Thomas, Paul; Hawking, David
Server selection is an important subproblem in distributed information retrieval (DIR) but has commonly been studied with collections of more or less uniform size and with more or less homogeneous content. In contrast, realistic DIR applications may feature much more varied collections. In particular, personal metasearch-a novel application of DIR which includes all of a user's online resources-may involve collections which vary in size by several orders of magnitude, and which have highly...[Show more]
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