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See detaile3-service: an ontology for needs-driven real-world service bundling in a multi-supplier setting
De Kinderen, Sybren UL; de Leenheer, Pieter; Gordijn, Jaap et al

in Applied Ontology (in press)

Businesses increasingly offer their services electronically via the Web. Take for example an Internet Service Provider. An ISP offers a variety of services, including raw bandwidth, IP connectivity, and ... [more ▼]

Businesses increasingly offer their services electronically via the Web. Take for example an Internet Service Provider. An ISP offers a variety of services, including raw bandwidth, IP connectivity, and Domain Name resolution. Although in some cases a single service already satisfies a customer need, in many situations a customer need is so complex that a bundle of services is needed to satisfy the need, as with the ISP example. In principle, each service in a bundle can be provisioned by a different supplier. This paper proposes an ontology, e3service , that can be used to formally capture customer needs, services, and multisupplier service bundles of these. In addition, this paper contributes a process called PCM2 to reason with the ontology. First, a customer need is identified for which desired consequences are elicited. Then, the desired set of consequences is matched with consequences associated with services. The matching process results in a service bundle, satisfying the customer need, containing services that each can be provided by different suppliers. PCM2 is inspired by a family of formal reasoning methods called Propose-Critique-Modify (PCM). However, whereas PCM methods emphasize solution generation from a given set of requirements, our reasoning process treats the space of requirements as a first class citizen. Hence PCM2 : the requirements space and solution space are equally important. How the reasoning and matching process practically works, is illustrated by an industry strength case study in the healthcare domain. [less ▲]

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See detailRequirements Engineering for the Design of Conceptual Modeling Languages - a goal- and value-oriented approach
De Kinderen, Sybren UL; Ma, Qin UL

in Applied Ontology (2015)

Conceptual modeling languages are purposeful artifacts, hence their design should also start from the purpose that they serve. Such purposeful design addresses the requirements engineering concern of a ... [more ▼]

Conceptual modeling languages are purposeful artifacts, hence their design should also start from the purpose that they serve. Such purposeful design addresses the requirements engineering concern of a language specification being aligned with the goals of its users. Thereby relevance of the language is ensured, instead of developing a language for language’s sake. We posit that this addresses some known issues that are due to a misalignment between a language’s specification and the goals of its intended users. In this paper, we introduce vGREL, a goal- and value-oriented approach for purposeful language development. vGREL helps language engineers to start the design of conceptual modeling languages with requirements engineering exercises. To this end vGREL provides (1) a purpose driven requirements engineering process for language design; (2) a value profile for the Goaloriented Requirements Language (GRL) to enable analysis and reasoning during the process and capture its results; and leverages (3) the software tool support of GRL for decision making during language design. To illustrate vGREL, we apply it to a case study on responsibility-based access rights management. Furthermore, we present reflections on vGREL from the language engineer involved in the case study. [less ▲]

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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 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 detailThe impact of cultural differences on enterprise architecture effectiveness: a case study
Faller, Hella; De Kinderen, Sybren UL

in 8th MCIS conference, Verona, Italy, 3-5 september 2014 (2014)

We study how differences between organizational subcultures influence the effectiveness of the Enter-prise Architecture (EA) function for steering the enterprise. In this paper, we contribute findings ... [more ▼]

We study how differences between organizational subcultures influence the effectiveness of the Enter-prise Architecture (EA) function for steering the enterprise. In this paper, we contribute findings from a case study in a governmental organization. We derive seven propositions concerning the relation between cultural differences and EA effectiveness. For one, we suggest that cultural differences among the architects have a negative impact on the architects’ communication towards the management. In addition, our data suggest that the influence of cultural differences is indirect: communication defects and disagreement within the architecture board act as important intermediary factors. [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 Systems 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 detailTowards An Analysis Driven Approach for Adapting Enterprise Architecture Languages
De Kinderen, Sybren UL; Ma, Qin UL

in 6th international EMISA workshop, Luxembourg-ville, 25 to 26 september 2014 (2014)

Enterprise Architecture (EA) modeling languages are increasingly used for various enterprise wide analyses. In most cases one needs to adapt EA languages to an appropriate level of detail. However such an ... [more ▼]

Enterprise Architecture (EA) modeling languages are increasingly used for various enterprise wide analyses. In most cases one needs to adapt EA languages to an appropriate level of detail. However such an adaptation is not straightforward. Language engineers currently deal with analysis driven language adaptation in an ad-hoc manner, adapting languages from scratch. This introduces various problems, such as a tendency to add uninteresting and/or unnecessary details to languages, while important enterprise details are not documented. Moreover, adding detail increases the complexity of languages, which in turn inhibits a language's communication capabilities. Yet experience from practice shows that architects often are communicators, next to analysts. As a result, one needs to find a balance between a model's communication and analysis capabilities. In this position paper we argue for an approach for assisting language engineers in adapting, in a controlled manner, EA languages for model-driven enterprise analyses. Furthermore, we present the key ingredients of such an approach, and use these as a starting point for a research outlook. [less ▲]

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