Foreword by Pierre Haren

In the past 30 years, the evolution of computer science can be described as a constant effort to “reify,” a long march to transform all activities into “digital things.” We started with the structuring of data and the advent of relational database systems, which led to the ascension of Oracle; then with the reification of processes, with the Enterprise Resource Planning software wave leading to the emergence of SAP, and later of I2 for Supply Chain Management and Siebel Systems for Customer Relationship Management.

We moved on to the Business Process Management wave, which now enables the description of most service activities into well-defined sequences of processes weaving human-based processes with computer-based processes. ...

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