• Journal of Internet of Things and Convergence
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• v.10 no.1
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• pp.21-27
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• 2024

This paper presents the implementation of a personalized real-time information-providing application utilizing filtering and web crawling technologies. The implemented application performs web crawling based on the user-set keywords within web pages, using the Jsoup library as a basis for the selected keywords. The crawled data is then stored in a MySQL database. The stored data is presented to the user through an application implemented using Flutter. Additionally, mobile push notifications are provided using Firebase Cloud Messaging (FCM). Through these methods, users can efficiently obtain the desired information quickly. Furthermore, there is an expectation that this approach can be applied to the Internet of Things (IoT) where big data is generated, allowing users to receive only the information they need.

• The Journal of the Korea institute of electronic communication sciences
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• v.14 no.1
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• pp.205-212
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• 2019

With the rapid spread of mobile phones, users are continuously interested in using the mobile phone in connection with personal activities. Also, increasingly users want to share (transmit and receive) and save data more easily and simply in the mobile environment. This paper suggests motion recognition of mobile phone to share personal information with any people located within a certain distance using location-based service with GCM service. The suggested application is based on Google Cloud Messaging which enables asynchronous communication with the mobile applications executed in Android operating system. The requirements of light-weight mechanism can be satisfied as it is possible to access sharing of personal information easily, simply and in real time through all mobile devices anywhere.

• Journal of Korea Multimedia Society
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• v.19 no.2
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• pp.317-324
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• 2016

This paper proposes a message transfer application using smartphone with NFC(Near Field Communication) and GCM(Goolge Cloud Messaging) technology for prevention of personal information leakage. In implementing for the proposed system, we design a NFC-based vehicle status alerts service which make it possible to communicate with smartpone message without phone-number between a car driver and an unspecified person. The application provides message communication mechanism without exposing the real phone number, using the NFC tag written with the driver's smartphone device ID and GCM push messages. Through the evaluation result of the actual implemented application, the proposed system can be efficient technology in protection for leakage of personal information such as personal phone- number in daily life.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2016.05a
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• pp.310-311
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• 2016

마리타임 클라우드는 이네비게이션 실증 사례로써 통신 프레임워크를 지원하는 오픈소스 프로젝트이다. 마리타임 클라우드는 해양이해관계자들 사이의 안전한 정보교환을 제공하며 해양 서비스에 대한 관리를 지원한다. 그러나 마리타임 클라우드를 처음 접하는 개발자들에게 시스템을 이해하고 사용하기까지 많은 시간과 선행 작업이 요구된다. 이러한 점을 고려해 본 논문에서는 마리타임 클라우드에 쉽게 접근할 수 있고 초기비용을 감소시킬 수 있는 개발 지원 클래스를 설계하고 구현한다. 개발 지원 클래스는 마리타임 클라우드 접속과정과 메시지 전달기능인 MMS 관련 함수를 제공한다. 개발 지원 클래스를 이용하여 메시지 교환 프로그램을 구현하고 메시지 전달이 성공적으로 이루어졌는지 테스트한다.

• Proceedings of the Korean Society of Computer Information Conference
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• 2018.01a
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• pp.69-72
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• 2018

최근 증가하고 있는 자유개별여행자들의 경우 항공권, 숙박 등의 여행상품을 개별로 구매하고 여행지에서 지역 여행정보를 통해 여행상품을 구매한다. 일반적인 여행 앱에서는 여행자에게 일괄적으로 관광 상품 메시지를 전송한다. 하지만 해당 여행지에 대한 정보 메시지를 여행 시간대별로 받는다면 여행자는 그 정보를 토대로 좀 더 다양한 여행을 즐길 수 있으며, 해당 지역의 여행 상품을 판매하는 판매자의 경우 효과적인 홍보 마케팅이 이루어질 것으로 사료된다. 따라서 본 연구에서는 해당 여행지를 여행하고 있는 여행자에게 스케줄링된 여행정보를 주기적으로 전송할 수 있는 FCM기반의 푸시서비스 개발을 목적으로 하였다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2014.10a
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• pp.434-437
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• 2014

