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Hi Michael,

Thanks for your question. There are several ways of modeling coupon-information in GoodRelations:

> 
> Hi all,
>  
> I was curious to know if there are current activities or potential user scenarios that use GoodRelations in the context of coupons? Is there a coupon ontology extension or perhaps a way that GoodRelations can help to specify coupons?
>  


1. Gift Vouchers
If the coupon has a money equivalent and is basically a method of payment, then your type of coupon is an instance of gr:PaymentMethod. Attach this type to the offers for which it can be turned in.

foo:GiftVoucher a gr:PaymentMethod ;
gr:name "ACME Gift Vouchers (gr:PaymentMethod)" .


foo:Offer0001 a gr:Offering ;
	gr:acceptedPaymentMethods foo:GiftVoucher.

You may then also want to model that one can buy gift vouchers, which would happen by creating a product class

foo:ACMEGiftVouchers a owl:Class ;
	rdfs:subClassOf gr:ProductOrService ;
	gr:name "ACME Gift Vouchers" .

and two properties

foo:value a owl:DatatypeProperty ;
	rdfs:subPropertyOf gr:datatypeProductOrServiceProperty .

foo:currency a owl:DatatypeProperty ;
	rdfs:subPropertyOf gr:datatypeProductOrServiceProperty .

Then, you can offer individual gift vouchers for sale:

foo:GiftVoucher20USD a foo:ACMEGiftVouchers, gr:SomeItems ;
	foo:value 20.00 ;
	foo:currency "USD"^^xsd:string .

foo:Offer0002 a gr:Offering ;
	gr:includes foo:GiftVoucher20USD ;
	gr:hasPriceSpecification [a gr:UnitPriceSpecification ; 
				  gr:hasCurrency "USD"^^xsd:string ; 
 				  gr:hasCurrencyValue 20.00 ; 
				  gr:validThrough "2011-31-12"^^xsd:datetime ] .

2. Coupons that entitle you to obtain a product or service at a reduced price (in the Groupon sense)

In this case, you could model a special offer (gr:Offering) and constrain it's validity to a special audience via gr:eligibleCustomerTypes.

foo:SummerSaleCoupon a gr:BusinessEntityType ;
	gr:name "Summer Sale Coupon must be presented" .

foo:Offer0003 a gr:Offering ;
	gr:eligibleCustomerTypes foo:SummerSaleCoupon ;
	gr:hasPriceSpecification [a gr:UnitPriceSpecification ; 
				  gr:hasCurrency "USD"^^xsd:string ; 
 				  gr:hasCurrencyValue 10.00 ; 
				  gr:validThrough "2011-31-12"^^xsd:datetime ] .	


I have been thinking about a special coupon extension for GoodRelations; this is on our radar. If there is significant interest, i.e. potential real-world adopters, we can make this a priority.

Best wishes

Martin Hepp

On Jun 14, 2011, at 10:26 PM, Shepherd, Michael wrote:

> Hi all,
>  
> I was curious to know if there are current activities or potential user scenarios that use GoodRelations in the context of coupons? Is there a coupon ontology extension or perhaps a way that GoodRelations can help to specify coupons?
>  
> Thanks!
> Mike
>  
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