Described herein is a computer implemented method for identifying one or more classifications for a particular ticket maintained by an issue tracking system. The method comprises: receiving data in respect of the particular ticket; retrieving cluster data in respect of a set of clusters; calculating cluster membership data in respect of the particular ticket; and identifying, based on the cluster membership data, one or more specific clusters from the set of clusters. For each specific cluster a classification associated with the specific cluster is identified and returned.