The presentation I held on Wikimania last summer (
http://wikimania2012.wikimedia.org/wiki/Submissions/Efficient_and_flexible_…)
is now downloadable from Hungarian chapter's wiki.
See
http://meta.wikimedia.org/wiki/User:Bin%C3%A1ris#Wikimania_2012 for
link and sample pages.
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Bináris