Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Mining the Structure of User Activity using Cluster Stability (.pdf) (01 Apr 2002) Article URL: http://www2.parc.com/istl/projects/uir/pubs/pdf/UIR-R-2002-02-Heer-SIAM-ClusterStability.pdf Read 9 more articles from Xerox Parc sorted by date, popularity, or title. Next Article: My PhD: Kit Logan This site is a labour of love built by Chris McEvoy