Buchwalter, JanaBrenner, WalterZarnekow, Rüdiger2018-01-162018-01-1620022002https://dl.gi.de/handle/20.500.12116/12308Many companies and purchasing departments only possess a limited knowledge about the modelling of inter-company business processes for electronic procurement. In the past the discussion about electronic procurement was mostly focused on technical aspects. This article introduces a reference process model for procurement auctions. The process model is made up of a basic process, which describes a minimal process for procurement auctions, and a number of process alternatives, which allow for the adoption of the basic process to changing parameters and individual company requirements.auctionselectronic commerceelectronic procurementprocurement auctionsprocurement processreference processreverse auctionsText/Journal Article1861-8936