429 search results - page 9 / 86 » A SAT approach to query optimization in mediator systems |
CIKM
2010
Springer
13 years 6 months ago
2010
Springer
Schema merging is the process of consolidating multiple schemas into a unified view. The task becomes particularly challenging when the schemas are highly heterogeneous and autono...
DEXAW
1999
IEEE
14 years 27 days ago
1999
IEEE
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...
ICDE
2004
IEEE
14 years 10 months ago
2004
IEEE
Query optimization in data integration requires source coverage and overlap statistics. Gathering and storing the required statistics presents many challenges, not the least of wh...
CPAIOR
2010
Springer
13 years 6 months ago
2010
Springer
Finite domain propagation solving, the basis of constraint programming (CP) solvers, allows building very high-level models of problems, and using highly specific inference encapsu...
FQAS
2004
Springer
14 years 2 months ago
2004
Springer
One of the key issues in product catalogs is how to efficiently integrate and query large, intricate, heterogeneous catalogs. We propose a framework for building a dynamic catalog...