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Robertson, S.E.: OKAPI at TREC-1 (1994)
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Robertson, S.E.: OKAPI at TREC-3 (1995)
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Harman, D.K.: ¬The first text retrieval conference : TREC-1, 1992 (1993)
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Evans, D.A.; Lefferts, R.G.: CLARIT-TREC experiments (1995)
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Keenan, S.; Smeaton, A.F.; Keogh, G.: ¬The effect of pool depth on system evaluation in TREC (2001)
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