118 search results - page 17 / 24 » Distance Oracles for Spatial Networks |
MDM
2010
Springer
14 years 1 months ago
2010
Springer
—Matching a raw GPS trajectory to roads on a digital map is often referred to as the Map Matching problem. However, the occurrence of the low-sampling-rate trajectories (e.g. one...
MOBICOM
2010
ACM
13 years 8 months ago
2010
ACM
Multi-User MIMO promises to increase the spectral efficiency of next generation wireless systems and is currently being incorporated in future industry standards. Although a signi...
GIS
2008
ACM
13 years 9 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
ICRA
2007
IEEE
14 years 2 months ago
2007
IEEE
— We introduce an algorithm which detects and traces a specified level set of a scalar field (a contour) on a plane. A network of static sensor nodes with limited communication...
MASCOTS
2010
13 years 7 months ago
2010
—We consider the problem of optimal cluster-based data gathering in Wireless Sensor Networks (WSNs) when nearby readings are spatially correlated. Due to the dense nature of WSNs...