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Enterprise Coherence with GEA – A 15 year Co-evolution of Practice and Theory

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The Practice of Enterprise Modeling (PoEM 2021)

Part of the book series: Lecture Notes in Business Information Processing ((LNBIP,volume 432))

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Abstract

GEA (General Enterprise Architecting) is an enterprise architecture method which has been developed and matured over the past 15 years. The GEA method has emerged out of needs from practice, and differs from other enterprise architecture approaches in that it has a strong focus on enterprise coherence and the explicit governance thereof. This focus followed from the observed need to move beyond the Business-IT alignment and ‘Business-to-IT’ stack thinking that is embodied in most of the existing enterprise architecture approaches.

In this paper, we reflect on the development of the GEA method (so-far), which involved a co-evolution between theory and practice. We then present the core elements of (the current version of) GEA, and illustrate these in terms of a real-world (social housing) case. Finally, we also discuss some of the lessons learned in applying GEA across different organizations.

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Notes

  1. 1.

    During different stages of the GEA research program, the following client organizations participated: ABN-AMRO Bank; ANWB; Achmea; Belastingdienst – Centrum voor ICT; ICTU; ING; Kappa Holding; Ministerie van Binnenlandse Zaken en Koninkrijksrelaties; Ministerie van Defensie; Ministerie van Justitie – Dienst Justitiële Inrichtingen; Ministerie van Landbouw, Natuur en Voedselkwaliteit – Dienst Regelingen; Nederlandse Spoorwegen; PGGM; Politie Nederland; Prorail; Provincie Flevoland; Rabobank; Rijkswaterstaat; UWV; Wehkamp.

  2. 2.

    https://www.groeiplatformgea.nl.

  3. 3.

    https://www.dekey.nl.

  4. 4.

    https://www.groeiplatformgea.nl/groeiplatform-gea/stichting/.

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Proper, H.A., Wagter, R., Bekel, J. (2021). Enterprise Coherence with GEA – A 15 year Co-evolution of Practice and Theory. In: Serral, E., Stirna, J., Ralyté, J., Grabis, J. (eds) The Practice of Enterprise Modeling. PoEM 2021. Lecture Notes in Business Information Processing, vol 432. Springer, Cham. https://doi.org/10.1007/978-3-030-91279-6_1

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