Ontologies play an indispensable role in the Semantic Web by specifying the definitions of concepts and individual objects. However, most of the existing methods for constructing o...
This article describes an ontological model of norms. The basic assumption is that a substantial part of a legal system is grounded on the concept of agency. Since a legal system a...
Despite the relevance of the concept of role for conceptual modeling and agent-orientation, there is still in the literature a lack of consensus on the meaning of this notion and h...
Despite its origins in software modeling, there has been growing interest in using the Unified Modeling Language (UML) for conceptual modeling of application domains. However, the...
Abstract. One of the key factors for effective personalization of information access is the user context. We propose a framework which integrates several critical elements that mak...