92 search results - page 6 / 19 » Spatial Join Selectivity Using Power Laws |
DASFAA
2006
IEEE
13 years 11 months ago
2006
IEEE
Sensor networks are multi-hop wireless networks of resource constrained sensor nodes used to realize high-level collaborative sensing tasks. To query and access data generated and ...
GEOINFO
2003
13 years 8 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
SSPR
2004
Springer
14 years 25 days ago
2004
Springer
We focus on characterizing spatial region data when distinct classes of structural patterns are present. We propose a novel statistical approach based on a supervised framework for...
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
– In this paper, two novel algorithms are presented that simultaneously perform bit allocation and antenna subset selection for multicarrier spatial diversity transceivers. The g...
TWC
2010
13 years 2 months ago
2010
User cooperation, whereby multiple users share their antennas and transmit to a common destination in a collaborative manner, has been shown to be an effective way to achieve spat...