VLDB
1995
ACM
13 years 8 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...
DASFAA
2006
IEEE
13 years 10 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...
DAWAK
2007
Springer
13 years 10 months ago
2007
Springer
We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...
IDEAS
2008
IEEE
13 years 11 months ago
2008
IEEE
Peer-to-peer database systems (P2PDBs) aim at providing database services with node autonomy, high availability and loose coupling between participating nodes by building the DBMS...
EDBT
2008
ACM
14 years 4 months ago
2008
ACM
Abstract. Monitoring aggregates on IP traffic data streams is a compelling application for data stream management systems. Often, such streaming aggregation queries involve joining...
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...
ICDE
2001
IEEE
14 years 6 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
ICDE
2004
IEEE
14 years 6 months ago
2004
IEEE
