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Robertson, S.E.: Some recent theories and models in information retrieval (1980)
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- Pages
- S.131-136
- 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
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- a
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Robertson, S.E.: ¬The methodology of information retrieval experiment (1981)
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- Pages
- S.9-31
- Source
- Information retrieval experiment. Ed.: K. Sparck Jones
- Type
- a
-
Robertson, S.E.: On relevance weight estimation and query expansion (1986)
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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
- Theme
- Semantisches Umfeld in Indexierung u. Retrieval
- Type
- a
-
Robertson, S.E.; Thompson, C.L.: ¬An operational evaluation of weighting, ranking and relevance feedback via a front-end system (1987)
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- Type
- r
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Bovey, J.D.; Robertson, S.E.: ¬An algorithm for weighted searching on a Boolean system (1984)
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- Source
- Information technology: research and development. 3(1984) no.1, S.84-87
- Type
- a