Method and device for jointly determining object feature correlation in private data by multiple parties
A technology for privacy data and object characteristics, which is applied in the field of data processing and can solve problems such as strong privacy protection requirements
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[0069] The solutions provided in this specification will be described below in conjunction with the accompanying drawings.
[0070] figure 1 It is a schematic diagram of an implementation scenario of an embodiment disclosed in this specification. Such as figure 1 As shown, in the shared learning scenario, the data set is jointly provided by multiple holders 1, 2, ..., M (M is a natural number), and each holder owns a part of the data in the data set, which constitutes the holder’s original matrix. The data set may be a training data set for training the neural network model, a test data set for testing the neural network model, or a data set to be predicted. The data set can include characteristic data of business objects, and the business objects can be objects to be analyzed in various businesses such as users, shops, commodities, and events.
[0071] There can be at least two data distributions here. One is that each holder has data of different characteristics of all ...
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