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» DOT: A Spatial Access Method Using Fractals
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MSS
2003
IEEE
84views Hardware» more  MSS 2003»
14 years 27 days ago
Views, Objects, and Persistence for Accessing a High Volume Global Data Set
Efficient access methods are reviewed and explored in relation to the global surface hourly data set and several of its derivative products. Typical access paradigms are compared ...
Richard T. Baldwi
ICC
2007
IEEE
119views Communications» more  ICC 2007»
14 years 2 months ago
A Convex Quadratic SDMA Grouping Algorithm Based on Spatial Correlation
Abstract— Space Division Multiple Access (SDMA) is a promising solution to improve the spectral efficiency of future mobile radio systems. However, finding the group of MSs tha...
Tarcisio F. Maciel, Anja Klein
VTC
2007
IEEE
158views Communications» more  VTC 2007»
14 years 1 months ago
Efficient Spatial Reuse in Multi-Radio, Multi-Hop Wireless Mesh Networks
— In the paper, we propose a novel scheduling mechanism without modifying the existing IEEE 802.11 MAC, called wireless Radio-Matching Protocol (RMP). It takes account of interfe...
Da-Ren Guo, Kuochen Wang, Lung-Sheng Lee
TSMC
2002
142views more  TSMC 2002»
13 years 7 months ago
Adaptive color reduction
Abstract--This paper proposes a new algorithm for the reduction of the number of colors in an image. The proposed adaptive color reduction (ACR) technique achieves color reduction ...
Nikos Papamarkos, Antonios Atsalakis, Charalambos ...
COSIT
2005
Springer
100views GIS» more  COSIT 2005»
14 years 1 months ago
The Role of Spatial Relations in Automating the Semantic Annotation of Geodata
How can the usability of distributed and heterogeneous geographic data sets be enhanced? Semantic interoperability is a prerequisite for effectively finding and accessing relevant ...
Eva Klien, Michael Lutz