664 search results - page 115 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
IKE
2010
13 years 6 months ago
2010
: Over the years, DataWarehousing has gone through a number of evolutions from a relatively simple reporting database to sophisticated analytical applications such as analyzing cus...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
With the rise in popularity of digital cameras, the amount of visual data available on the web is growing exponentially. Some of these pictures are extremely beautiful and aesthet...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
IDEAS
2000
IEEE
14 years 25 days ago
2000
IEEE
Most operations of the relational algebra or SQL - like projection with duplicate elimination, join, ordering, group by and aggregations - are efficiently processed using a sorted...