I couldn't find anything definitive, but here are some papers on the topic: http...

		joeyo on Aug 3, 2009 \| parent \| context \| favorite \| on: Can We Please Kill This Meme Now I couldn't find anything definitive, but here are some papers on the topic: http://mint.typepad.com/mypapers/pp017-lizorkin.pdf http://www.fran.it/articles/wikimania_bellomi_bonato.pdf http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?tp=arnumber=4...