Class algebra provides a natural framework for sharing of ISA hierarchies between users that may be unaware of each other's definitions. This permits data from relational dat...
Formalisms and axiomatic theories are designed to support reasoning, they are often intended with a preferred interpretation and a targeted ontology. Questions of proper interpret...
In this paper we present new efficient variants of structured preconditioners for algebraic linear systems arising from the mortar discretization of a degenerate parabolic system o...
In this paper, we present an overview of algebraic graph transformation in the double pushout approach. Basic results concerning independence, parallelism, concurrency, embedding, ...
The paper shows a logspace-reduction from the boolean circuit value problem which demonstrates that any relation subsuming bisimilarity and being subsumed by trace preorder (i.e.,...