• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2013.10a
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• pp.219-222
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• 2013

Recently, rapid innovation of Smartphone is changing the paradigm of our daily life. With the launch of Apple iPhone, there is an explosion of interest in Smartphone itself as well as Internet-based services using Smartphone are being revitalized. Smartphone users, opinion experts more than 99 percent of the economically active population is using, it has reached the saturation past the early stages of formation. Smartphone is equipped with a general purpose OS possible the implementation of high performance environment similar level as a personal computer. Also, it is a mobile communication terminal scalable which can be removed or installed various applications. New information technology like Smartphone gives us a very important and interesting research issue that is to find and prove the factors influencing the purchase intention. At this point, study identifying on the influence factors to the behavioral intention of Smartphone is very important. This study was targeted a total of 99 research papers that are setting up the related Smartphone in among the research papers published in domestic academic journals since 2008. Empirical research related behavioral intention using was summarized on the papers 76.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.5
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• pp.2396-2401
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• 2011

This paper aims to design and realize android smartphone mobile office ticket reservation system based Spring Framework 2.5 and iBatis 2.3 ORM solution. Currently being used as lightweight container architecture Spring Framework is well-known structure. Also intended to increase the productivity of database techniques are ORM. With the current ORM mapper is widely used in production are iBatis as a tool. Lightweight container architecture in this study, best known as the Spring Framework 2.5 and iBatis 2.3 ORM solution environment based on the android smartphone mobile ticket reservation system implementation after analyzing the mobile webapp development productivity with the objective is to provide guidance.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.10 no.4
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• pp.63-68
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• 2010

Mobile devices like iphone, ipad, kindle, and PDA are used as everyday tool. In the mobile environment, smart phones and other mobile units are also used as a tool for protection or infringement of personal information. Therefore, smart monitoring technology is required to protect personal information and privacy. On the other hand, with smart phones and the mobile environment, diverse application technologies are realized on hardware and software platforms. Therefore, this paper designs the network structure that forms privacy trust zone, and based on this, deals with the monitoring and monitoring prevention system with a focus on CCTV, through which this paper proposes a system that provides privacy trust zone information and its utilization which is capable of smart monitoring.

• Journal of The Korean Association of Information Education
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• v.17 no.3
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• pp.253-264
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• 2013

We development the service that teacher and parent can control the smart phone of student in school and home, the name is I_smart_keeper. The service is composed of server system, teacher's application, parent's application and student's application. The control of student's phone in school is operated by school timetable and GPS(Global Positioning System) in smart phone. The student's phone is operating one of six policy. The six policy is 'emergency call only', 'specific application only', 'call only', 'call and text only', 'all allowed' and 'all lock'. The teacher can change the current policy with his or her phone, That is a the temporary policy can be applied on a day. In school hours, teacher is able to instruct student using application appropriate to the teaching. If student is leaving school early and located outside school, the service do free the student's phone by GPS of her or his phone. We show the Smart Health Indicator (SHI)that analyse the pattern of student's phone habit and SHI will guide a desirable student's phone habit. In home, parent can control child's phone. The service will help the risk reduction of a robbery case due to keeping student's phone by teacher in class. Currently one elementary school's all student use I_smart_keeper and three elementary school is testing to some class. The teacher's impression was very good and they usually use I_smart_keeper for class in positive light. Survey results for students with higher satisfaction.

• Proceedings of the Korea Information Processing Society Conference
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• 2012.11a
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• pp.672-675
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• 2012

음성은 가장 익숙하고 편리한 의사 소통 수단으로 스마트폰과 같이 크기가 작은 모바일 기기의 입력 인터페이스로 적합하다. 서버 기반의 음성 인식은 서버를 방문하는 다양한 사용자들을 대상으로 음성 모델을 구축하기 때문에 음성 인식률을 높일 수 있고 상용화가 가능하다. 구글 음성인식, 아이폰의 시리(SiRi)가 대표적인 예이며 최근 스마트폰 사용자의 증가로 이에 대한 수요가 급증하고 있다. 서버 기반 음성 인식 기법에서 음성 인식은 스마트폰과 인터넷으로 연결되어 있는 원격지 서버에서 이루어진다. 따라서, 사용자는 스마트폰에 저장된 음성 데이터를 인터넷을 통하여 음성 인식 서버로 전달해야 된다[1, 2]. 음성 데이터는 사용자 고유 정보를 가지고 있으므로 개인 인증 및 식별을 위한 용도로 사용될 수 있으며 음성의 톤, 음성 신호의 피치, 빠르기 등을 통해서 사용자의 감정까지도 판단 할 수 있다[3]. 서버 기반 음성 인식에서 네트워크로 전송되는 사용자 음성 데이터는 제 3 자에게 쉽게 노출되기 때문에 화자의 신분 및 감정이 알려지게 되어 프라이버시 침해를 받게 된다. 본 논문에서는 화자의 프라이버시를 보호하기 위하여 사용자 음성 데이터로부터 개인의 고유 특징 및 현재 상태를 파악할 수 있는 감정 정보를 제거하는 기법을 설계 및 구현하였다.

