9414 search results - page 11 / 1883 » Adaptive Query Processing |
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
Processing data streams with Quality-ofService (QoS) guarantees is an emerging area in existing streaming applications. Although it is possible to negotiate the result quality and...
EUROPAR
2004
Springer
14 years 1 months ago
2004
Springer
OLAP queries are typically heavy-weight and ad-hoc thus requiring high storage capacity and processing power. In this paper, we address this problem using a database cluster which...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
In recent years, the sketch-based technique has been presented as an effective method for counting stream items on processors with limited storage and processing capabilities, such...
DEBU
2000
13 years 7 months ago
2000
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
DEXAW
2005
IEEE
14 years 1 months ago
2005
IEEE
Increasing popularity of XML and P2P networks has generated much interest in distributed processing of XML data. We propose a novel solution organized around a mediator capable of...