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Gil Regev

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Related publications (59)

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A systemic paradigm for early IT system requirements based on regulation principles

Gil Regev

IT system is a general term for all software based business applications used in enterprises. IT systems support the actions of an enterprise by processing information about the enterprise and its environment and by providing this information to the enterp ...

EPFL2003

A Modeling Framework for Analyzing the Viability of Service Systems

Alain Wegmann, Gil Regev, Arash Golnam

Recent research has explored the principles of service system viability based on systems inquiry invoking perspectives from Systems Theory and Cybernetics in particular Stafford Beer’s viable systems model (VSM). However based on Banathy & Jenlink (2004), ...

2011

Revisiting Goal-Oriented Requirements Engineering with a Regulation View

Alain Wegmann, Gil Regev

Goal-Oriented Requirements Engineering (GORE) is considered to be one of the main achievements that the Requirements Engineering field has produced since its inception. Several GORE methods were designed in the last twenty years in both research and indust ...

2012

From Goal-Achievement to the Maintenance of Relationships: Extending Business Process Models with Homeostasis and Appreciation

Gil Regev

We use homeostasis, the maintenance of steady states in an organism, to explain some of the decisions made by participants in a business process. We use Vickers’s Appreciative System to model the homeostatic states with Harel’s statecharts. We take the exa ...

CEUR Workshop Proceedings2018

Experiential learning approach for requirements engineering education

Alain Wegmann, Gil Regev

The use of requirements engineering (RE) in industry is hampered by a poor understanding of its practices and their benefits. Teaching RE at the university level is therefore an important endeavor. Shortly before students become engineers and enter the wor ...

Springer Verlag2009

Aligning Value and Implementation in Service Design: A Systemic Approach

Alain Wegmann, Gil Regev, Arash Golnam

The promise of service design is to enable a service supplier to prosper by delivering continuous value to customers. This prosperity is of strategic value to the service supplier. There is value in a service for both the service supplier and its service c ...

2012

A Systemic Approach for Designing Open Innovation Value Networks

Alain Wegmann, Gil Regev, Arash Golnam

The past two decades have seen a number of changes to the business and technological environment that have favored the rise of “open” collaborative innovation as alternative to the more traditional ”closed” models. The traditional view of innovation as a c ...

International Society for Professional Innovation Management2009

Teaching Enterprise and Service-Oriented Architecture in Practice

Alain Wegmann, Gil Regev, José Diego de la Cruz Garcia

Many companies expect their IT developers to understand their business strategy and to specify IT systems that will impact favorably the execution of their business strategy. Enterprise Architecture (EA) and Service-Oriented Architecture (SOA) address thes ...

2007

On Viable Service Systems: Developing a Modeling Framework for Analysis of Viability in Service Systems

Alain Wegmann, Gil Regev, Arash Golnam

This paper explores the contribution of systems modeling to the design and analysis of viability in service systems. We apply a modeling framework called SEAM (Systemic Enterprise Architecture Method) to gain an understanding of how a service system mainta ...

Springer2010

Declarative Specification and Alignment Verification of Services in ITIL

Alain Wegmann, Gil Regev

IT organizations that wish to implement the best practices recommended by the IT Infrastructure Library (ITIL) need to specify the level of service provided to their customers. The implemented service needs to comply with this specification. We propose a m ...

2008

Business/IT Alignment in Practice: Lessons Learned From a Requirements Project at P&G

Alain Wegmann, Julien Favre, Gil Regev

One of the main objectives of the alignment of Business and IT in both small and large organizations is to improve the chances for an IT department to provide services that result in business success. An essential phase for this alignment is the definition ...

Springer-Verlag New York, Ms Ingrid Cunningham, 175 Fifth Ave, New York, Ny 10010 Usa2011

Defining business process flexibility with the help of invariants

Alain Wegmann, Gil Regev

Enterprise survival is about maintaining an identity that is separate from other enterprises. We define flexibility as the ability to change without losing identity. The identity of an enterprise can be analyzed as a set of norms and beliefs about these no ...

2007

Early Requirements and Business-IT Alignment with SEAM for Business

Alain Wegmann, Gil Regev

The early requirements of an IT system should be aligned with the organization’s business imperatives. To understand these imperatives it is necessary to understand the organization’s position within its environment. SEAM for Business is a method designed ...

IEEE2007

Modelling the regulative role of business processes with use and misuse cases

Alain Wegmann, Gil Regev

Business processes contain value-added and abuse prevention activities. Most modelling techniques do not provide a rationale for abuse prevention activities. Such a rationale is needed when redesigning business processes. In this paper we propose to consid ...

2005

Using Enterprise Models to Explain and Discuss Autopoiesis and Homeostasis in Socio-technical Systems

Gil Regev

The article links two seemingly different fundamental theoretical concepts of autopoiesis and homeostasis and tries to apply them to the realm of socio-technical systems with the use of the Fractal Enterprise Model (FEM). Autopoiesis is the property of a s ...

2020

Regulation Based Linking of Strategic Goals and Business Processes

Alain Wegmann, Gil Regev

To be able to make changes to a business process, it is necessary to understand how the process supports the strategic goals of the business and how changes to the goals may impact the process and vice versa. This paper explains the relations between strat ...

2002

Specifying Services for ITIL Service Management

François Maréchal, Alain Wegmann, Gil Regev

The Information Technology Infrastructure Library (ITIL) is a collection of best practices for the management of IT services. ITIL helps organizations to become aware of the business value their IT services provide to internal and external stakeholders. Un ...

2008

SLA: to Sign or Not to Sign

Alain Wegmann, Gil Regev, Gorica Tapandjieva Sekulovska

We present our experience of a three-week fieldwork in the form of a contextual inquiry with a service manager at the EPFL IT department. During these three weeks, we encounter a refusal of a user committee to sign a service-level agreement (SLA). We descr ...

CEUR Workshop Proceedings2016

Augmenting the Zachman Enterprise Architecture Framework with a Systemic Conceptualization

Alain Wegmann, Gil Regev

The Zachman Framework offers a classification of the models created in an enterprise architecture project. These models form a holistic representation of the organization. Despite the prominent position of the Framework, there is little information publicl ...

IEEE2008

Business Process Flexibility through the Exploration of Stimuli

Alain Wegmann, Gil Regev

For organizations to survive and flourish in a changing environment, their business processes need to be flexible. Ashby’s law of requisite variety applied to business processes postulates that a robust process needs to exhibit as much variety in its respo ...

2008