Abstract: Methods and server systems for computing fraud risk scores for various merchants associated with an acquirer described herein. The method performed by a server system includes accessing merchant-related transaction data including merchant-related transaction indicators associated with a merchant from a transaction database. Method includes generating a merchant-related transaction features based on the merchant-related indicators. Method includes generating via risk prediction models, for a payment transaction with the merchant, merchant health and compliance risk scores, merchant terminal risk scores, merchant chargeback risk scores, and merchant activity risk scores based on the merchant-related transaction features. Method includes facilitating transmission of a notification message to an acquirer server associated with the merchant.

Abstract: An electronic device may include communication circuitry, for communicating with at least one external electronic device; and at least one processor operatively connected to the communication module. The at least one processor may be configured to: acquire transition information related to transitions between pieces of content for each content category; generate, based on the transition information, a plurality of content sequences indicating pieces of interrelated content in at least one content category; and provide the external electronic device with at least some of the plurality of content sequences, which are used to provide a recommended content sequence in the external electronic device.