494 search results - page 52 / 99 » Approximate continuous querying over distributed streams |
TKDE
2008
13 years 9 months ago
2008
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...
WWW
2010
ACM
14 years 3 months ago
2010
ACM
Typical approaches for querying structured Web Data collect (crawl) and pre-process (index) large amounts of data in a central data repository before allowing for query answering....
SIGMOD
1994
ACM
14 years 1 months ago
1994
ACM
In this paper, we propose a novel approach for estimating the record selectivities of database queries. The real attribute value distribution is adaptively approximated by a curve...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Self-managing solutions have recently attracted a lot of interest from the database community. The need for self-* properties is more evident in distributed applications comprising...
SIGMOD
2005
ACM
14 years 9 months ago
2005
ACM
The recent advances in hardware and software have enabled the capture of different measurements of data in a wide range of fields. These measurements are generated continuously an...