• Title, Summary, Keyword: Mobile Services

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A Conversation Preference Profile for Web Services in Mobile Environment

  • Lee Kang-Chan;Lee Won-Suk;Jeon Jong-Hong;Lee Seung-Yun;Park Jong-Hun
    • Journal of information and communication convergence engineering
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    • v.4 no.1
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    • pp.1-4
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    • 2006
  • Recently Web Services choreography working group of W3C has published the working draft on WSCDL (Web Services Choreography Description Language) version 1.0 which defines reusable common rules to govern the ordering of exchanged messages between Web Services participants. This paper considers a computing environment where mobile clients are interacting with Web Services providers based on a WSCDL specification. In order to effectively cope with the user and device mobility of such an environment, in this paper we present an ongoing work to develop a framework through which a mobile client can specify its preference on how conversation should take place. The proposed framework provides a flexible means for mobile clients to minimize the number of message exchanges while allowing them to adhere to the required choreography.

Influencing Factors of Continuous Use Intention of Mobile IPTV Service (모바일 IPTV 서비스의 지속적인 이용의도에 대한 영향요인)

  • Kim, Hyoseok;Kim, Sanghoon
    • Journal of Information Technology Services
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    • v.16 no.4
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    • pp.99-120
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    • 2017
  • As smartphones and tablets are drastically spreading, mobile IPTV service becomes very important emerging issue in addition to existing DMB broadcasting, and the consumption of personalized multimedia services is increasing in the mobile Internet environment. While the previous research focuses on influencing factors of the initial acceptance intention of the mobile IPTV Service, this study intends to find the factors that affect continuous use intention of the mobile IPTV service which has become one of core services in the mobile environment. The research model and the hypotheses of this study could be derived on the basis of four referent theories (that is, mobile service quality model (MOBISQUAL), post acceptance model (PAM), expectation confirmation theory (ECT) and extended technology acceptance model (ETAM)). In order to empirically test the hypotheses, the field survey was conducted for 278 respondents. Twelve ones of fifteen hypotheses were found to be statistically significantly adopted from the results of structural equation model analyses using Smart PLS 3.0. The theoretical contribution of this study is to empirically investigate the factors that affect the continuous use intention of mobile IPTV service. And the practical contribution is to provide the implementation guidelines of managing the service quality to enhance the competitive power of mobile IPTV business.

Significant Factors for Building Enterprise Mobile Cloud (기업용 모바일 클라우드 시스템 구축 시 고려 요인)

  • Lee, Jae-Jin;Oh, Jun-Seok;Lee, Bong-Gyou
    • The KIPS Transactions:PartD
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    • v.18D no.6
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    • pp.481-492
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    • 2011
  • Recently, various mobile services are provided by the spread of wireless network infrastructures and smart devices. The improvement of cloud computing technologies increases the interests for enterprise mobile cloud services in various IT companies as well. By increasing the interests for enterprise mobile cloud services, it is necessary to evaluate the use of enterprise mobile cloud services. Therefore, the factors which affect the user acceptance of enterprise mobile cloud services are analyzed on the basis of Davis' technology acceptance model in this research. As analysis results, four external variables have significant effects on perceived ease of use of mobile cloud services. Also, these variables indirectly affect attitude toward using cloud services. The results show that the security is the most important factor for attitude toward using enterprise mobile cloud services. The service users also consider the interoperability as an important factor for the user acceptance of cloud services. The perceived ease of use has more contribution than the perceive usefulness on attitude toward using enterprise mobile cloud services. This research has both industrial and academic contributions because it provides the guideline to companies for introducing the enterprise mobile cloud services and apply the technology acceptance model on new IT services.

Study of Measures to Expand Mobile Payment by Enhancing the Payment Infrastructure for Merchant : Focus on Bluetooth Low Energy(BLE) Technology (가맹점 결제 인프라 개선을 통한 모바일 결제 확대 방안 연구 : 블루투스(BLE) 기술 중심)

  • Bok, Joonghyo;Kim, Byungsu;Gim, Gwangyong
    • Journal of Information Technology Services
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    • v.16 no.4
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    • pp.33-46
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    • 2017
  • Increasing popularity of smartphone is creating many changes in payment market sector also. The new fin-tech and simple mobile payment service have provided convenience as well as various benefits and value-added services to create new payment culture. However, the infrastructure of offline shops is too poor for users to use the simple mobile payment services in Korea. There are several reasons why the support of simple mobile payment services by offline shops has reached the limit in Korea. They include the reluctance of shop owners due to highly priced devices, the failure of NFC of the leading offline payment infrastructure to support iOS, the services that are biased to the specific manufacturers and smartphones (Samsung Pay and LG Pay), prefer large shops (SSG Pay and L PAY), and focus on online transactions. This study used the Bluetooth technology that is the standard feature built in all smartphone to expand the offline shops that accept the simple mobile payment services ensuring universality and scalability from the convenience of customer's and service provider's aspects. Applying the same payment scene as the existing NFC payment method from the user's aspect and the Bluetooth technology from the service provider's aspect enables support of all smartphones and offering value-added services such as electronic receipt and promotions through the large-capacity bidirectional data transfer. This study is intended to review the simple mobile payment services in Korea and other countries, propose the simple mobile payment service model for Korea by analyzing the Bluetooth technology and preceding studies of payment services using BLE technology, and develop the pilot system using the BLE technology to verify the proposed system with actual shops.

