Search (4 results, page 1 of 1)

  • × year_i:[1980 TO 1990}
  • × author_ss:"Robertson, S.E."
  1. Robertson, S.E.: Some recent theories and models in information retrieval (1980) 0.00 
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    Source
    Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
  2. Robertson, S.E.: ¬The methodology of information retrieval experiment (1981) 0.00 
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  3. Robertson, S.E.: On relevance weight estimation and query expansion (1986) 0.00 
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    Abstract
    A Bayesian argument is used to suggest modifications to the Robertson/Sparck Jones relevance weighting formula, to accomodate the addition to the query of terms taken from the relevant documents identified during the search
    Source
    Journal of documentation. 42(1986), S.182-188
  4. Robertson, S.E.; Thompson, C.L.: ¬An operational evaluation of weighting, ranking and relevance feedback via a front-end system (1987) 0.00 
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