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GoodRelations - The Web Vocabulary for E-Commerce

This is the archive of the goodrelations dicussion list

GoodRelations is a standardized vocabulary for product, price, and company data that can (1) be embedded into existing static and dynamic Web pages and that (2) can be processed by other computers. This increases the visibility of your products and services in the latest generation of search engines, recommender systems, and other novel applications.

[goodrelations] W3C plans to add the GoodRelations to the RDFa 1.1 default profile

Martin Hepp martin.hepp at ebusiness-unibw.org
Thu Jun 9 22:23:41 CEST 2011 

Dear all:

Good news for GoodRelations: The W3C plans to add the GoodRelations prefix "gr:" to the (pretty restrictive) list of predefined prefixes in the RDFa 1.1 default profile.

This means that a RDFa 1.1 processor will understand GoodRelations markup (and other popular vocabularies) without the need to define the respective prefixes. This simplifies the respective markup a lot.

For GoodRelations scenarios, the following are the most important prefixes included in the default profile:

dcterms	http://purl.org/dc/terms/
foaf	http://xmlns.com/foaf/0.1/
gr	http://purl.org/goodrelations/v1#
rev	http://purl.org/stuff/rev#
v	http://rdf.data-vocabulary.org/#
vcard	http://www.w3.org/2006/vc

<div
  xmlns:foaf="http://xmlns.com/foaf/0.1/"
  xmlns:gr="http://purl.org/goodrelations/v1#"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
  xmlns:v="http://rdf.data-vocabulary.org/#"
  typeof="gr:Offering" about="#product_data">  
   <span property="gr:name">Hepp Personal SCSI Controller Card</span>
   <span rel="foaf:depiction">
      <img src="pscsi.jpg" alt="Product image" />
   </span>
   <span rel="v:hasReview">
      <span typeof="v:Review-aggregate" about="#review_data"> Average rating: 
         <span property="v:rating" datatype="xsd:string">4.9</span>, based on 
         <span property="v:count" datatype="xsd:string">99</span> reviews
      </span>
   </span>
   <div rel="foaf:page" resource=""></div>
</div>

can be simplified to 

<div typeof="gr:Offering" about="#product_data">  
   <span property="gr:name">Hepp Personal SCSI Controller Card</span>
   <span rel="foaf:depiction">
      <img src="pscsi.jpg" alt="Product image" />
   </span>
   <span rel="v:hasReview">
      <span typeof="v:Review-aggregate" about="#review_data"> Average rating: 
         <span property="v:rating" datatype="xsd:string">4.9</span>, based on 
         <span property="v:count" datatype="xsd:string">99</span> reviews
      </span>
   </span>
   <div rel="foaf:page" resource=""></div>
</div>

That is great news!

Best wishes

Martin Hepp


Links:
[1] http://www.w3.org/profile/rdfa-1.1#crawl
[2] http://www.w3.org/blog/SW/2011/06/09/what_are_the_most_widely_used_vocabulari

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