• The KIPS Transactions:PartA
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• v.12A no.7 s.97
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• pp.597-604
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• 2005

The paper describes implementation of smartphone edition based on embedded Linux, which is composed of smartphone middleware and basic applications. Existing smartphone platforms entails loyalty expenses and has difficulties on customization due to the closed policy of their source codes. Although GPE - based on embedded Linux has solved the loyalty issues, other problems are remained unsolved. Since GPE has been designed for relatively large PDA-level devices, applications are generally inoperable under the condition of small LCD size and input methods without touch-screen; the condition is typical limitations of the smartphones. In the implemented smartphone edition of the paper no loyalty is required, because the smartphone edition is based on embedded Linux. It also supports keypad-only operating functionality such as moving between folders or running applications with operations. Besides, it provides more user-friendly environment to use the smartphone editionscreen interfaces and indicatorsto those of the regular cellular phones.

• Convergence Security Journal
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• v.14 no.4
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• pp.33-40
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• 2014

Since 2006, social networking services such as Facebook, Twitter, and Blog user increasing very rapidly. Furthermore demand of Book Retrieval Service using smartphone on social network service environment are increasing too. This service can to easy and share information for search book and data in several university. However, the current edition of the social services in the country to provide security services do not have the right. Therefore, we suggest a social book Retrieval service in social network environment that can support user authentication and partial filter search method on smartphone. our proposed system can to provide more speed responsiveness, effective display result on smartphone and security service.