Google: Semantic Web Faces Webmaster Challenges

For years, Sir Tim Berners-Lee has posed the idea of a
semantic web
that will be smarter through tagging. I’ve always
said the
flaw with this idea is that people make mistakes with tagging. Google’s also
said this type of thing before, as well — but Google’s director of search Peter
Norvig gave fresh pushback yesterday when on a panel with Lee.
Google exec challenges
from has the details, with Norvig explaining that site
owners often don’t tag information correctly, along with some simply being
misleading. True enough.

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A screenshot of visual search on Pinterest. On the left is a picture of a copper angle-poise lamp, with the words 'Visually similar results' above it. Down the right-hand side are a number of pins showing similar lamps.
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