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Clarke, C.L.A.; Cormack, G.V.: Interactive substring retrieval : multitext experiments for TREC-5 (1997)
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Clarke, C.L.A.; Cormack, G.V.; Burkowski, F.J.: Shortest substring ranking : multitext experiments for TREC-4 (1996)
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Clarke, C.L.A.; Cormack, G.V.; Tudhope, E.A.: Relevance ranking for one to three term queries (2000)
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Cormack, R.M.: ¬A review of classification (1971)
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