Re: .htaccess a major bottleneck to Semantic Web adoption / Was: Re: RDFa vs RDF/XML and content negotiation

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...


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] <>

martin hepp
e-business & web science research group
universitaet der bundeswehr muenchen

phone:   +49-(0)89-6004-4217
fax:     +49-(0)89-6004-4620
www: (group) (personal)
skype:   mfhepp 
twitter: mfhepp

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Received on Wednesday, 1 July 2009 16:03:13 UTC