429 search results - page 77 / 86 » A SAT approach to query optimization in mediator systems |
BMCBI
2011
13 years 11 days ago
2011
Background: The Smith-Waterman algorithm for local sequence alignment is more sensitive than heuristic methods for database searching, but also more time-consuming. The fastest ap...
CORR
2011
Springer
13 years 3 months ago
2011
Springer
Index tuning, i.e., selecting the indexes appropriate for a workload, is a crucial problem in database system tuning. In this paper, we solve index tuning for large problem instan...
EDBT
2008
ACM
13 years 10 months ago
2008
ACM
Database software can be tailored for specific application domains and their required functionality, for specific hardware and its characteristics, or for other purposes. This bri...
CSSW
2007
13 years 10 months ago
2007
Abstract: Semantic wikis have been introduced for collaborative authoring of ontologies as well as for annotating wiki content with semantic meta data. In this paper, we introduce ...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Accurately and efficiently estimating the number of distinct values for some attribute(s) or sets of attributes in a data set is of critical importance to many database operation...