Risk identification method and device
A risk identification and characteristic value technology, applied in the field of risk identification, can solve problems such as losses of users or merchants, merchants or network platforms
Pending Publication Date: 2019-08-23
BEIJING SANKUAI ONLINE TECH CO LTD
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Problems solved by technology
[0005] The embodiment of the present application provides a method and device for risk identification, which is used to solve the problem in the prior art that the user, merchant or network platform suffers losses due to the inability to effectively identify illegal operations performed by users or merchants
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[0053] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be clearly and completely described below in conjunction with specific embodiments of the present application and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0054] The technical solutions provided by various embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.
[0055] figure 1 It is a schematic flow chart of a risk identification method in the embodiment of the present application, specifically including the following steps:
[0056]S10...
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The invention discloses a risk identification method and device. The method comprises the following steps: obtaining a feature value of each preset feature from historical data corresponding to targetequipment, for any two preset features in the preset features, performing traversing to obtain feature value combinations composed of different feature values of the two preset features respectively,and for each feature value combination, determining the conditional probability of one feature value contained in the feature value combination based on the other feature value contained in the feature value combination; according to the obtained current data corresponding to the to-be-tested device, determining the characteristic values, corresponding to the preset characteristics, of the to-be-tested device, inquiring the conditional probability, corresponding to each characteristic value combination, of the to-be-tested device, and according to the inquired conditional probability of eachcharacteristic value combination, carrying out risk identification on the to-be-tested device. By inquiring the conditional probability of each characteristic value combination corresponding to the to-be-tested equipment, the risk of the to-be-tested equipment is quickly and accurately identified, and a user, a merchant and a network platform are effectively prevented from being lost.
Description
technical field [0001] The present application relates to the field of computers, in particular to a method and device for risk identification. Background technique [0002] With the continuous development of computer and network technology, the network platform can provide a good trading platform for many merchants and users, and each merchant can publish their own goods and services on the network platform to attract users on the network platform to consume . [0003] However, with the continuous increase of users and merchants, some users or merchants will inevitably obtain illegal benefits through some illegal operations, which will bring certain losses to merchants, users and network platforms. For example, users participate in some marketing activities of the network platform by modifying device information and personal information multiple times to pretend to be new users, thereby obtaining certain illegal benefits and bringing certain losses to the network platform ...
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Login to View More IPC IPC(8): G06Q10/06G06Q30/06
CPCG06Q10/0635G06Q30/0609
Inventor 高鹏杨邵纪东沐广武朱敏陈俊宇
Owner BEIJING SANKUAI ONLINE TECH CO LTD