective multi transmission method of data among near smart devices.

• 한국컴퓨터정보학회논문지
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• 제27권10호
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• pp.115-121
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• 2022

본 논문에서는 모바일 포렌식이 활용된 사례를 중심으로 모바일 포렌식 기술 활용의 동향을 분석하고, 이를 기반으로 미래 예측 모델에 사용하는 선형 회귀 분석을 사용하여 미래 모바일 포렌식 기술의 발전을 전망한다. 현황과 전망분석을 위해 국외 및 국내 모바일 포렌식 관련 사례 및 신문 기사 등 1,397개를 분석하여, 발생 연도를 포함하는 총 8개의 변수를 추출하였다. 발생 연도를 독립 변수로 하고, 텍스트(문자메시지 사용정보), 통신정보(휴대전화 통신정보), 인터넷 사용정보, 메신저 사용정보, 저장된 파일, GPS, 기타 등 7개의 변수를 종속변수로 하여 각 변수에 대한 전망분석 결과 모바일 기기의 다양한 활용 측면 중 인터넷 사용정보, 메신저 사용정보, 모바일 기기에 저장된 데이터 등의 분야에 대한 활용이 증가할 것으로 예상된다. 따라서, 향후 모바일 기기의 성능과 활용성 증가 및 보안기술 향상에 따라 파일시스템, 인터넷, 메신저 등 모바일 기기의 특성 정보를 효과적으로 추출하고 분석할 수 있는 기술에 관한 연구가 지속적으로 필요할 것으로 예상된다.

• Journal of Biosystems Engineering
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• 제39권1호
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• pp.57-67
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• 2014

Purpose: The modern IT can give enormous impacts on the agricultural production and consumption. However, farmer's ability to use IT devices has been known as one of the critical factors on success of IT in agriculture. This survey study was performed to evaluate the informatization status of farmers and to draw a strategy to develop and distribute a ubiquitous agricultural information system. Methods: A survey questionnaire with 19 questions on the degree of IT devices such as computers and smartphones and their utilization were developed. The survey was questioned 3 groups of farmers in Gyounggi Province and analyzed statistically by the ${\chi}^2$ test. Results: The order of IT devices distribution were computers, smartphones, smart TVs and tablet PCs in all groups. The ratios of ownerships of the devices are 97.7, 78.6%, 31.4%, 17.8% respectively. The active farmers in this survey showed higher informatization level than that of native and the general farmers. Conclusions: The ubiquitous agricultural information system was judged to be developed for the computer because spread and use of it exceeds the other devices. Also, the information system based on the smartphone could be a complementary way if the rapid of the smartphones continues and proper education on use of the phone is provided.

• 한국멀티미디어학회논문지
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• 제19권2호
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• pp.325-333
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• 2016

The development of smart technology has brought the conversion of closed traditional e-learning contents into open flexible smart learning contents consisting of learner-centered modules, without the constraints of time and space by use of smart devices from the uniformed and passive classroom between teachers and learners. It has been demanded an open, personalized and customized teaching and learning contents of smart education and training systems according to wide supply of various smart devices. In this paper, we discuss about the status of the smart teaching and learning systems and analyze the characteristics and structure of the web contents for smart education and training systems by use of smart devices. And we propose a method how to block web contents, to extract them, and adapt personalized segments of web contents by adaptive algorithm into smart learning devices. We extract blocks from the web contents based on the smart device information and the preference information of the learners from existing web contents without the hassle of learners environment. After specifying a block priority from the extracted web contents by the adaptive segment algorithm, it can be displayed directly to the screen to fit the individual learning progress of the learners.

• 디지털산업정보학회논문지
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• 제11권3호
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• pp.53-62
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• 2015

Recently, number of tablet or Smartphone users increased significantly in domestic and around the world. But violation of personal information such as leakage, misuse and abuse are constantly occurring by using mobile devices which is very useful in our society. Therefore, in this paper it will talk about the problems in the network environment of the mobile environment such as tablet and Smartphone, Mobile Malware, hacking of the public key certificate, which could be potential threat to mobile environment. This thesis will research for people to use their mobile devices more reliable and safer in mobile environment from invasion and leakage of personal information. In order to use Smartphone safely, users have to use Wi-Fi and Bluetooth carefully in the public area. This paper will research how to use App safely and characteristic of risk of worm and Malware spreading. Because of security vulnerabilities of the public key certificate, it will suggest new type of security certification. In order to prevent from the information leakage and infect from Malware in mobile environment without knowing, this thesis will analyze the improved way to manage and use the mobile device.

• 디지털융복합연구
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• 제9권1호
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• pp.61-70
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• 2011

Ultimately, this research will focus on the activity traits of future customers in the convergence age. To accomplish that, firstly, researcher develop measures for assessing the convergence level of digital devices and digital services. Next, this will investigate the behavioral traits of people who use specific devices or services on the internet or mobile networks. This study proposed five convergence measures each for devices and services. For digital devices, measures such as converged functions, accessibility to network, portability, immediate communicability, and expandibility of functions were utilized. For digital measures such as scope of users, newness, social network level, ease-of use on mobile networks, and expandibility of information were used. We believe that the research results can provide insights for those wishing to explore the convergence level of devices and services and those developing high-level converged devices and digital services.