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Re: Fwd: Metadata statistics from Yahoo! Search

From: Pierre-Antoine Champin <pierre-antoine.champin@liris.cnrs.fr>
Date: Thu, 19 Apr 2012 00:14:31 +0200
Message-ID: <4F8F3CC7.3000008@liris.cnrs.fr>
To: Daniel Park <soohongp@gmail.com>
CC: "public-media-annotation@w3.org" <public-media-annotation@w3.org>
Hi Daniel,

I'm sorry but I don't see your point here.

To which new format do you want to expand our mapping?

Anyway, we have an RDF version of our ontology, so RDFa looks like the
most straightforward way to embed our metadata in HTML.


On 04/18/2012 02:37 AM, Daniel Park wrote:
> fyi,
> as long as contents are generated on the web, metadata issue is
> forever, and our mapping MUST be expanded accordingly.
> let's see how we can cope with this new metadata dataset from our
> mapping perspective.
> any idea or thought ?
> Regards, Daniel.
> ---------- Forwarded message ----------
> From: Peter Mika <pmika@yahoo-inc.com>
> Date: Wed, Apr 18, 2012 at 12:06 AM
> Subject: Metadata statistics from Yahoo! Search
> To: "public-vocabs@w3.org" <public-vocabs@w3.org>, "public-lod@w3.org"
> <public-lod@w3.org>
> Hi All,
> To add one more data point to the previous discussion about
> webdatacommons.org, we have recently presented a short position paper
> at the LDOW 2012 workshop at WWW 2012. Online at
> http://events.linkeddata.org/ldow2012/papers/ldow2012-inv-paper-1.pdf
> Please compare this carefully with the results of Bizer et al.:
> http://events.linkeddata.org/ldow2012/papers/ldow2012-inv-paper-2.pdf
> As it always the case with statistics, it matters what you count on
> and how you count ;) For example, Chris and his co-authors did not
> consider most of OGP data on the Web, which results in large
> discrepancies in the counts for RDFa, as well as overall counts.
> Nevertheless, both studies confirm that the Semantic Web, and in
> particular metadata in HTML, is taking on in major ways thanks to the
> efforts of Facebook, the sponsors of schema.org and many other
> individuals and organizations. Comparing to our previous numbers, for
> example we see a five-fold increase in RDFa usage with 25% of webpages
> containing RDFa data (including OGP), and over 7% of web pages
> containing microdata. These are incredibly impressive numbers, which
> illustrate that this part of the Semantic Web has gone mainstream.
> Cheers,
> Peter

Received on Wednesday, 18 April 2012 22:15:01 UTC

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