This paper addresses the conceptual modeling of a person’s daily activities, i.e. units of purposeful individual behavior. An integrated set of such models is intended to be used as a knowledge base for supporting that person by an intelligent system when he/she requires so. The work is part of the HBMS project, a research project in the field of Ambient Assisted Living: HBMS aims at supporting...

This paper explores the opportunities and challenges for Conceptual Modeling in the domain of Virtual Reality (VR). VR applications are becoming more feasible due to better and faster hardware, and due to new technology and faster network connections they also start to appear on the Internet. However, the development of such applications is still a specialized, time-consuming and expensive proc...

Today, XML is primarily regarded as a syntax for exchanging structured data, and therefore the question of how to develop well-designed XML models has not been studied extensively. As applications are increasingly penetrated by XML technologies, and because query and programming languages provide native XML support, it would be beneficial to use these features to work with well-designed XML mod...

Focused views on entities of interest – concrete or abstract ones – are often represented by texts, images, speech or other media. Such media views are communicated through visual or audio channels and stored persistently in appropriate containers. In this paper we extend a computational content-container model into a closely coupled content-concept model intended to capture more of the meaning...

In the last years, several modeling techniques for hypermedia systems have been developed, which extend known domain modeling techniques from the database and software engineering field with dedicated constructs for specifying possibilities of navigation. The focus of these frameworks is on providing front ends to loosely structured collections of multimedia data. In our virtual classroom proje...

This paper presents an object-oriented modeling approach for specifying and analyzing information systems. It supports integrated modeling of the structural aspect and the behavioral aspect of objects, and allows formal analysis of the model properties. For modeling of time/temporal constraints between object activities, the formalism includes a representation of temporal knowledge such as the ...

The success of contemporary organizations depends on their ability to make appropriate decisions. Making appropriate decisions is inevitably bound to the availability and provision of relevant information. Information systems should be able to provide information in an efficient way. Thus, within information systems development a detailed analysis of information supply and information demands h...

After more than thirty years of its first introduction, conceptual modeling remains an important research field, which has been recently addressed by the literature on semantic interoperability in its various forms (model integration, service interoperability, knowledge harmonization, taxonomy alignment), domain engineering and the creation of conceptual models through Natural Language Processi...

The eXtensible Markup Language XML is increasingly nd ing acceptance as a standard for storing and exchanging structured and semi structured information With its expressive power XML enables a great variety of applications relying on such structures notably prod uct catalogs digital libraries and electronic data interchange EDI As the data schema an XML Document Type De nition DTD is a means by...

Conceptual modeling is supporting understanding and communication of the requirements in developing the information system (IS). The nature of requirements is usually divided into the functional (FRs) and non-functional requirements (NFRs). Thus, the scholars who are representing the conceptual modeling separate FRs and NFRs. Attempting to create an integrated framework for conceptual modeling ...