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Goal is a widely used concept in requirements engineering methods. Several kinds of goals, such as achievement, maintenance and soft goals, have been defined in these methods. These methods also define heuristics for the identification of organizational goals that drive the requirements process. In this paper we propose a set of principles that explain the(More)
Enterprise architects seek to align enterprise processes and structure with their supporting IT systems so that enterprises can flourish in their environment. The enterprise architecture (EA) discipline has emerged from business best practices. EA frameworks are therefore mostly informal. As a result there is a lack of EA tools that can help enterprise(More)
Creativity is about bringing unforeseen change to habitual ways of doing things. Understanding the challenges of introducing innovation in organizations is, therefore, essential during the requirements phase of today's computer systems design projects. However, there are many legitimate obstacles to creativity. To explain some of them, we explore creativity(More)
This paper outlines the main benefits of using Internet technologies for the remote monitoring of railway equipment. We present two prototypes of a remote monitoring tool for railway equipment. The first has a 2-tier architecture and is based on Java technology and Java RMI as a communication protocol. The second has a 3-tier architecture and is based on(More)
To align an IT system with an organization's needs, it is necessary to understand the organization's position within its environment as well as its internal configuration. In SEAM for Enterprise Architecture the organization is considered as a hierarchy of systems that span from business down to IT. The alignment process addresses the complete hierarchy. We(More)
Enterprise architecture is an approach to aligning business and IT within a company. In this paper we present the state of the art in enterprise architecture (EA) research, our survey is based on an analysis of the publicly available publications. Our research methodology defines the analysis criteria. These criteria are: the distribution of the papers over(More)