The goal of the paper is to explicate some common formal logic underlying various notational systems used in visual modeling. The idea is to treat the notational diversity as the d...
Zinovy Diskin, Boris Kadish, Frank Piessens, Micha...
Abstract. Concept lattices are used in formal concept analysis to represent data conceptually so that the original data are still recognizable. Their line diagrams should re ect th...
We present Tiger, a visual environment to design visual language (VL) specifications based on meta models, graph grammars and layout definitions. A VL specification serves as ba...
— The paper proposes a more formalized definition of UML 2.0 Activity Diagram semantics. A subset of activity diagram constructs relevant for business process modeling is conside...
Constraint diagrams were introduced by Kent, in 1997, as an alternative to the OCL for placing formal constraints on software models. Since their introduction, constraint diagrams...