1. A document clustering method comprising: providing a document set comprising a plurality of documents; providing a cluster comprising a subset of the documents of the document set, wherein the subset comprises a plurality of the documents; using a plurality of terms of the documents of the cluster which are indicative of subject matter content of the documents of the cluster, selecting a cluster label indicative of the subject matter content of the documents of the cluster, wherein the cluster label is selected at least in part by co-occurrence of the cluster label and the plurality of terms of the documents of the cluster and wherein the cluster label comprises a plurality of word senses; and selecting one of the word senses of the cluster label having an increased relevancy with respect to the plurality of terms of the documents of the cluster compared with the relevancies of others of the word senses.