907 search results - page 127 / 182 » Efficient Optimization of Iterative Queries |
ICDE
2002
IEEE
14 years 10 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
ICDE
1998
IEEE
14 years 10 months ago
1998
IEEE
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
In the rank join problem we are given a relational join R1 1 R2 and a function that assigns numeric scores to the join tuples, and the goal is to return the tuples with the highes...
SIGMOD
2004
ACM
14 years 9 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
MICRO
2008
IEEE
13 years 9 months ago
2008
IEEE
Dynamically tracking the flow of data within a microprocessor creates many new opportunities to detect and track malicious or erroneous behavior, but these schemes all rely on the...