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18]. For every system we count the number of queries for which it retrieves the desired site at rank-1, up to rank-2, up to rank-3, and so on, and plot this on a graph (see Section 5). The higher the number of queries for which an engine retrieves the desired site at a certain rank, the better is the engine.
Next: Collection of Pages Up: Experimental Environment Previous: TREC Implementation Amit Singhal 2001-02-18