31 search results - page 1 / 7 » Error minimization in approximate range aggregates |
DKE
2007
13 years 4 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
DOLAP
2005
ACM
13 years 6 months ago
2005
ACM
A novel framework for providing probabilistically-bounded approximate answers to non-holistic aggregate range queries in OLAP is presented in this paper. Such a framework allows u...
IS
2006
13 years 4 months ago
2006
In-network data aggregation has been recently proposed as an effective means to reduce the number of messages exchanged in wireless sensor networks. Nodes of the network form an a...
WINET
2010
13 years 2 months ago
2010
In this paper we consider how to collect data from sensors deployed in the Euclidean plane in a timeefficient way. We assume that all sensors could adjust their transmission range...
SIGMOD
2001
ACM
14 years 4 months ago
2001
ACM
The ability to approximately answer aggregation queries accurately and efficiently is of great benefit for decision support and data mining tools. In contrast to previous sampling...