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In the InfoBeacons system, a peer-to-peer network of beacons cooperates to route queries to the best information sources. Many internet sources are unwilling to provide more cooperation than simple searching to aid in the query routing. We adapt techniques from information retrieval to deal with this lack of cooperation. In particular, beacons determine how to route queries based on information cached from sources' responses to queries. In this paper, we examine alternative architectures fordoi:10.1109/tpds.2007.1107 fatcat:f7gsemgbfbf7dokkc5vtmesoua