The disclosure describes techniques to ascertain the quality of a restaurant based on the tipping behavior of patrons. Electronic payment data for payments made using a user device is obtained with user permission. The data is analyzed to determine user satisfaction by comparison with prior tipping behavior. For example, if the user tipped more than usual, it is determined that customer satisfaction was high for that restaurant. When users permit, data for multiple user payments is aggregated to determine restaurant ratings.
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d'Abreu Noronha, Sanjay, "Restaurant ratings based on tipping patterns", Technical Disclosure Commons, (March 27, 2019)