Method and device for constructing and predicting isolated forest model based on federated learning
A forest model, federated technology, applied in the field of machine learning
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[0086] Embodiments of this specification will be described below with reference to the accompanying drawings.
[0087] figure 1 A schematic diagram showing a scenario of constructing and using an isolated forest model according to an embodiment of the present specification. Such as figure 1 As shown, this scenario includes at least two data parties (only A and C parties are schematically shown in the figure) and a computing party (B party), and the following two data parties will be used as an example for description. Party A and Party C are, for example, a shopping platform and a payment platform, and the isolated forest model, for example, can be used to predict the abnormality of transactions associated with the two platforms. Among them, party A has, for example, the commodity characteristics of each transaction, user purchase behavior characteristics, etc., and party C has, for example, payment characteristics of each transaction, user payment behavior characteristics, ...
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