We had a great talk at recent SMWCon Spring 2011 on SEO, you check it out at http://semantic-mediawiki.org/wiki/File:SMWCon_2011_SEO_Presentation.pdf. it has more info than extensions and work for mediawiki in general.
Jesse On May 4, 2011 11:02 PM, "Dorem - Jérémie Bouillon" jeremie@dorem.info wrote: