303 search results - page 1 / 61 » Supporting spatial aggregation in sensor network databases |
GIS
2004
ACM
14 years 6 months ago
2004
ACM
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
This demo presents a privacy-preserving aggregate location monitoring system, namely, TinyCasper, in which we can monitor moving objects in wireless sensor networks while preservi...
WMCSA
2002
IEEE
13 years 10 months ago
2002
IEEE
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
ICDE
2008
IEEE
14 years 6 months ago
2008
IEEE
In this paper we discuss a robust aggregation framework that can detect spurious measurements and refrain from incorporating them in the computed aggregate values. Our framework ca...
DASFAA
2006
IEEE
13 years 11 months ago
2006
IEEE
Abstract. To process aggregation queries issued through different sensors as access points in sensor networks, existing algorithms handle queries independently and perform in-netw...