• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.3
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• pp.525-532
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• 2013

Recently. smartphones have been popularized rapidly and now located deep in our daily life, providing a variety of services from banking, SNS (Social Network Service), and entertainment to smart-work mobile office through apps. Such smartphone apps can be easily downloaded from what is known as app store which, however, bears many security issues as software developers can just as easily upload to it. Military apps will be exposed to a myriad of security threats if distributed through internet-basis commercial app store. In order to mitigate such security concerns, this paper suggests a security guidelines for establishing a military-excusive app store and security verification system which prevent the security hazards that can occur during the process of development and distribution of military-use mobile apps.

• The Journal of the Convergence on Culture Technology
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• v.2 no.3
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• pp.41-44
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• 2016

In development environment focused on computers, the ideas of app developring tool have been presented in terms of improved software productivity. Historically, for smart applications, app developing tools have not yet effectively developed or initiated locally or internationally. Therefore, developer have difficulty in studying developing process due to the difficulties of text based language. The basic concept of a new innovative App development tool, App Developing Tool, which has been proposed in this study and enables to apply on-site requirements to smart phones, is to develop Apps on the level using easy-to-learn Word or Excel in a computer. App developing tool is developed process focus instead of program focus by introducing SOA(Service-oriented Architecture) to develop reasonably reusable service units. Since service-oriented architecture allows reusing by service unit when there are changes in a specific process or service, it is possible to provide a new function by replacing the service instead of developing a new program.

• Proceedings of the Korean Society of Computer Information Conference
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• 2012.07a
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• pp.355-357
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• 2012

본 논문에서는 안드로이드 기반 스마트폰을 이용하여 모바일 게임개발을 위한 기초 학습용 앱의 구현 내용을 소개하였다. 이미 상용화 되어 있는 학습용 앱의 용도 외에 게임적 요소를 접목하여 학습의 효과와 흥미를 높일 수 있도록 하였다. 누구나 배우고 즐길 수 있는 학습용 앱으로 평가할 수 있다. 디자인적 요소와 게임 기능의 확대 후 안드로이드 마켓에 배포하여 서비스를 할 수 있으며 본 연구의 과정은 게임 앱 설계 관련 프로젝트의 수행이나 학습용 게임 앱 개발의 학습 모형을 제시한 사례로 활용할 수 있다.

• Proceedings of the Korea Information Processing Society Conference
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• 2017.11a
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• pp.1086-1087
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• 2017

타이젠은 오픈 소스 소프트웨어 플랫폼이다. 타이젠 SDK를 통해 개발자는 타이젠 프레임워크 상에서 동작하는 애플리케이션을 손쉽게 구현할 수 있다. 그러나 타이젠 SDK에서는 제스처를 인식하는 API를 제공하지 않는다. 따라서 제스처를 이용한 앱을 개발하기 위해서는 앱 개발자가 센서 값을 분석해 제스처를 인식하는 기능을 구현해야 한다. 여기서는 제스처를 인식하는 기능을 기존 플랫폼에 추가해 앱 개발 시간을 단축한 구현사례를 소개한다.

• Journal of the Korea Convergence Society
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• v.12 no.12
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• pp.19-29
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• 2021

Although several industrial revolutions and technological developments have provided time for modern people, more than 75% of modern people are currently suffering from the problem of "lack of time". Therefore, in this paper, it was judged that it was necessary to improve the mobile APP service for efficient time management of modern people, and a study was conducted on the development of usability evaluation tools. First, the current status was analyzed through case studies of six time management apps with different purposes, and then usability studies were conducted to establish a total of five evaluation principles with operability, cognition, user suitability, minimization of work errors, and sharing. Based on this, a draft of the time management mobile app usability evaluation item was prepared, and a total of 44 usability evaluation tool items were derived through three Delphi surveys of design experts over 5 years and less than 10 years. As a result, intuitive screen and menu composition and user's perception of content were evaluated as the most important factors, and conclusions such as the need to improve the structure and function of the main content screen for user error prevention and usability were drawn. This study will not only contribute to improving the usability of existing time management mobile apps, but will also be used as a material for designing an integrated time management platform for efficient time management and purpose promotion in the future, and is expected to be used as an academic reference.

