A requirements analysis step plays a significant role on the development of information systems, and in this step we various kinds of abstract models of the systems (called requir...
Abstract. In this paper, we extend Simple Conceptual Graphs with Reiter’s default rules. The motivation for this extension came from the type of reasonings involved in an agronom...
Abstract. This paper deals with knowledge-based computer aided design. A novel method giving additional support for conceptual design is presented. In this method, a designer firs...
We argue for that taking into account semantic relations between words in the text can improve information retrieval performance. We implemented the process of information retrieva...
Users need to be strongly involved in the specification process of network information systems. Characteristics of user-driven specification are described, and process composition ...