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In this paper we introduce a conceptual model for information supply which abstracts from enabling technologies such as file types, transport protocols and RDF and DAML+OIL. Rather than focusing on technologies that may be used to actually implement information supply, we focus on the question: what is information supply and how does it relate to the data (resources) found on the Web today. By taking a high level of abstraction we can gain more insight in the information market, compare different views on it and even present the architecture of a prototype retrieval system (Vimes) which uses transformations to deal with the heterogeneity of information supply.