The last comment in this issue appears to be the instructions for filtering tags by user in django-tagging.
Blog post about django-recommender. Makes it sound more like the django-voting tie-in has a lot more sway than the common tags, but we’ll have a look at the code then, shall we?
A pluggable app for Django that retrieves recommendations (say, users you might want to follow) based on common tags used in the django-tagging app.
A friendly-looking recent tutorial on using the Django Tagging python module.
“Very beta, in this version the intention is for this to allow a moderated community to assist in tagging primarily photographic content, image attachments and such.”