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Re: new Primer

From: Ivan Herman <ivan@w3.org>
Date: Tue, 01 Apr 2008 08:53:58 +0200
Message-ID: <47F1DC06.9090007@w3.org>
To: Ben Adida <ben@adida.net>
CC: RDFa <public-rdf-in-xhtml-tf@w3.org>


Ben Adida wrote:
> Ivan Herman wrote:
>> It may be worth adding a bit more about the power of SPARQL here. It 
>> would be better to bind it to the example, so, eg: extract the names 
>> of all persons Alice knows. (Adding the SPARQL query for the geeks is 
>> also possible...)
> 
> I wrestled with this one quite a bit. In fact, the mention of SPARQL is 
> in there in the first place because Michael prompted me to do it, and I 
> eventually agreed that hinting at the power of SPARQL would be the right 
> thing to do.
> 
> But, thinking back to my earliest experience with RDF... I would not 
> want HTML authors to have to grok an actual SPARQL query right away. I 
> think the abstract power of "you can query this stuff" is enough.
> 
> However, I think your point about binding the abstract SPARQL to the 
> example is correct. How about "friends of Alice's who created items 
> whose title contains the word 'Bob'" ?
> 

Well, it could be even more down to Earth for outsiders: Bob can create 
a similar graph of his social network, and you can trivially use SPARQL 
to answer the question: what friends have Alice and Bob in common? Of 
what are the email addresses and/or homepages of all those common friends?

Ivan


>> (Mini, mini comment: if you want to refer to N3, you should rather 
>> refer to the team submission. Either N3 or Turtle...)
> 
> Sounds good.
> 
> Both updates have been made to the live version.
> 
> -Ben
> 

-- 

Ivan Herman, W3C Semantic Web Activity Lead
Home: http://www.w3.org/People/Ivan/
PGP Key: http://www.ivan-herman.net/pgpkey.html
FOAF: http://www.ivan-herman.net/foaf.rdf

Received on Tuesday, 1 April 2008 06:54:29 UTC

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