Index is an important element in databases, and the existence of index is unavoidable. When an index has been built on a particular attribute, database operations (e.g. selection,...
Abstract. We present three results on divisibility monoids. These divisibility monoids were introduced in [11] as an algebraic generalization of Mazurkiewicz trace monoids. (1) We ...
The “Object Constraint Language” (OCL) offers a formal notation for constraining model elements in UML diagrams. OCL consists of a navigational expression language which, for ...
Rolf Hennicker, Hubert Baumeister, Alexander Knapp...
New applications have been introduced to the today’s “best-effort” IP networks having different bandwidth and delay guarantee requirements. The IETF is currently focused on D...
Eugenia G. Nikolouzou, Petros Sampatakos, Iakovos ...