- From: Martin Hepp (UniBW) <martin.hepp@ebusiness-unibw.org>
- Date: Wed, 08 Jul 2009 13:59:00 +0200
- To: martin.hepp@ebusiness-unibw.org
- CC: Mark Birbeck <mark.birbeck@webbackplane.com>, public-lod@w3.org, semantic-web at W3C <semantic-web@w3c.org>
- Message-ID: <4A548A04.2080900@ebusiness-unibw.org>
Google has just changed the wording of the documentation:
http://knol.google.com/k/google-rich-snippets/google-rich-snippets/32la2chf8l79m/1#
The mentioning of cloaking risk is removed. While this is not final
clearance,
it is a nice sign that our concerns are heard.
Best
Martin
Martin Hepp (UniBW) wrote:
> Dear all:
> Fyi - I am in contact with Google as for the clarification of what
> kind of empty div/span elements are considered acceptable in the
> context of RDFa. It may take a few days to get an official statement.
> Just so that you know it is being taken care of...
>
> Martin
>
>
>
> Mark Birbeck wrote:
>> Hi Martin,
>>
>>
>>> b) download RDFa snippet that just represents the RDF/XML content
>>> (i.e. such
>>> that it does not have to be consolidated with the "presentation
>>> level" part
>>> of the Web page.
>>>
>>
>> By coincidence, I just read this:
>>
>> Hidden div's -- don't do it!
>> It can be tempting to add all the content relevant for a rich snippet
>> in one place on the page, mark it up, and then hide the entire block
>> of text using CSS or other techniques. Don't do this! Mark up the
>> content where it already exists. Google will not show content from
>> hidden div's in Rich Snippets, and worse, this can be considered
>> cloaking by Google's spam detection systems. [1]
>>
>> Regards,
>>
>> Mark
>>
>> [1]
>> <http://knol.google.com/k/google-rich-snippets/google-rich-snippets/32la2chf8l79m/1#>
>>
>>
>>
>
--
--------------------------------------------------------------
martin hepp
e-business & web science research group
universitaet der bundeswehr muenchen
e-mail: mhepp@computer.org
phone: +49-(0)89-6004-4217
fax: +49-(0)89-6004-4620
www: http://www.unibw.de/ebusiness/ (group)
http://www.heppnetz.de/ (personal)
skype: mfhepp
twitter: mfhepp
Check out the GoodRelations vocabulary for E-Commerce on the Web of Data!
========================================================================
Webcast:
http://www.heppnetz.de/projects/goodrelations/webcast/
Talk at the Semantic Technology Conference 2009:
"Semantic Web-based E-Commerce: The GoodRelations Ontology"
http://tinyurl.com/semtech-hepp
Tool for registering your business:
http://www.ebusiness-unibw.org/tools/goodrelations-annotator/
Overview article on Semantic Universe:
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Project page and resources for developers:
http://purl.org/goodrelations/
Tutorial materials:
Tutorial at ESWC 2009: The Web of Data for E-Commerce in One Day: A Hands-on Introduction to the GoodRelations Ontology, RDFa, and Yahoo! SearchMonkey
http://www.ebusiness-unibw.org/wiki/GoodRelations_Tutorial_ESWC2009
Received on Wednesday, 8 July 2009 12:10:32 UTC