1. A method, including: using a data processor to receive context data associated with a context and a user, the context data including information indicative of a category of offerings in a network-based marketplace, the context data identifying at least one category of products or services; automatically discovering context attributes associated with the context, the context attributes being automatically discovered by processing attribute data received from a plurality of other users, the attribute data being related to the at least one category of products or services; associating the context data and the context attributes with a user identifier corresponding to the user; retrieving data associated with the context; and filtering the data according to the context data and the context attributes to create result data relevant to the user identified by the user identifier, the filtering including filtering the result data according to one or more ratings associated with products or services included in the result data.