808 search results - page 4 / 162 » On the Estimation of Join Result Sizes |
FSTTCS
2005
Springer
13 years 11 months ago
2005
Springer
We present novel algorithms for estimating the size of the natural join of two data streams that have efficient update processing times and provide excellent quality of estimates....
EDBT
2004
ACM
14 years 5 months ago
2004
ACM
There is a growing interest in on-line algorithms for analyzing and querying data streams, that examine each stream element only once and have at their disposal, only a limited amo...
IWSM
2007
Springer
13 years 12 months ago
2007
Springer
This paper reports on initial findings in an empirical study carried out with representatives of two ERP vendors, six ERP adopting organizations, four ERP implementation consulting...
FOCS
2008
IEEE
14 years 7 days ago
2008
IEEE
Relational joins are at the core of relational algebra, which in turn is the core of the standard database query language SQL. As their evaluation is expensive and very often domi...
SSD
2001
Springer
13 years 10 months ago
2001
Springer
Spatial joins are fundamental in spatial databases. Over the last decade, the primary focus of research has been on joins with the predicate “region intersection.” In modern da...