10. The method of claim 9 , wherein the plurality of clusters of application state records are determined based on usage data collected from a plurality of user devices, the usage data indicating states of software applications accessed by users of the user devices.
10. The method of claim 9 , wherein the plurality of clusters of application state records are determined based on usage data collected from a plurality of user devices, the usage data indicating states of software applications accessed by users of the user devices. 13. The method of claim 10 , wherein each cluster record indicates a set of feature types on which the cluster of application state records represented by the cluster record was clustered.