Method and device for jointly training model based on multi-party private data
A technology for private data and training models, applied in the computer field, can solve problems such as poor model prediction accuracy and inability to obtain private data
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[0048]The following describes the solutions provided in this specification with reference to the drawings.
[0049]figure 1 This is a schematic diagram of an implementation scenario of an embodiment disclosed in this specification. This implementation scenario involves a joint training model based on private data from multiple parties. Referencefigure 1 , The multiple parties include a second party and multiple first parties, for example, the first party is A1, A2... or An, the second party is B, and the multiple first parties respectively have different first objects The first private data of the same first feature item of each object in the set, and the corresponding first category label, the multiple first parties have their respective first sub-models, such as model A; the second party Having second privacy data of the second feature item of each object in the second object set, and the corresponding second category label, the second object set overlaps with any one of the first ob...
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