Abstract: The present disclosure relates to computer-implemented methods, software, and systems for allowing a client to control characteristics of a response to a data query using data classification. One computer-implemented method includes receiving a request for a data set from a client, the request including one or more request parameters indicating one or more characteristics for a result set, identifying a set of disjointed classes associated with the data set, the identification based at least in part on the one or more request parameters, the set of classes comprises the entire data set, associating the set of classes with a set of class representatives, each class in the set of classes associated with a class representative from the set of class representatives, and presenting the set of class representatives to the client.