295 search results - page 13 / 59 » Tuning query performance in mobile sensor databases |
SSDBM
2009
IEEE
15 years 4 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...
RTCSA
2009
IEEE
15 years 4 months ago
2009
IEEE
—Mobile sensors are widely deployed in Wireless Sensor Networks (WSNs) to satisfy emerging application requirements. Specifically, processing location dependent queries in mobile...
WMCSA
2002
IEEE
15 years 2 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...
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GIS
2004
ACM
15 years 10 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...
IS
2007
14 years 9 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...