similarity or distance definition between the two itemsets

Discussion in 'MATLAB' started by cele, Aug 5, 2004.

  1. cele

    cele Guest

    Thanks any advices in advance.

    Given two itemsets
    T={i1,i2,¡­,im}, T¡¯={j1,j2,¡­,jn}, m¡Ùn
    also know the distance between any pair of elements from T and T'

    how to define the similarity or distance between T and T', in other
    words, given a target itemset, I need to search similar itemsets from
    many many known itemsets. so according to the distance matrix between
    each pair of items, how to define the distance or similarity between
    the two itemsets?

    Any advice welcome.
    Thanks again.
    cele, Aug 5, 2004
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