Journal
DATA MINING AND KNOWLEDGE DISCOVERY
Volume 14, Issue 1, Pages 131-170Publisher
SPRINGER
DOI: 10.1007/s10618-006-0051-9
Keywords
privacy-preserving data mining; boosting; AdaBoost distributed learning; secure multiparty computation
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We describe two algorithms, BiBoost ( Bipartite Boosting) and MultBoost ( Multiparty Boosting), that allow two or more participants to construct a boosting classifier without explicitly sharing their data sets. We analyze both the computational and the security aspects of the algorithms. The algorithms inherit the excellent generalization performance of AdaBoost. Experiments indicate that the algorithms are better than AdaBoost executed separately by the participants, and that, independently of the number of participants, they perform close to AdaBoost executed using the entire data set.
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