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JCIT
2007
100views more  JCIT 2007»
13 years 8 months ago
Frame Sliced Parallel Signature Files for Fast Colored Image Retrieval
The paper presents a novel approach for searching a very large image database employing frame sliced parallel signature file. Signature files have been proposed and used for retri...
Shashikala Tapaswi
GROUP
2005
ACM
14 years 2 months ago
An optimization approach to group coupling in heterogeneous collaborative systems
Recent proliferation of computing devices has brought attention to heterogeneous collaborative systems, where key challenges arise from the resource limitations and disparities. S...
Carlos D. Correa, Ivan Marsic
VTC
2007
IEEE
106views Communications» more  VTC 2007»
14 years 2 months ago
Optimization Aspects for Cellular Service Performance and Mobile Positioning in WCDMA Radio Networks
— The aim of this paper is to evaluate the impact of selected topology planning aspects on performance of WCDMA cellular network and mobile positioning techniques. The assessment...
Jakub Borkowski, Panu Lahdekorpi, Tero Isotalo, Ju...
ICDE
2008
IEEE
155views Database» more  ICDE 2008»
14 years 9 months ago
Lattice Histograms: a Resilient Synopsis Structure
Despite the surge of interest in data reduction techniques over the past years, no method has been proposed to date that can always achieve approximation quality preferable to that...
Panagiotis Karras, Nikos Mamoulis
VLDB
2004
ACM
101views Database» more  VLDB 2004»
14 years 1 months ago
Taming XPath Queries by Minimizing Wildcard Steps
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
Chee Yong Chan, Wenfei Fan, Yiming Zeng