129 search results - page 26 / 26 » Aggregate Threshold Queries in Sensor Networks |
MOBISYS
2010
ACM
13 years 7 months ago
2010
ACM
Urban street-parking availability statistics are challenging to obtain in real-time but would greatly benefit society by reducing traffic congestion. In this paper we present the ...
ICDE
2005
IEEE
14 years 6 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
In today's Internet applications or sensor networks we often encounter large amounts of data spread over many physically distributed nodes. The sheer volume of the data and ba...
ESA
2010
Springer
13 years 5 months ago
2010
Springer
We study the problem of estimating the average of a Lipschitz continuous function f defined over a metric space, by querying f at only a single point. More specifically, we explore...