Estimation of parameters

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Relevance
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125 document x for different settings of a pair of variables xi,xj i ...and similarly for the other three settings of xi and xj i ...This shows how simple the non linear weighting function really is ...Estimation of parameters The use of a weighting function of the kind derived above in actual retrieval requires the estimation of pertinent parameters ...Here I have adopted a labelling scheme for the cells in which [x]means the number of occurrences in the cell labelled x ...