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CIKM
2011
Springer
12 years 9 months ago
2011
Springer
A fundamental problem related to RDF query processing is selectivity estimation, which is crucial to query optimization for determining a join order of RDF triple patterns. In thi...
WSDM
2012
ACM
12 years 4 months ago
2012
ACM
The phenomenal growth in the volume of easily accessible information via various web-based services has made it essential for service providers to provide users with personalized ...
CVPR
2009
IEEE
15 years 4 months ago
2009
IEEE
This article presents a general approach for the active
stereo tracking of multiple moving targets. The problem is
formulated on the plane, where cameras are modeled as
”line ...
GIS
2005
ACM
14 years 10 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
CHI
2004
ACM
14 years 9 months ago
2004
ACM
Many studies have been conducted on supporting communication in home and office spaces, but relatively few studies have explored supporting communication in large-scale public spa...