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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] [Fwd: Re: [Fwd: UN/CEFACT Common Code for Units - Update]]

Martin Hepp (UniBW) hepp at ebusiness-unibw.org
Wed Jul 15 10:40:44 CEST 2009

Dear all:

We checked that the update of the UN/CEFACT Common Codes for Units (from 
revision 4 to the most recent revision 6)
did not affect any of the popular codes listed at


A big thanks to Tobias Ostheim for looking into this!

Best wishes

Martin Hepp

> -------- Original Message --------
> Subject: 	UN/CEFACT Common Code for Units - Update
> Date: 	Fri, 10 Jul 2009 12:37:50 +0200
> From: 	Martin Hepp (UniBW) <martin.hepp at ebusiness-unibw.org>
> Reply-To: 	martin.hepp at ebusiness-unibw.org
> Organization: 	http://www.heppnetz.de
> To: 	goodrelations at ebusiness-unibw.org
> Dear all:
> There is an update of the UN/CEFACT Common Code for units specification
> (aka "Recommendation 20"), which is used by GoodRelations for units of
> measurements of quantitative values.
> The new version is at
> http://www.unece.org/cefact/recommendations/rec20/Rec20_Rev6e_2009.xls
> The previously used version for GoodRelations is at
> http://www.unece.org/cefact/recommendations/rec20/rec20_rev4E_2006.xls
> Effective immediately, the range of
> gr:hasUnitOfMeasurement
> (http://purl.org/goodrelations/v1.html#hasUnitOfMeasurement)
> changes to Revision 6 (official symbol: CEFACT/ICG/2009/IC011).
> The ontology specification has not changed.
> Since the UN/CEFACT puts a lot of effort into keeping revision changes
> backward compatible, this will not require immediate action for almost
> anybody.
> The UN/CEFACT overview page is a
> http://www.unece.org/cefact/recommendations/rec_index.htm
> Best wishes
> Martin Hepp

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

e-mail:  mhepp at 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!


Talk at the Semantic Technology Conference 2009: 
"Semantic Web-based E-Commerce: The GoodRelations Ontology"

Tool for registering your business:

Overview article on Semantic Universe:

Project page and resources for developers:

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


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