why provenance matters :-)

from today's Guardian (how timely)

"Advertising Standards Authority says it is possible that some reviews on travel website could be 'non-genuine' "

http://www.guardian.co.uk/media/2012/feb/01/tripadvisor-criticise-honest-contribution-claim

-Paolo

-- 
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Paolo Missier - Paolo.Missier@newcastle.ac.uk, pmissier@acm.org
School of Computing Science, Newcastle University,  UK
http://www.cs.ncl.ac.uk/people/Paolo.Missier