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Savoy, J.: Effectiveness of information retrieval systems used in a hypertext environment (1993)
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Robertson, S.E.: OKAPI at TREC (1994)
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Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976)
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Harman, D.: ¬The Text REtrieval Conferences (TRECs) : providing a test-bed for information retrieval systems (1998)
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Losee, R.M.: Comparing Boolean and probabilistic information retrieval systems across queries and disciplines (1997)
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