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Departments >> Faculty of Engineering >> Department of Computer Science >> Chair of Computer Science 6 (Data Management) >>

The goal of the Marrakesch project is to specify a formal model for negotiating complex configurable contracts. The general process of a business transaction consists of three phases, a loosely coupled information phase, a more tightly coupled negotiation phase and finally the execution phase. Marrakesch is meant to especially support the first and the second of these phases. The topics of main interest are:

• The Formalization of Demand and Supply To enable the automatisation of the processing of contracts it is necessary to create a formal model that on the one hand allows the computer to “understand” the content of a contract, and on the other hand is not too limiting for (human) demanders and suppliers. Due to its B2B orientation Marrakesch utilizes an extended form of bills of materials. Both parties, the demander as well as the supplier, express there business objectives by using this formal model.

• The Matching of Demand and Supply From the potentially huge set of demands and supplies matching partners have to be found. If such a matching pair is found the two businesses can advance from the information phase to the negotiation phase. Marrakesch concentrates on finding efficient matching algorithms for automatically discovering compatible business partners on an electronic marketplace.

• Supporting Contract Negotiation After finding a matching pair of demand and supply still several open issues may remain. These issues have to be solved within a guided negotiation process. If demander and supplier can reach a satisfying decision for each of these points a valid contract comes into place and the business partners can advance to the final execution phase. If no agreement can be achieved the negotiation process fails and both businesses have to return to the match making stage.

Project manager:
Dr.-Ing. Wolfgang Hümmer

Project participants:
Dennis Kalemba; Ulrich Grießer; Stefan Baas; Stefan Meiler; Michael Schrumpf; Thomas Thiel

Vertragsverhandlungen; B2B; Matching; Dialog; konfigurierbare Güter; Stücklisten

Duration: 1.6.2001 - 31.12.2004

Hümmer, Wolfgang ; Lehner, Wolfgang ; Wedekind, Hartmut: Contracting in the Days of eBusiness. In: SIGMOD Record 31 (2002), No. 1, pp 31-36
Dietrich, A. ; Hümmer, Wolfgang ; Meiler, Christian: A Meta Model based Configuration Approach for mass-customizable Products and Services. In: o.A. (Ed.) : Proceedings of the 4th Workshop on Information Systems for Mass Customization (SMC 2004) (4th Workshop on Information Systems for Mass Customization (SMC 2004) Madeira, Portugal 29.03.04). 2004, pp o.A..
Hümmer, Wolfgang: Vertragsverhandlungen um konfigurierbare Produkte im elektronischen Handel. Erlangen, Universität Erlangen-Nürnberg, Ph.D. thesis, 2004
Hümmer, Wolfgang ; Meiler, Christian ; Müller, Sascha ; Dietrich, Andreas: Data Model and Personalized Configuration Systems for Mass Customization - A Two Step Approach for Integrating Technical and Organisational Issues. In: o.A. (Org.) : Proceedings of International Conference on Economic, technical and Organisational aspects of Product Configuration Systems (International Conference on Economic, Technical and Organisational aspects of Product Configuration Systems Kopenhagen 28.-29.06.2004). 2004, pp 35-44.
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