Determining User Qualifications for Cohorts

原文（中国語）

In one embodiment, a method includes storing, in a query database of a backend system, and for each of a plurality of users, a set of user-supplied information in response to a set of one or more queries created by a merchant and accessing, for each of the users, one or more email folders from one or more email accounts of the user. The method further includes determining, for each of a plurality of emails, whether the email corresponds to one or more criteria in a cohort; if so, then storing, in the query database and associated with the user, information in that email that corresponds to the one or more criteria; and determining, from the query database, whether each of a plurality of users of the backend system satisfy the criteria of cohorts.