Gesellschaft für Informatik e.V.

Lecture Notes in Informatics

Business Process and Services Computing 1st International Working Conference on Business Process and Services Computing BPSC 2007 September 25 - 26, 2007, Leipzig, Germany P-116, 36 (2007).

Gesellschaft für Informatik, Bonn


Witold Abramowicz (ed.), Leszek Maciaszek (ed.)

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Pricing (Composed) web services

Oliver Guenther


In this invited talk we discuss the challenges associated with composing and pricing web services. We present the results of an online experiment, where subjects were confronted with a variety of choices and decisions relating to web service markets and service composition. Our analysis shows that people expect the price of a composite web service to be lower than the sum of the prices of the elementary services, i.e., users are not willing to pay for aggregation by a third party. To obtain a viable business model for composite web services, non-standard pricing mechanisms, such as auctions and negotiations, possibly supported by electronic agents, have to be taken into consideration. Usage-based pricing schemes, combined with an option to switch to a flat subscription, seem most appropriate to penetrate the developing market for web services. - This is joint work with Frank Leymann and Gerrit Tamm. A full version of this paper will be published shortly in the International Journal of Business Process Integration and Management.

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Gesellschaft für Informatik, Bonn
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