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Posted to user@mahout.apache.org by 戴清灏 <ro...@gmail.com> on 2011/10/14 14:19:01 UTC

About frequent pattern mining

Hi, all,
     I am reading mahout's fp-growth code now, and I am a little bit
confusing about its implementation.
     The part of grouping. Why grouping? And during the parallel fp-growth,
why it ignore some items?
     Example: a transaction: A,B,C,D
     If A and B belongs to the same group, then one of them will not be
processed, why?
     Can anybody explain? Thanks.

     Roger Dai