304 search results - page 31 / 61 » Selectivity Estimation of Window Queries |
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Materializing results from complex aggregation queries helps to significantly improve response times in OLAP servers. This problem is known as the view selection problem: choosing ...
VLDB
1991
ACM
13 years 11 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
An ever increasing amount of valuable information is stored in Web databases, "hidden" behind search interfaces. To save the user's effort in manually exploring eac...
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
In this paper, we investigate a new approach to process queries in data stream applications. We show that reference locality characteristics of data streams could be exploited in ...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
With the total energy consumption of computing systems increasing in a steep rate, much attention has been paid to the design of energy-efficient computing systems and applications...