Method and device for detecting abnormity of behavioral data

A behavior and data technology, applied in the field of data processing, can solve the problems that the behavior record data cannot accurately represent the characteristics of the transaction scene, the results vary greatly, and the business understanding level of the risk control business personnel is different. Model definition time, elimination of definition steps, effect of reducing dependencies on business awareness

Pending Publication Date: 2021-11-05
SHENGDOUSHI SHANGHAI SCI & TECH DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, due to differences in business understanding levels of risk control business personnel, statistical modeling of behavior record data cannot accurately represent the characteristics of transaction scenarios, resulting in huge differences in anomaly detection results

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  • Method and device for detecting abnormity of behavioral data
  • Method and device for detecting abnormity of behavioral data
  • Method and device for detecting abnormity of behavioral data

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Embodiment Construction

[0016] Exemplary embodiments of the present application will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these The concepts are fully conveyed to those skilled in the art. In the drawings, the size of some elements may be exaggerated or deformed for clarity. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.

[0017] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of the embodiments of the present application. However, those skilled in the art will appreciate that the technical solutions of the present application may be prac...

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Abstract

The invention relates to a method for detecting abnormity of behavior data. The method comprises the following steps: acquiring entity data and event data associated with the behavior data; based on the behavior data, constructing a behavior graph model from the entity data and the event data, the behavior graph model being composed of at least two nodes and edges connected between the nodes, the nodes representing entities associated with behaviors, and the edges representing events associated with the behaviors, the edge and the two nodes connected by the edge representing the behavior that the event occurs between the entities represented by the nodes; for each of the nodes, extracting at least one feature of the node based on the behavior graph model; and detecting anomalies in the behavior data based on the extracted features of the nodes. The invention further relates to a device for detecting the abnormity of the behavior data and a computer readable storage medium.

Description

technical field [0001] The present application relates to data processing and, in particular, to methods and apparatus for detecting anomalies, such as transaction-related behavioral data. Background technique [0002] Transactional behavior exists in many industries such as the restaurant industry. Risk control of transaction-related data is one of the main purposes of transaction behavior data management. The premise of risk control is the ability to accurately detect anomalies in transaction-related data. [0003] Many methods have been proposed for anomaly detection of transaction-related data. For example, the existing abnormal transaction behavior detection methods adopted by risk control business personnel basically follow the following steps: (1) define behavior; (2) collect behavior record data; (3) define and calculate statistical indicators based on behavior record data to Obtain behavioral statistical data; (4) Based on the behavioral statistical data, run rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06Q20/40G06Q40/04G06F16/28G06K9/62
CPCG06Q20/382G06Q20/4016G06Q40/04G06F16/288G06F18/24323
Inventor 胡旻皓
Owner SHENGDOUSHI SHANGHAI SCI & TECH DEV CO LTD
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