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Patent Searching and Data


Title:
RISK PREDICTION METHOD AND APPARATUS BASED ON REINFORCEMENT LEARNING, AND DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/108987
Kind Code:
A1
Abstract:
A risk prediction method and apparatus based on reinforcement learning, and a device and a storage medium, which relate to the field of artificial intelligence. The method comprises: receiving a risk prediction request regarding a target subject matter, wherein the risk prediction request comprises a prediction date (S201); acquiring a receipt date of the risk prediction request and target historical data of the target subject matter in N days before the receipt date (S202); performing feature extraction on the target historical data to obtain a target state feature corresponding to each of a plurality of preset feature dimensions (S203); and inputting the target state features into a first risk prediction model to obtain a risk value of the target subject matter on the prediction date (S204), wherein the first risk prediction model is a model that is obtained by means of optimizing a first Actor model on the basis of a first training set, a first Critic model or a second Critic model. By means of the method, the accuracy of risk prediction can be improved, thus facilitating risk decision making.

Inventors:
XIAO JING (CN)
GUO XIAO (CN)
WANG LEI (CN)
WANG YUAN (CN)
LIU YUNFENG (CN)
TAN TAO (CN)
CHEN YOUXIN (CN)
Application Number:
PCT/CN2022/090029
Publication Date:
June 22, 2023
Filing Date:
April 28, 2022
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Assignee:
PING AN TECH SHENZHEN CO LTD (CN)
International Classes:
G06Q40/04; G06N3/04; G06Q10/04
Foreign References:
CN114240656A2022-03-25
CN112101520A2020-12-18
CN112927085A2021-06-08
CN107798608A2018-03-13
CN112488826A2021-03-12
CN110059896A2019-07-26
Attorney, Agent or Firm:
BEIJING CHENQUAN INTELLECTUAL PROPERTY LAW FIRM (CN)
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