Design and Implementation of a Proxy-based Mobile Grid Services Framework (프록시 기반의 모바일 그리드 서비스 프레임워크 설계 및 구현)

  • Kim, Min-Gyu;Park, Si-Yong;Lee, Bong-Hwan
    • Journal of Internet Computing and Services
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    • v.8 no.3
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    • pp.85-98
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    • 2007
  • In distributed computing paradigm, mobile surrogate systems have not gained wide acceptance because of security concerns that have not been suitably addressed yet. Currently even the widely used Grid middleware, Globus, does not have a host authentication mechanism, which makes it hard to provide high performance Grid computing capabilities to mobile clients. In this paper, a mobile Grid service framework is designed and implemented in order to provide Grid services to mobile host such as PDA. The surrogate host-based system allows mobile hosts to be provided with Grid services while moving. The implemented mobile Grid services system has been applied to mobile healthcare system which utilizes Grid computing for ECG signal processing. The presented system framework can be used as a secure enterprise mobile healthcare system for hospital physicians.

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Development of Mobile Station in the CDMA Mobile System

  • Kim, Sun-Young;Uh, Yoon;Kweon, Hye-Yeoun;Lee, Hyuck-Jae
    • ETRI Journal
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    • v.19 no.3
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    • pp.202-227
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    • 1997
  • This paper describes the development of the CDMA mobile station to support non-speech, mobile office services such as data, fax, and short message service in addition to voice. We developed some important functions of layer 2 and layer 3. To provide non-speech services, we developed a terminal adapter and user interface software. The description of development process, software architecture and external interfaces required to provide such services is given. The description of a TTA-62 message analysis tool, a mobile station monitoring software, and an automatic test system developed for integration tests and performance measurements is also given.

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Study on the Standardizations Technology of Mobiloud (모빌라우드 표준화 연구)

  • Choi, Sung
    • Proceedings of the Korea Information Processing Society Conference
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    • pp.1344-1347
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    • 2012
  • Mobile Cloud Computing services anywhere, anytime access to the Internet via a mobile terminal means to provide services, speakers are called Mobiloud. Computing processing power limitations of mobile devices, storage, due to space constraints, the tasks handled by mobile devices and data processing services to move to cloud environments. In recent years, smartphone, tablet PC and mobile device companies and individuals to spread and spread, and the content of the accelerating cloud painters, mobile cloud that can communicate with each other requires a standard service.

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A study on the factors affecting the usage and diffusion of Mobile Easy Payment Services

  • Lee, Eunyoung;Shin, Chan;Baatdawa, Baatdawa
    • International Journal of Advanced Culture Technology
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    • v.8 no.1
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    • pp.38-43
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    • 2020
  • This study examines the factors affecting the usage and diffusion of mobile easy payment services which is fast growing industry recently. After wide reviewing previous research about mobile payment, Some factors are identified as the factors influencing intention to use mobile easy payment services-confidence, innovativeness, mobile self-efficacy, relative advantage- through several mediating factors- perceived ease, perceived usefulness, perceived risk. Empirical study for a research model showed confidence, mobile self-efficacy and relative advantage are effective to the intention to use mobile easy payment services via perceived usefulness and perceived risk. Based on the results of the study, some practical implication for customer retention and acquisition are suggested.

Design of Next Generation Mobile Convergence Service Business Model (차세대 이동통신 컨버젼스 서비스를 위한 비즈니스 모델 개발)

  • Ryu, Seung-Wan;Kim, Jin-Bae;Sin, Dong-Cheon;O, Don-Seong
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • pp.358-373
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    • 2007
  • In this paper, we proposed the next generation mobile convergence service business model creation methodology. In order to establish such a business model creation methodology framework, we first introduce the service model based on our previous research results on next generation mobile convergence services. The service model contains several components such as infrastructures, operations, and provision of services that are indispensible for providing the next generation mobile services. Finally, by adding service and value flows to the developed service model, we propose the next generation mobile services business model creation methodology. To achieve this objective, we first derive necessary components of business model including actors, their relationships, and roles. In addition, we propose service composition methodology for creating new mobile services and its corresponding business models.

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A Broker-Based Framework for QoS-Aware Mobile Web Services Selection (품질고려 모바일 웹 서비스 선택을 위한 중개자 기반의 프레임워크)

  • Yeom, Gwy-Duk;Lee, Kun-Chang
    • Journal of the Korea Society of Computer and Information
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    • v.19 no.12
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    • pp.209-218
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    • 2014
  • The more mobile devices consuming web services, the more QoS-aware selection of mobile web services, we need. A QoS(Quality of Service) contract is an agreement between the web service provider and the mobile user that specifies the level of the service quality. Web services users can be assured of the level of the service quality specified by the QoS contract. We propose a broker-based framework for QoS-aware mobile web services selection in this work. Under this architecture, the mobile users can request the web services through the service broker on the wireless networks. The service broker utilizes agents to monitor the web services quality and manages the service quality by notifying the service provider and mobile user of the service contract violation. Reliability, response time, and cost were the metrics used for QoS monitoring. Futhermore mobile users can select a web service best suited for his/her needs through the service broker.