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We compare standard global IR searching with user-centric localized techniques to address the database selection problem. We conduct a series of experiments to compare the retrieval effectiveness of three separate search modes applied to a hierarchically structured data environment of textual database representations. The data environment is represented as a tree-like directory containing over 15,000 unique databases and over 100,000 total leaf nodes. Our search modes consist of varying degreesdoi:10.1145/564376.564449 dblp:conf/sigir/ConradYC02 fatcat:sjoyrq23ifg77m3u3y3wgctkci