1846 search results - page 50 / 370 » Generating query substitutions |
ALGORITHMICA
1998
13 years 7 months ago
1998
In this paper we give a fully dynamic approximation scheme for maintaining all-pairs shortest paths in planar networks. Given an error parameter ε such that 0 < ε, our algorit...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
One of the most challenging aspects of managing a very large data warehouse is identifying how queries will behave before they start executing. Yet knowing their performance charac...
SSD
2007
Springer
14 years 1 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
ICST
2010
IEEE
13 years 6 months ago
2010
IEEE
—Model-based testing is a well known technique that allows one to validate the correctness of software with respect to its model. If a lot of data is involved, symbolic technique...
SIGMOD
2009
ACM
14 years 7 months ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...