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  1. Robertson, S.E.; Belkin, N.J.: Ranking in principle (1978) 8.03 
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  2. Robertson, S.E.: Some recent theories and models in information retrieval (1980) 8.03 
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  3. Robertson, S.E.: Theories and models in information retrieval (1977) 8.03 
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  4. Robertson, S.E.; Hancock-Beaulieu, M.M.: On the evaluation of IR systems (1992) 8.03 
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  5. Robertson, S.E.: On term selection for query expansion (1990) 8.03 
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  6. Robertson, S.E.: On relevance weight estimation and query expansion (1986) 8.03 
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  7. Robertson, S.E.: Indexing theory and retrieval effectiveness (1979) 8.03 
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  8. Robertson, S.E.: ¬The probabilistic character of relevance (1977) 8.03 
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  9. Robertson, S.E.: Query-document symmetry and dual models (1994) 8.03 
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  10. Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976) 8.03 
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  11. Robertson, S.E.; Walker, S.; Beaulieu, M.: Laboratory experiments with Okapi : participation in the TREC programme (1997) 8.03 
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  12. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 8.03 
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  13. Robertson, S.E.: ¬The parametric description of retrieval tests : Part I: The basic parameters (1969) 8.03 
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  14. Robertson, S.E.: ¬The parametric description of retrieval tests : Part II: Overall measures (1969) 8.03 
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  15. Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 1 (2000) 8.03 
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  16. Sparck Jones, K.; Walker, S.; Robertson, S.E.: ¬A probabilistic model of information retrieval : development and comparative experiments - part 2 (2000) 8.03 
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  17. MacFarlane, A.; Robertson, S.E.; McCann, J.A.: Parallel computing for passage retrieval (2004) 8.03 
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  18. Robertson, S.E.; Walker, S.; Beaulieu, M.: Experimentation as a way of life : Okapi at TREC (2000) 8.03 
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  19. Robertson, S.E.; Walker, S.; Hancock-Beaulieu, M.M.: Large test collection experiments of an operational, interactive system : OKAPI at TREC (1995) 8.03 
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  20. Robertson, S.E.; Beaulieu, M.: Research and evaluation in information retrieval (1997) 8.03 
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