Abstract
We consider distributed information systems that are open, dynamic and provide access to large numbers of distributed, heterogeneous, autonomous information sources. Most of the work in data mediator systems has dealt with the problem of finding relevant information providers for a request. However, finding relevant requests for information providers is another important side of the mediation problem which has not received much attention. In this paper, we address these two sides of the problem with a flexible mediation process. Once the qualified information providers are identified, our process allows them to express their request interests via a bidding mechanism. It also requires to set up a requisition policy, because a request must always be answered if there are qualified providers. This work does not concern pure market mechanisms because we counter-balance the providers’ bids by considering their quality wrt a request. We validated our process on a set of simulations. The results show that the mediation process supports the providers in adequacy with the user expectations, even if they are sometimes imposed.
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Lamarre, P., Cazalens, S., Lemp, S., Valduriez, P. (2004). A Flexible Mediation Process for Large Distributed Information Systems. In: Meersman, R., Tari, Z. (eds) On the Move to Meaningful Internet Systems 2004: CoopIS, DOA, and ODBASE. OTM 2004. Lecture Notes in Computer Science, vol 3290. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30468-5_4
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DOI: https://doi.org/10.1007/978-3-540-30468-5_4
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