99 search results - page 4 / 20 » Approximate Aggregation Techniques for Sensor Databases |
SIGMOD
2010
ACM
13 years 6 months ago
2010
ACM
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
TISSEC
2008
13 years 5 months ago
2008
Hop-by-hop data aggregation is a very important technique for reducing the communication overhead and energy expenditure of sensor nodes during the process of data collection in a...
PODS
2008
ACM
14 years 5 months ago
2008
ACM
Processing large data streams is now a major topic in data management. The data involved can be truly massive, and the required analyses complex. In a stream of sequential events ...
SIGMOD
1999
ACM
13 years 10 months ago
1999
ACM
Computing multidimensional aggregates in high dimensions is a performance bottleneck for many OLAP applications. Obtaining the exact answer to an aggregation query can be prohibit...
SIGMOD
2003
ACM
14 years 5 months ago
2003
ACM
In decision support applications, the ability to provide fast approximate answers to aggregation queries is desirable. One commonly-used technique for approximate query answering ...