In this paper we describe a tools environment which automates the validation and maintenance of a requirements model written in many-sorted first order logic. We focus on: a trans...
In this paper we adopt a component model based on object-oriented systems, introducing the concepts of components and their structure. A component consists of a dynamically changi...
The latest ITU-T standard syntax of Message Sequence Charts (MSCs) 16] o ers several operators to compose MSCs in a hierarchical, iterating, and nondeterministic way. However, curr...
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
Although object-oriented programming techniques have evolved into an accepted technology with recognized benefits for software development, profound investigations of qualitative a...