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Clustering strings

Revisiting an old idea (Clustering taxonomic names) I've added code to cluster strings into sets of similar strings to the phyloinformatics course site.

This service (available at takes a list of strings, one per line, and returns a list of clusters. For example, given the names

Ferrusac 1821
Bonavita 1965
Ferussa 1821
Lamarck 1812
Ferussac 1821

the service finds three clusters, displayed here using Google images:

(Note to self, investigate canviz as an alternative for displaying graphviz graphs.)

If you are curious, these strings are taxonomic authorities associated with the name Helicella, and based on this clustering there are three taxonomic names, one of which has three different variations of the author's name.