46 search results - page 9 / 10 » Estimating Reaction Plan Size |
TKDE
2008
13 years 5 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
2003
ACM
14 years 6 months ago
2003
ACM
Crawling the web is deceptively simple: the basic algorithm is (a) Fetch a page (b) Parse it to extract all linked URLs (c) For all the URLs not seen before, repeat (a)?(c). Howev...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
Join techniques deploying approximate match predicates are fundamental data cleaning operations. A variety of predicates have been utilized to quantify approximate match in such o...
ICC
2008
IEEE
14 years 6 days ago
2008
IEEE
— Rain, snow, gaseous, cloud, fog, scintillation and other atmospheric properties can have a distorting effect on signal fidelity of Ku and Ka bands, thus resulting in excessive ...