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In this paper we describe a mechanism for invoking external applications from XML documents and returning the results back into the documents such that it becomes possible to create dynamic XML documents with content fetched from external resources such as remote databases or legacy applications....
We use experimental techniques to compare first-price auctions to a common but previously unexamined exchange process that we term "multilateral negotiations." Initially, we find that transaction prices are statistically indistinguishable in the two institutions with four sellers, but that prices...