Message Sequence Charts (MSCs) is a notation used in practice by protocol designers and system engineers. It is defined within an international standard (ITU Z120), and is also i...
This paper presents an integrated process model of use-case driven analysis and task analysis for developing interactive systems. In the process model, an analysis model is develo...
This paper describes MATA (Modeling Aspects Using a Transformation Approach), a UML aspect-oriented modeling tool that uses graph transformations to specify and compose aspects. Gr...
Business processes can be described with diagrams, e.g. BPMN diagrams, or as text. Use cases are a text-based notation. They are semiformal: a business process is expressed as a s...
Jerzy R. Nawrocki, Tomasz Nedza, Miroslaw Ochodek,...
In this paper, we propose a vector quantization (VQ) -based information hiding scheme that cluster the VQ codeowrds according the codewords' relation on Voronoi Diagram (VD). ...