References of "Plataniotis, Georgios"
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See detailTraceability and Modeling of Requirements in Enterprise Architecture from a Design Rationale Perspective
Plataniotis, Georgios; De Kinderen, Sybren UL; Ma, Qin UL et al

in Ninth IEEE conference on Research Challenges in Information Systems (RCIS 2015), Athens, May 13-15, 2015 (2015)

Our work aims to rationalize Enterprise Architectures (EA) by providing the reasoning behind the designs, in terms of selection criteria, design alternatives and more. Its major contribution is a formal ... [more ▼]

Our work aims to rationalize Enterprise Architectures (EA) by providing the reasoning behind the designs, in terms of selection criteria, design alternatives and more. Its major contribution is a formal metamodel that captures the reasoning and the inter-relationships of design decisions. This paper extends our approach in order to provide an explicit bridging between the Problem space that is defined by the different requirements and the Solution space that is described by specific design decisions. In doing so, EA Anamnesis also supports traceability from specific design decisions to the given requirements. [less ▲]

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See detailA Conceptual Model for Compliance Checking Support of Enterprise Architecture Decisions
Plataniotis, Georgios; De Kinderen, Sybren UL; Ma, Qin UL et al

in Proceedings of the 17th IEEE Conference on Business Informatics, Lisbon Portugal, July 13-16, 2015, Volume 1 (2015)

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See detailCapturing Design Rationales in Enterprise Architecture: A Case Study
Plataniotis, Georgios; De Kinderen, Sybren UL; Proper, Henderik

in 7th IFIP WG 8.1 Working Conference, PoEM 2014, Manchester, UK, November 12-13 (2014, November 12)

We aim for rationalizing Enterprise Architecture, supplementing models that express EA designs with models that express the decision making behind the designs. In our previous work we introduced the EA ... [more ▼]

We aim for rationalizing Enterprise Architecture, supplementing models that express EA designs with models that express the decision making behind the designs. In our previous work we introduced the EA Anamnesis approach for architectural rationalization, and illustrated it with a fictitious case study. In this paper we evaluate our approach in terms of its ability to capture design rationales in the context of a real life case study. Together with stakeholders from the business and IT domains of a Luxembourgish Research and Technology Organization, we captured the design rationales behind the introduction of a new budget forecast business process. Our case study shows that EA Anamnesis can reflect the design rationales of the stakeholders, also linking business and IT concerns. Furthermore our study shows that, for this particular case, the stakeholders often used heuristics (commonsensical “short cuts”) to make their decision, or even made decisions without considering alternative choices. Finally, we discuss what the lessons learned from this case imply for further research. [less ▲]

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See detailEA anamnesis An Approach for Decision Making Analysis in Enterprise Architecture
Plataniotis, Georgios; De Kinderen, Sybren UL; Proper, Hendrik A.

in International Journal of Information System Modeling and Design (2014), 4(1),

Enterprise Architecture (EA) modeling languages can express the business-to-IT-stack for an organization, showing how changes in the IT landscape impact business aspects and vice versa. Yet EA languages ... [more ▼]

Enterprise Architecture (EA) modeling languages can express the business-to-IT-stack for an organization, showing how changes in the IT landscape impact business aspects and vice versa. Yet EA languages provide only the final architectural design, not the rationale behind this design. In earlier work, we presented the EA Anamnesis approach for EA rationalization. We discussed how EA Anamnesis forms a complement to current EA modeling languages, showing for example design alternatives, EA artifact selection criteria and the decision making strategy that was used. In this paper, we extend EA Anamnesis with a capability for organizational learning. In particular, we present an integration of two viewpoints presented in earlier work: (1) an ex-ante decision making viewpoint for rationalizing EA during decision making, which for example captures a decision and its anticipated consequences, and (2) an ex-post decision making viewpoint, which for example captures the unanticipated decision consequences, and possible adjustments in criteria. We use a fictitious, yet realistic, case study to illustrate our approach. [less ▲]

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See detailImplementing a Software Prototype for Enterprise Architecture Rationalization: Lessons Learned
Plataniotis, Georgios; De Kinderen, Sybren UL; Proper, Henderik A.

in 9th workshop on Trends in Enterprise Architecture (TEAR 2014), Ulm 1-2 september 2014 (2014)

Enterprise Architecture (EA) modeling languages describe an enterprise architecture holistically. Therefore, they show an enterprises business products and services, and how these are realized by IT ... [more ▼]

Enterprise Architecture (EA) modeling languages describe an enterprise architecture holistically. Therefore, they show an enterprises business products and services, and how these are realized by IT infrastructure and applications. However, EA modeling languages lack the capability of capturing rationalization information behind these models in terms of selection criteria, alternatives etc. Our earlier work proposes the EA Anamnesis approach for enterprise architecture rationalization. Its major contribution is a formal metamodel and a corresponding concrete syntax to interrelate business and IT decisions and in turn complement EA models with design rationale information. Yet, up to now the EA Anamnesis approach lacks software tool support. In this paper we discuss the lessons learned during the implementation of our metamodel into a software prototype. Furthermore, we provide a reflection of our aim to develop a tool by rapid prototyping, whereby practitioner feedback enables concurrent maturation of the software tool and metamodel and the idea of presenting a tool to foster acceptance and practical uptake of EA Anamnesis [less ▲]

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See detailA computational approach for design rationalization in Enterprise Architecture
Plataniotis, Georgios; De Kinderen, Sybren UL; Proper, Henderik A.

in IEEE Eighth International Conference on Research Challenges in Information Science, Marrakesh May 28-30, 2014 (2014)

We aim for rationalizing Enterprise Architecture (EA) languages, showing not only final EA designs, but also the reasoning behind these designs (in terms of selection criteria, design alternatives, and ... [more ▼]

We aim for rationalizing Enterprise Architecture (EA) languages, showing not only final EA designs, but also the reasoning behind these designs (in terms of selection criteria, design alternatives, and more). Our earlier work proposes the EA Anamnesis approach for architectural rationalization. Its major contribution is a formal metamodel and a corresponding concrete syntax to interrelate business and IT decisions. Yet, up to now, EA Anamnesis lacks software tool support. As a response, this paper introduces a software tool for EA Anamnesis. In doing so, we contribute (1) a computational assessment for the EA Anamnesis metamodel and a corresponding visual syntax, showing its implementability, (2) a reflection of our aim to develop a tool by rapid prototyping, whereby practitioner feedback enables concurrent maturation of the software tool and metamodel, and (3) the idea of presenting a tool to foster acceptance and practical uptake of EA Anamnesis [less ▲]

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See detailFormalizing Enterprise Architecture Decision Models using Integrity Constraints
Van Zee, Marc UL; Plataniotis, Georgios; Marosin, Diana et al

in Unknown, Unknown (Ed.) Formalizing Enterprise Architecture Decision Models using Integrity Constraints (2014)

In creating an enterprise architecture (EA) several design decisions have to be made. The aim of this paper is to provide a logic-based formalism for capturing architectural design decisions in order to ... [more ▼]

In creating an enterprise architecture (EA) several design decisions have to be made. The aim of this paper is to provide a logic-based formalism for capturing architectural design decisions in order to make the rationalization of these decisions explicit as well as traceable. Our working hypothesis is that capturing of design knowledge in terms of a logic-based framework will enable consistency checks of the underlying rationales and advanced impact/what-if analysis when confronted with changes (e.g. decisions are changed, issues are solved). We formalize a set of integrity constraints, which allow guidance of decision capturing during model creation and provide means to perform consistency checks. We apply our formal framework to a practical case study from the insurance sector. [less ▲]

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