Dirk Witte

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In this paper, the authors discuss an instrument for the assessment of enterprise coherence (Enterprise Coherence Assessment, ECA). The term 'coher-ence' is used rather than the more common term 'alignment', since the latter is generally associated with bringing two concepts in line (typically 'Business' and 'IT'). The word coherence, however, stresses the(More)
The Enterprise Coherence-governance Assessment (ECA) instrument is a part of the GEA (General Enterprise Architecting) method for enterprise architecture. Based on experiences with this assessment instrument in a range of real world projects, the ECA has been improved, leading to the extended Enterprise Coherence-governance Assessment (eECA). So far, the(More)
This paper is concerned with a real world case study in Business/IT alignment at the strategic level. The case study is situated in the Dutch public sector, involving the Ministry of Social Affairs and Employment (SAE). In this case study, the GEA (Generic Enterprise Architecting) method was used. This paper will therefore take the GEA method as a given.(More)
In this paper we are not so much concerned with enterprise architecture as a product or process, but rather with the competencies of the professionals who are responsible for the creation of an enterprise architecture, i.e. the enterprise architects themselves. We present the integrated result of three surveys held in the Netherlands, on the competencies(More)
This paper is concerned with an application of the GEA (General Enterprise Architecting) method in the Dutch public sector, in particular at the Custodial Institutions Agency (Dienst Justitieële Inrichtingen, DJI), an agency of the Ministry of Security and Justice. The DJI is, on behalf of the Minister of Security and Justice, responsible for the(More)
This paper is concerned with an application of the GEA (General Enterprise Architecting) method at the Dutch Ministry of Social Affairs and Employment (SAE). It concerns the introduction of a new system for the digitization of the dossier flow within the Ministry. The introduction of this system was triggered by a decision from the Dutch government to(More)
This paper is concerned with the research methodology that was used in the GEA (General Enterprise Architecting) research programme. The goal of this programme was the development of a new approach for doing enterprise architecture. We discuss the motivations for starting the GEA programme, its focus, as well as its objectives. Based on this, the research(More)
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