A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
CAFE ("Conditional Access for Europe") is an ongoing project in the European Community's ESPRIT program. The goal of CAFE is to develop innovative systems for condit...
Jean-Paul Boly, Antoon Bosselaers, Ronald Cramer, ...
Logic and databases have gone a long way together since the advent of relational databases. Already the rst basic query languages for relational databases beside relational algebra...
The exact knowledge of the heat flow in heterojunction bipolar transistors (HBT) during power operation is an important key factor for the systematic improvement of power density,...
strokes makes it particularly attractive in terms of storage size and transmission efficiency. Its efficient implementation is favourable for incorporation into windowing systems a...