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Voorhees, E.M.; Harman, D.: Overview of the Sixth Text REtrieval Conference (TREC-6) (2000)
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Voorhees, E.M.; Harman, D.K.: Overview of the fifth Text Retrieval Conference (TREC-5) (1997)
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Voorhees, E.M.: Text REtrieval Conference (TREC) (2009)
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