http://search.cpan.org/~mdehoon/Algorithm-Cluster/perl/Cluster.pm http://search.cpan.org/~mdehoon/Algorithm-Cluster/perl/Clust... Full write-up on Drupal.org,

http://search.cpan.org/~mdehoon/Algorithm-Cluster/perl/Cluster.pm http://search.cpan.org/~mdehoon/Algorithm-Cluster/perl/Clust... Full write-up on Drupal.org, awesome CMS we used to build this : http://drupal.org/node/261340 http://drupal.org/node/261340