Publications by Gil Regev | EPFL Graph Search

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

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

Problem structuring to enable innovation in business/IT projects

Alain Wegmann, Gil Regev, Tatiana Porté

In this paper, we present a problem structuring method in business and IT analysis illustrated with an example. The project describes an IT consulting case done for a Swiss medical society faced with a problem of change management and digital transformatio ...

LUT Scientific and Expertise Publications2020

Requirements Elicitation with a Service Canvas for Packaged Enterprise Systems

Alain Wegmann, Gil Regev, Blagovesta Hristova Kostova, Lucien Alexandre Etzlinger

We present a technique for eliciting requirements based on the use of a service canvas and the results of its application in the early phase of a customer relationship management integration project. The project was a collaboration between a research group ...

IEEE2019

Extending Business Process Models with Appreciation

Alain Wegmann, Gil Regev, Irina Rychkova

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’ Appreciative System to model the homeostatic states with Harel’s statecharts. We take the exam ...

2019

Comparison of Two Value-Modeling Methods: e3 value and SEAM

Alain Wegmann, Gil Regev, Blagovesta Hristova Kostova

In the last few decades, several value-modeling methods have emerged in requirements engineering for IS research. We compare two value-modeling methods, e3value and SEAM. We illustrate their use with an example of the exchange of the Intellectual Property ...

IEEE2019

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

Gil Regev, Irina Rychkova

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

Beyond Activities: Business Process Models from a Knowledge Management Perspective

Gil Regev

When conducting workshops with business people, there is a significant risk to become bogged down in the details of the underlying business process rather than seeing the big picture of the value provided by the process to its stakeholders. In this paper, ...

2017

Expanding Requirements Through Observation: An Experience Report

Alain Wegmann, Gil Regev, Nina Desnica

In this paper, we describe our use of ethnographic techniques for identifying requirements for a web-based system for automatic updates and data exchange in a financial investment company. During a six-month long internship, we observed stakeholders in the ...

2017

Introducing Ethnography to IS Practitioners with Experiential Pedagogy

Alain Wegmann, Gil Regev

In this paper we describe a long-term effort to raise the awareness of IT practitioners in the Swiss French region to the value of ethnographic observation techniques for requirements elicitation. This effort brought together academia and industry. Several ...

2016

What Have We Unlearned Since the Early Days of the Process Movement?

Alain Wegmann, Gil Regev

The vision brought forth by Michael Hammer in the late 1980s was to save struggling American companies by getting them to focus on the creation of value for clients by reorganizing their operations and structure around the use of IT systems. This was the B ...

Springer2016

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

Teaching an Ethnographic Approach to Requirements Elicitation in an Enterprise Architecture Course

Alain Wegmann, Gil Regev, Julie Lang

Requirements elicitation is an important part of information systems development. It is often performed as a technical task, but from a close look it is mainly a social activity. The main work consists of interacting with stake-holders in order to understa ...

CEUR Workshop Proceedings2015

What We Can Learn about Business Modeling from Homeostasis

Alain Wegmann, Gil Regev

Business modeling methods most often model an organization’s value provision to its customers followed by the necessary activities and structure to deliver this value. These activities and structure are seen as infinitely malleable; they can be specified a ...

2013

Requirements modeling in SEAM: The example of a car crash management system

Alain Wegmann, Gil Regev, Arash Golnam, Anshuman Bahadur Saxena, Biljana Bajic-Bizumic, Gorica Tapandjieva Sekulovska, George Popescu, Maedeh Yassaee

This paper presents how business and IT requirements are captured with the Systemic Enterprise Architecture Methodology (SEAM). The method is applied to the Car Crash Management System (CMS) - Software Product Line (SPL) case study. The existing business s ...

IEEE2013

Special issue on business process lifecycle: design, deployment, operation and evaluation

Gil Regev

2012

Aligning Value and Implementation in Service Design: A Systemic Approach

Alain Wegmann, Gil Regev, Julien Ramboz, Philippe Laprade, 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

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

Modeling an Emergency Service System for a Hospital Network

Alain Wegmann, Gil Regev

In this paper we describe a service modeling project done at an IT department that provides IT services to a network of state owned healthcare providers in the state of Vaud in Switzerland. The goal of the project is to un- derstand how to maintain busines ...

Springer-Verlag Berlin2012

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

Alain Wegmann, Gil Regev, Julien Favre

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

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 ...

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