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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] GoodRelations & Affiliate Marketing: Understanding the Power of the Schema

Martin Hepp (UniBW) martin.hepp at ebusiness-unibw.org
Mon Sep 28 13:53:08 CEST 2009


Dear all:

The new German E-Commerce legislation requires listing shipment and 
delivery charges directly with the price per item.

This gives a nice showcase to illustrate the power of the GoodRelations 
vocabulary for exchanging offer data for affiliate business.

With a simply query as shown below, you could get the unit price 
(?pvalue) and the shipment charges (?svalue)  from your offer data.

# List offers that have unit price and delivery charge data

SELECT DISTINCT ?o, (?pvalue + ?svalue), ?pvalue, ?svalue, ?pcur WHERE {
?o a gr:Offering.
?o rdfs:label ?label.
?o gr:hasPriceSpecification ?p.
?p a gr:UnitPriceSpecification.
?p gr:hasCurrency ?pcur.
?p gr:hasCurrencyValue ?pvalue.
?o gr:hasPriceSpecification ?s.
?s a gr:DeliveryChargeSpecification.
?s gr:hasCurrency ?scur.
?s gr:hasCurrencyValue ?svalue.
FILTER (?pcur = ?scur)
}

You could also list all business entities whose offers are missing 
delivery charge data for at least one offer:

# List business entities whise offers lack delivery charge data

SELECT DISTINCT ?b, ?name {
?b a gr:BusinessEntity.
?b gr:legalName ?name.
?b gr:offers ?o.
?o a gr:Offering.
?o gr:hasPriceSpecification ?p.
?p a gr:UnitPriceSpecification.
OPTIONAL
{?o gr:hasPriceSpecification ?s.
?s a gr:DeliveryChargeSpecification.
?s gr:hasCurrency ?scur.
?s gr:hasCurrencyValue ?svalue.
}
FILTER (!BOUND(?s))
}

For more recipes and examples, see the developer's wiki at

http://www.ebusiness-unibw.org/wiki/GoodRelations


Best wishes

Martin Hepp

PS: You can try those queries on a small subset of GoodRelations data via
http://loc.openlinksw.com/sparql

-- 
--------------------------------------------------------------
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 GoodRelations for E-Commerce on the Web of Linked Data!
=================================================================

Webcast:
http://www.heppnetz.de/projects/goodrelations/webcast/

Recipe for Yahoo SearchMonkey:
http://tr.im/rAbN

Talk at the Semantic Technology Conference 2009: 
"Semantic Web-based E-Commerce: The GoodRelations Ontology"
http://tinyurl.com/semtech-hepp

Talk at 

Overview article on Semantic Universe:
http://tinyurl.com/goodrelations-universe

Project page:
http://purl.org/goodrelations/

Resources for developers:
http://www.ebusiness-unibw.org/wiki/GoodRelations

Tutorial materials:
CEC'09 2009 Tutorial: The Web of Data for E-Commerce: A Hands-on Introduction to the GoodRelations Ontology, RDFa, and Yahoo! SearchMonkey 
http://tr.im/grcec09

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