US 11,799,975 B1Granted

System and method for pattern detection in user accounts through fuzzy pattern matching

AssigneePaypal, Inc.

InventorsYing Lin, Jiaqi Zhang

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Abstract

Various techniques are disclosed for providing dynamic, real-time pattern detection and linking between newly created user accounts and existing user accounts. Certain solutions include assessing matches of a new user account to nodes in a graphical representation of a machine learning algorithm based on predefined patterns in the properties of the new user account. The nodes in the graphical representation may each have different predefined patterns that have been determined based on patterns in previous information for user accounts, which can also be updated in real-time as needed. Accordingly, when a new user account is matched (e.g., assigned) to a node that has accounts with known issues associated with the node, the new user account may be flagged for increased scrutiny or other solutions.

Claims18

Dependent claims

A method, comprising:

receiving, by a computer system, account information corresponding to a new user account generated for a service system, wherein the account information includes values for a plurality of account properties;
determining whether the new user account belongs to a node in a graphical detection database, wherein the node is associated with a predefined pattern in two or more of the account properties, wherein the predefined pattern includes a combination of characters from the two or more account properties, the node holding existing values for the two or more account properties based on the predefined pattern, wherein the existing values held by the node for the two or more account properties based on the predefined pattern include existing values for the combination of characters, and wherein determining whether the new user account belongs to the node includes:
extracting values for the two or more account properties from the new user account based on the predefined pattern, wherein the extracted values for the two or more account properties from the new user account based on the predefined pattern include extracted values for the combination of characters;
and
determining the new user account belongs to the node when the extracted values of the two or more account properties corresponding to the new user account match the existing values for the two or more account properties held in the node, wherein the extracted values of the two or more account properties corresponding to the new user account match the existing values for the two or more account properties held in the node when the extracted values for the combination of characters match the existing values for the combination of characters;
and
assigning an account issue determination to the new user account based on additional user account information associated with the node in response to the new user account being determined to belong to the node.

4 more elements

A non-transitory computer-readable medium having instructions stored thereon that are executable by a computing device to perform operations, comprising:

receiving account information corresponding to a new user account generated for a service system, wherein the account information includes values for a plurality of account properties;
determining whether the new user account belongs to one or more pattern nodes in a graphical detection database, wherein the pattern nodes in the graphical detection database are associated with predefined patterns in the account properties, wherein the predefined patterns include combinations of characters from the account properties, and wherein the pattern nodes hold existing values for the account properties based on the predefined patterns, wherein the existing values held by the pattern nodes for the account properties based on the predefined patterns include existing values for the combinations of characters, and wherein determining whether the new user account belongs to a specified pattern node includes:
extracting values for the account properties from the new user account based on a predefined pattern for the specified pattern node, wherein the extracted values for the account properties from the new user account based on the predefined pattern for the specified pattern node include extracted values for a combination of characters for the specified pattern node;
and
determining the new user account belongs to the specified pattern node when the extracted values of the account properties corresponding to the new user account match the existing values for the properties held in the specified pattern node, wherein the extracted values of the account properties corresponding to the new user account match the existing values for the account properties held in the specified pattern node when the extracted values for the combination of characters match the existing values for the combination of characters in the specified pattern node;
and
assigning the new user account to an account node linked to the specified pattern node in response to the new user account being determined to belong to the specified pattern node.

4 more elements

A method, comprising:

receiving, by a computer system, account information corresponding to a new user account generated for a service system, wherein the account information includes values for a plurality of account properties;
generating an account node for the new user account in a graphical detection database;
determining whether the new user account belongs to a first pattern node in the graphical detection database, wherein the first pattern node is associated with a predefined pattern in two or more of the account properties, wherein the predefined pattern includes a combination of characters from the two or more account properties, and wherein the first pattern node holds existing values for the two or more account properties based on the predefined pattern, wherein the existing values held by the first pattern node for the two or more account properties based on the predefined pattern include existing values for the combination of characters, wherein the determining includes comparing, for the two or more account properties based on the predefined pattern, first values of the two or more account properties found in the new user account to the existing values of the two or more account properties held in the first pattern node, wherein the first values for the two or more account properties from the new user account based on the predefined pattern include first values for the combination of characters;
in response to the first values of the two or more account properties in the new user account being determined to match the existing values of the two or more account properties held in the first pattern node, linking the account node to the first pattern node, wherein the first values of the two or more account properties corresponding to the new user account match the existing values for the two or more account properties held in the first pattern node when the first values for the combination of characters match the existing values for the combination of characters;
and
in response to the first values of the two or more account properties in the new user account being determined to not match the existing values of the two or more account properties held in the first pattern node:
generating a second pattern node in the graphical detection database, wherein the second pattern node holds the first values of the two or more account properties in the new user account;
and
linking the account node to the second pattern node.

6 more elements

Dependencies are inferred from the claim text.