• Journal of the Korea Society of Computer and Information
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• v.26 no.6
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• pp.107-113
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• 2021

In this paper, we conducted an empirical study to investigate whether Android app descriptions provide enough permission usages for measuring app quality in terms of human writing and consistency between code and descriptions. Android app descriptions are analyzed for various purposes such as quality measurement, functionality recommendation, and malware detection. However, many app descriptions do not disclose permission usages, whether accidentally or on purpose. Most importantly, the previous studies could not precisely analyze app descriptions if permission usages cannot be completely introduced in app descriptions. To assess the consistency between permissions and app descriptions, we implemented a state-of-the-art method to predict Android permissions for 29,270 app descriptions. As a result, 25% of app descriptions may not contain any permission semantic, and 57% of app descriptions cannot accurately reflect permission usages.

• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.1142-1145
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• 2011

최근 스마트폰을 중심으로 한 모바일 기기의 보급 및 활용이 급격하게 증가하고 있다. 이러한 환경 변환에 맞춰 많은 서비스들이 모바일 기기를 위한 형태, 즉 앱으로 개발되고 있다. 이 논문에서는 이러한 패러다임의 이동을 고려하여, 현재의 통계지리정보서비스에 대하여 고찰하고 이를 통해 모바일 기기를 위한 적합한 앱 형태 및 고려사항에 대하여 기술한다. 통계정보는 다양한 형태로 제공될 수 있으며, 특히 지리정보시스템과의 연계를 통한 서비스 활용성과 이해력을 돕기 위한 통계지리정보서비스에 대한 연구가 진행되어 왔다. 그러나 변화하는 패러다임을 고려한 앱 개발에 관한 연구는 미비한 실정이다. 따라서 이 논문에서는 사용자의 통계정보의 활용성 향상시킬 수 있는 통계지리정보 앱 개발 시 고려사항 및 기능에 대하여 기술한다. 이 논문의 결과는 스마트폰과 같은 모바일 기기를 위한 앱 개발을 위한 기초 자료로 활용될 수 있다.

• 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.

• Journal of Venture Innovation
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• v.6 no.4
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• pp.23-40
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• 2023

This study examines the customer value factors affecting the intention to continue using the mobile app of department stores, which are traditional offline retailers, in the retail industry that is rapidly digitalizing and becoming mobile. This study clarifies multidimensional customer value in three dimensions; functional, convenience, and social. Functional value refers to the integrated channel, and consistent customer experience provided between channels in the omnichannel retail environment, while convenience value is the convenience of saving time and effort save while customers use a mobile app. Social value refers to the improvement of social approval or social self-concept occurring due to the use of products or services related to green marketing within the mobile app of the department store. The influence of each on the dependent variable, the mobile app's continuous use intention, was analyzed by using the three dimensions of customer value as independent variables. Data was collected from customers who have a history of using the mobile app of Shinsegae Department Store in Korea, and a confirmatory analysis was conducted using Smart PLS 4.0. The analysis results showed that all three dimensions of customer value; functional value, convenience value, and social value, had a positive (+) influence on customers' intention to continue using the mobile app, and the influence of functional value had the greatest impact. As functional value appears to be the most important influencing factor due to the omnichannel retail trend by advancement of technology, it suggests that it is important for department stores, and offline retailers, to provide integrated channels. This provides insights into the direction of customer-centered strategy formulation for activating department store mobile apps and suggests basic analytical data for customized services and marketing activities that department stores can effectively meet the changing expectations and demands of customers through new mobile channels rather than existing offline channels.

• Proceedings of the Korea Information Processing Society Conference
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• 2023.05a
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• pp.745-747
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• 2023

깃허브는 개발자의 명함이라는 말이 있듯, 많은 수의 개발자들이 깃허브를 활용해 자신의 개발 이력과 프로젝트들을 관리한다. 이를 위해 기존의 깃허브 정보 요약 서비스들이 제공되어졌으나, 정보 공유의 불편함과 많은 정보를 담지 못한다는 불편함이 존재했다. 본 논문에서는 이러한 불편함을 해소하기 위해 서버 기반의 깃허브 웹 명함 제작 및 멀티플랫폼에서의 서비스를 기반으로 한 효율적인 개발자 명함 생태계 구축을 제안한다. 본 서비스에서는 Next.js 기술을 활용한 한 명함 제작 및 웹, 앱 클라이언트를 통한 명함 관리 기능을 제공한다. Github oauth를 통해 인증된 정보를 바탕으로 Next.js를 활용해 사용자에 대한 정보를 정해진 형식으로 요약한 명함을 제작한다. 제작된 명함은 웹 / 앱 플랫폼을 기반으로 관리되며, 추가적으로 명함의 공유 및 저장 기능을 수행한다. 이를 통해, 명함 공유를 바탕으로 한 개발자 네트워크 형성을 목표로 한다.