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학술지 Design and Implementation of an Architectural Framework for Web Portals in a Ubiquitous Pervasive Environment
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저자
타키, 유승화, 김기형, 주성순, 정운철
발행일
200907
출처
Sensors, v.9 no.7, pp.5201-5223
ISSN
1424-8220
출판사
MDPI AG
DOI
https://dx.doi.org/10.3390/s90705201
협약과제
08MC3700, QoS 및 확장성지원(S-MoRe) 센서네트워크 고도화 기술개발 (표준화연계), 채종석
초록
Web Portals function as a single point of access to information on the World Wide Web (WWW). The web portal always contacts the portal's gateway for the information flow that causes network traffic over the Internet. Moreover, it provides real time/dynamic access to the stored information, but not access to the real time information. This inherent functionality of web portals limits their role for resource constrained digital devices in the Ubiquitous era (U-era). This paper presents a framework for the web portal in the U-era. We have introduced the concept of Local Regions in the proposed framework, so that the local queries could be solved locally rather than having to route them over the Internet. Moreover, our framework enables one-to-one device communication for real time information flow. To provide an in-depth analysis, firstly, we provide an analytical model for query processing at the servers for our framework-oriented web portal. At the end, we have deployed a testbed, as one of the world's largest IP based wireless sensor networks testbed, and real time measurements are observed that prove the efficacy and workability of the proposed framework. © 2009 by the authors.
키워드
Ubiquitous era (U-era), Ubiquitous Sensor Networks (USN), Web portal
KSP 제안 키워드
Access to Information(A2I), Analytical model, Architectural framework, Device Communication, Digital devices, In-depth analysis, Network Traffic, One-to-one, Pervasive Environment, Query Processing, Real-Time
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