285 search results - page 34 / 57 » A New Heuristic for Optimizing Large Queries |
DMIN
2008
13 years 9 months ago
2008
The knowledge discovery process encounters the difficulties to analyze large amount of data. Indeed, some theoretical problems related to high dimensional spaces then appear and de...
EDBT
2011
ACM
12 years 11 months ago
2011
ACM
Data integration systems offer users a uniform interface to a set of data sources. Previous work has typically assumed that the data sources are independent of each other; however...
IDEAS
2008
IEEE
14 years 1 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
GECCO
2008
Springer
13 years 8 months ago
2008
Springer
In this paper an island model is described for the unconstrained Binary Quadratic Problem (BQP), which can be used with up to 2500 binary variables. Our island model uses a master...
TCBB
2008
13 years 7 months ago
2008
Reconstruction of phylogenetic trees is a fundamental problem in computational biology. While excellent heuristic methods are available for many variants of this problem, new adva...