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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] Using Google category information with GoodRelations

Martin Hepp martin.hepp at ebusiness-unibw.org
Mon Oct 17 09:48:04 CEST 2011

Dear all:

If you want to help Google and other consumers of your data to spot the best place for putting your product or offer, you should use the GoodRelations property 


in combination with the Google category name from


Make sure to attach the proper language tag, i.e. "en" for English so that clients know the language of your category label.

Examples in RDFa

a) Product
<div typeof="gr:SomeItems vso:Canoe" about="#product">
  <span property="g:name">ACME Foldable Canoe</span>
  <div property="gr:category" content="Sporting Goods > Water Sports > Boating > Canoeing > Canoes"></div>

b) Offer
<div typeof="gr:Offering" about="#offer">
  <div property="gr:name">Hepp Personal SCSI Controller Card</div>
  <div property="gr:description">The Hepp Personal SCSI is a 16-bit add-on card that allows 
attaching up to seven SCSI devices to your computer.</div>
  <div property="gr:category" content="Electronics > Computers > Computer Components > I/O Cards" ></div>

Examples in Microdata

a) Product
<div itemscope itemtype="http://purl.org/goodrelations/v1#ProductOrServiceModel" itemid="#product">
  <span itemprop="name">ACME Foldable Canoe</span>
  <meta itemprop="category" content="Sporting Goods > Water Sports > Boating > Canoeing > Canoes">

b) Offer
<div itemscope itemtype="http://purl.org/goodrelations/v1#Offering" itemid="#offer">
  <div itemprop="name">Hepp Personal SCSI Controller Card</div>
  <div itemprop="description">The Hepp Personal SCSI is a 16-bit 
add-on card that allows attaching up to seven SCSI devices to your computer.</div>
  <meta property="category" content="Electronics > Computers > Computer Components > I/O Cards">

If you want to the gr:category in Microdata for itemtypes from other vocabularies, you must use the full URI


Best wishes

Martin Hepp

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

e-mail:  hepp at ebusiness-unibw.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 GoodRelations for E-Commerce on the Web of Linked Data!
* Project Main Page: http://purl.org/goodrelations/

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