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Cormack, G.V.; Clarke, C.L.A.; Palmer, C.R.; To, S.S.L.: Passage-based refinement : MultiText experiments for TREC-6 (2000)
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Cormack, G.V.; Clarke, C.L.A.; Palmer, C.R.; Lynam, T.R.: MultiText experiments for TREC (2005)
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