: With the rapidly escalating costs, the EU and the US make the adoption and application of Information, Computer and Communication Technologies (ICCT) in healthcare (e-health) an ...
For memory constrained environments like embedded systems, optimization for program size is often as important, if not more important, as optimization for execution speed. Commonl...
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over relations that are stored in distributed heterogeneous databases. The selection of views for...
Spyros Ligoudistianos, Timos K. Sellis, Dimitri Th...
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
When two or more databases are combined into a global one, integrity may be violated even when each database is consistent with its own local integrity constraints. Efficient metho...