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GIS
2005
ACM
16 years 7 months ago
Use of rational numbers in the design of robust geometric primitives for three-dimensional spatial database systems
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
Brian E. Weinrich, Markus Schneider
PERCOM
2007
ACM
16 years 5 months ago
The RUNES Middleware for Networked Embedded Systems and its Application in a Disaster Management Scenario
Due to the inherent nature of their heterogeneity, resource scarcity and dynamism, the provision of middleware for future networked embedded environments is a challenging task. In...
Paolo Costa, Geoff Coulson, Richard Gold, Manish L...
ICDCS
2008
IEEE
16 years 14 days ago
Fully Adaptive Power Saving Protocols for Ad Hoc Networks Using the Hyper Quorum System
Quorum-based Power Saving (QPS) protocols have been proposed for ad hoc networks (e.g., IEEE 802.11 ad hoc mode) to increase energy efficiency and prolong the operational time of...
Shan-Hung Wu, Ming-Syan Chen, Chung-Min Chen
ICC
2007
IEEE
16 years 11 days ago
Performance Analysis and Evaluation of VDSL2 Systems: Band-Plan Study
— In this paper we discuss the performance of different profiles of VDSL2 systems in a frequency range up to 12 MHz (bandplan 998 and 997, corresponding to the European region) u...
Hernán Córdova, Teun van der Veen, L...
SAINT
2003
IEEE
15 years 11 months ago
Mobile Agent based realization of a distance evaluation system
The growth of the Internet has led to new avenues for distance education. A crucial factor for the success of distance education is effective mechanisms for distance evaluation. E...
Vikram Jamwal, Sridhar Iyer