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Model-based prediction method and device

A prediction method and a technology of a prediction device, applied in the field of data processing, can solve problems such as leaking private data, worrying about model security issues, and blocked data cooperation, etc., to achieve the effects of improving accuracy, reducing transmission safety hazards, and low docking costs

Active Publication Date: 2018-12-18
ADVANCED NEW TECH CO LTD
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Problems solved by technology

On the one hand, the data provider does not want to export its own value data to the data demander and leak private data; on the other hand, the feature labels and other information contained in the model are also private data of the merchant, which has important commercial value, and worries about data cooperation. Model security issues of , resulting in data cooperation being hindered

Method used

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  • Model-based prediction method and device

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Embodiment Construction

[0030] Embodiments of this specification will be described below with reference to the accompanying drawings.

[0031] figure 1 A schematic diagram of a system 100 for performing model prediction according to an embodiment of the present specification is shown. Such as figure 1As shown, the system 100 includes a data demander 11 and a data provider 12 . The data demander 11 is the model owner, which includes the trained calculation model. As shown in the figure, at the data demander 11, the private data A includes data such as the feature labels of the trained model, and the calculation logic (model / rule) embodied by the computational model. The data provider is the data owner, and the private data B shown in the figure is the data owned by the data provider, which can be calculated using the above calculation model. As shown in the figure, for example, a secure computing engine is pre-installed on the data requester 11 , and for example, a secure computing engine is insta...

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Abstract

Embodiments of the present specification provide a model-based prediction method and device, the method being performed on a data demand side including a pre-trained computing model, the method comprising: generating an encryption model by encrypting at least one parameter of the computing model; providing the encryption model to a data provider, wherein the data provider stores first data; sending a calculation request for the first data and the encryption model to the data provider; receiving a calculation result corresponding to the calculation request from the data provider; and obtaininga plaintext prediction result of the calculation model based on the calculation result.

Description

technical field [0001] The embodiments of this specification relate to the technical field of data processing, and more specifically, to a model-based prediction method and device. Background technique [0002] In data analysis, data mining, economic forecasting and other fields, models are often used to process big data to analyze and discover potential data value. In practical application scenarios, in order to more accurately describe the target group or variable, it is usually necessary to use test data for training to obtain characteristics that can accurately describe the target group or variable. However, the data types or characteristics owned by different merchants are often unsound, and it is difficult to accurately describe the target through a single data. In order to obtain better model prediction results, merchants usually choose data cooperation methods, combining different data or feature labels to complete model calculations for a win-win situation. In the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/60
CPCG06F21/602
Inventor 林文珍殷山刘正
Owner ADVANCED NEW TECH CO LTD
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