Scanning Once A Large Distributed Database To Mine Global
Association Rules By Growing A Prefix Tree For Each Local Transaction
Author(s)
F. Wang & N. Helian
Abstract
Scanning once a large distributed database to
mine global association rules by growing a
prefix tree for each local transaction
F. Wang & N. Helian
Department of Computing, London Metropolitan University, UK
Abstract
Most of the popular data mining algorithms are designed to work for centralized
data and they often do not pay attention to the resource constraints of distributed
and mobile environments. In support of the third generation of data mining
systems on distributed and massive data, we proposed an efficient distributed
and mobile algorithm for global association rule mining, which does not need to
ship all of local data to one site thereby not causing excessive network
communication cost. In this algorithm the contribution from each transaction is
comprehensively taken into account by growing a prefix tree for each transaction
and enumerating all subsets of the transaction itemset. There is no need at all to
store and re-scan the previously-scanned transactions, which will be discarded
Keywords
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