• The Journal of the Korea Contents Association
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• v.17 no.11
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• pp.143-155
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• 2017

In the mobile-first era, plenty of mobile apps have been created so that the number of apps owned in a smartphone have been increasing as well. However, users spend most of time with only a few apps and the rest of apps are just kept in their smartphones for future usage. Thus, in order to help users find the apps quickly it is important to study how users arrange apps in a mobile phone screen and find an app. In the literature, we extracted 5 user types to organize mobile apps. We further conducted user survey with 30 subjects and finalized major 3 user types categorized by relatedness(A), aesthetic(B), and external concepts(C). We found that most of subjects took less than 2 minutes when finding frequently-used-apps. However we identified difference in times taken to find a barely-used-apps across three user types; while A type users turns out to be the most effective in finding barely-used-apps, the B type uses tend to be the least effective among three types. For the A type users, an app's name is more important than an icon image because they tend to guess the functionality from the name of the app. The B type users use the color of app icon to find the app in the smartphone. For the C type users who tend to remain the original position of an app when first downloading it in the smartphone, the visibility of an app icon is important to catch users' eyes while they scan a page. The results of this study is expected to be useful for UX designers who improve the usability of app icon usage considering the user types.

• 한국HCI학회:학술대회논문집
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• 2009.02a
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• pp.733-736
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• 2009

In this paper, we proposed the coupon recognition system using vision techniques. In the proposed system coupon information represented by the ID in the database. We use the camera to acquire images which contains coupon information. By using the ID we get information from the database. The performance of proposed system is verified through many mobile phones.

• Proceedings of the Korean Information Science Society Conference
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• 2012.06d
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• pp.82-84
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• 2012

2000년 아이폰의 첫 출시 이후 이동전화를 비롯한 다양한 모바일 단말과 많은 관련 산업이 호황을 누리고 있고 사람들이 컴퓨터를 접하는 시간에 비해 모바일 기기를 접하는 시간 또한 증가하고 있다. 특히 스마트 폰을 통한 웹 트래픽양의 증가량 추이는 기업체들의 PR 수단 변화에 점점 많은 영향을 미치고 있음을 시사하며 특히 기업들이 웹을 통한 홍보 수단인 홈페이지 및 광고 장치들을 스마트 폰 환경에 맞춰야 하는 일이 필요해지고 있다. 본 논문에서 제안하는 모바일 호환 웹 페이지의 자동 생성 프레임워크는 대부분의 웹 브라우저에서 지원하며 다양한 이종 단말환경에서 호환될 수 있는 새로운 웹 표준인 HTML5을 기반으로 한다. 이를 통하여 사용자의 모바일 웹 페이지를 간편하게 생성해주는 프레임워크 및 기반 환경을 제공하여 누구나 손쉽게 모바일 웹 환경에서 이벤트 페이지를 간단히 만들 수 있다. 이는 마치 블로그를 제작할 때 기본 정보를 올리고 템플릿을 선택하는 것처럼 손쉬운 조작을 통해 웹 페이지를 구성할 수 있게 한다.

• Journal of the Korea Institute of Military Science and Technology
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• v.14 no.1
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• pp.30-38
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• 2011

The modern warfare needs sharing tactical situation and Command and Control(C2) capacity. Lately, developing of C2 System for Soldiers has dramatically increased according to increase of asymmetric state of hostilities like a guerilla war or a street-to-street fighting. In this paper, we explain the concepts of C2 System for Soldiers and Smart Phone. We describe the proposed system composed of HMD equipment, Smart Phone, and exclusive software. This system provides that Soldiers have C2 capacity and share the image of a visual field. It also offers efficient military power disposition and understanding tactical situation in operations.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2011.05a
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• pp.418-421
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• 2011

Smart Phone 사용자가 증가하고, Smart Phone을 통한 침해사고도 증가되고 있다. 특히 2010년 3분기 국내 Smart Phone의 31%를 차지하고 있는 iPhone은 사용자가 Jailbreak를 통하여 관리자 권한을 스스로 획득함으로서 이를 악용한다면 개인정보 탈취 등 침해사고의 위험이 있다. 본 논문에서는 Jailbreak 한 iPhone을 이용하여 주변의 802.11 Packet Sniffing공격을 실시하고 802.11 AP 취약점을 분석한다. 또한 Google Map을 이용해 주변의 무선 AP 위치를 파악하고 AP의 종류, 위치, 거리, MAC, SSID, RSSI, Channel, 보안설정 정보를 탈취한다. 본 논문을 통하여 스마트폰과 무선 인터넷 보안성 강화를 위한 기초 자료를 제공하게 될 것이다.