현대인들의 생활필수품인 스마트 폰을 이용한 전자상의 거래가 날이 갈수록 활발해지고 있다. 스마트 폰을 이용하여 실시간으로 물품을 구매 혹은 판매하며 자신이 원하는 물품을 검색하는 행위가 급증하고 있다. 그러나 구매하고자 하는 물품이 즉시 검색이 안 되면 해당 물품이 등록되기 전까지 구매자는 지속적으로 검색을 수행해야 하는 문제가 있다. 이 논문에서는 사용자가 원하는 물품에 대한 정보를 이용하여 실시간으로 사용자에게 물품의 등록여부를 알려주는 서비스를 제공함으로써 사용자에게 편의성을 제공한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2013.11a
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• pp.871-874
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• 2013

기존 PC에서 발생되는 악성코드가 안드로이드 모바일 플랫폼에서 스미싱 어플리케이션으로 급증하고 있다. 스마트 폰 사용자는 SMS에 의해 악성코드를 설치하게 되며, 악성코드가 소액결제 서비스 인증번호를 가로채어 C&C 서버 등으로 송신함으로써 30 만원 이내의 금전적 손해를 일으키게 된다. 본 논문에서는 GCM(Google Cloud Messaging)과 MDM(Mobile Device Management)을 이용하여 사용자의 스마트 폰에서 동작하고 있는 악성 어플리케이션을 탐지하고, 악성 행위를 통제시키며 사용자로부터 직접 어플리케이션을 삭제하길 권하는 시스템을 설계하여 제안하고자 한다.

• Journal of the Korea Convergence Society
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• v.7 no.2
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• pp.7-12
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• 2016

The health of the companion animal is one of the most important factors for the owners. However, many owners are not aware of their companion's obesity condition. Data shows that 40% of dogs are suffering from obesity. This application is designed for and compatible with high-volume-user devices such as Android-based devices. The size of the application is reduced keeping standard data such as weight and vaccination date of species on servers and analyzing and fetching these data when user inquires about. Finally, the application has an added component of community space in order to share the knowledge among the number of users.

• International Journal of Contents
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• v.16 no.1
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• pp.75-86
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• 2020

As the elderly population is becoming an aging society, the elderly are experiencing many problems. Social security costs for the elderly are increasing and the un-linked social phenomenon is emerging. Thus, the social infrastructure and welfare system established in the past economic growth period are in danger of not functioning properly. People socially isolated or with chronic diseases among the elderly are exposed to various accidents. Thus, an active healthcare management service is imperative. Additionally, in the event of a dangerous situation, the system must have ways to notify guardians (family or medical personnel) regarding appropriate action. Thus, in this paper, we propose the smartphone-based healthcare and emergency response service platform. The proposed service platform aggregates movement of relevant data in real-time using a smartphone. Based on aggregated data, it will always recognize the user's movements and current state using the human motion recognition mechanism. Thus, the proposed service platform provides real-time status monitoring, activity reports, a health calendar, location-based hospital information, emergency situation detection, and cloud messaging server-based efficient notification to several subscribers such as family, guardians, and medical personnel. Through this service, users or guardians can augment the level of care for the elderly through the reports. Also, if an emergency situation is detected, the system immediately informs guardians so as to minimize the risk through immediate response.

• Archives of Plastic Surgery
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• v.48 no.3
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• pp.295-304
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• 2021

Clinical photography is an essential component of patient care in plastic surgery. The use of unsecured smartphone cameras, digital cameras, social media, instant messaging, and commercially available cloud-based storage devices threatens patients' data safety. This paper Identifies potential risks of clinical photography and heightens awareness of safe clinical photography. Specifically, we evaluated existing risk-mitigation strategies globally, comparing them to industry standards in similar settings, and formulated a framework for developing a risk-mitigation plan for avoiding data breaches by identifying the safest methods of picture taking, transfer to storage, retrieval, and use, both within and outside the organization. Since threats evolve constantly, the framework must evolve too. Based on a literature search of both PubMed and the web (via Google) with key phrases and child terms (for PubMed), the risks and consequences of data breaches in individual processes in clinical photography are identified. Current clinical-photography practices are described. Lastly, we evaluate current risk mitigation strategies for clinical photography by examining guidelines from professional organizations, governmental agencies, and non-healthcare industries. Combining lessons learned from the steps above into a comprehensive framework that could contribute to national/international guidelines on safe clinical photography, we provide recommendations for best practice guidelines. It is imperative that best practice guidelines for the simple, safe, and secure capture, transfer, storage, and retrieval of clinical photographs be co-developed through cooperative efforts between providers, hospital administrators, clinical informaticians, IT governance structures, and national professional organizations. This would significantly safeguard patient data security and provide the privacy that patients deserve and expect.