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Two common assumptions held by information retrieval researchers are that searching using Boolean operators is inferior to natural language searching and that results from batch-style retrieval evaluations are generalizable to the real-world searching. We challenged these assumptions in the Text Retrieval Conference (TREC) interactive track, with real users following a consensus protocol to search for an instance recall task. Our results showed that Boolean and natural language searchingdoi:10.1016/s0306-4573(00)00054-6 fatcat:s4fad5xgfzerzasxkqqzrkqobm