Peter J. A. Reusch

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This paper focuses on the extension of project procurement concepts and processes with the aim of integrating sustainable procurement into the project management methodology provided by the PMBOK framework. The starting point is to include sustainability into the organisational structure. Subsequently, a bridge is built between the organisations'(More)
One essential part of e-business is the exchange of product data between business partners. Classifications have been developed as a means to clearly describe the semantics of product descriptions. They provide schema elements like properties and classes and define their semantics by some formal relationships and some textual (informal) definitions. This(More)
E-learning is one of the pillars of modern higher education and there are many systems that support e-learning and many applications. Today the scope of e-learning goes more and more beyond individual universities. Study programs are often installed in a consortium of cooperating universities. In this case students and staff need access to e-learning(More)
Responsibility and sustainability in projects were shaped by general standards like ISO 26000 [1] on social responsibility or by an extended stakeholder management as described in the 5 th edition of PMBOK ® [2] of PMI ® or in ISO 21500 [3] derived from PMBOK ®. The new standard ISO 20151 [4] on sustainable event management and recent initiatives of the(More)
In classification systems like eCl@ss[1] the number of classes grows and products like for example, screws are spread across several segments related to selected applications or industries. Entropy functions on test sets are used to calculate the dispersion of products across the classification system. For such dispersed classes the corresponding property(More)