Infrequent itemset mining

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The infrequent weighted itemset mining algorithm  described in [1] is available, for research purposes, upon request.
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Weighted dataset generator

The software “Weighted Dataset Generator” can be used to generate weighted transactional datasets from unweighted datasets.
For the (input) unweighted datasets the standard ascii format is used (see the FIMI repository for example of unweighted datasets).

Weighted Dataset Generator Code  (

How to install and run (README – INSTALL)



[1].  Luca Cagliero, Paolo Garza, “Infrequent Weighted Itemset Mining Using Frequent Pattern Growth,” IEEE Transactions on Knowledge and Data Engineering, in press