805 search results - page 63 / 161 » Spatial queries in sensor networks |
IPSN
2003
Springer
14 years 2 months ago
2003
Springer
This paper is concerned with coordinated delivery of messages in sensor networks. The notion of multicast is re-examined in light of a new set of requirements that are specific t...
NETWORK
2006
13 years 8 months ago
2006
Wireless sensor networks are built upon a shared medium that makes it easy for adversaries to conduct radio interference, or jamming, attacks that effectively cause a denial of se...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
DCOSS
2007
Springer
14 years 26 days ago
2007
Springer
Sensor networks are often used to sense the physical world and provide observations for various uses. In hostile environments, it is critical to control the network access to ensur...
GIS
2006
ACM
14 years 10 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...