Dirk Witte

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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)
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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