User behavior feature extraction method, device, equipment and system
A feature extraction and behavior technology, applied in the payment system, data processing application, payment system structure, etc., can solve the problems of poor timeliness, high noise, and low efficiency of user behavior feature mining, so as to reduce labor costs and reduce detection difficulty. Effect
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[0019] In order to enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below in conjunction with the drawings in the embodiments of this specification. Obviously, the described The embodiments are only some of the embodiments in this specification, not all of them. Based on one or more embodiments in this specification, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of the embodiments of this specification.
[0020] Anti-fraud can be equated to predicting human behavior to a certain extent. As financial fraud forms continue to evolve and become more complex, fraudsters can quickly change their fraud patterns. New types of fraud are often completed by many complex events and steps. Fraudsters continue to adopt new technologies to imitat...
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