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Re: Can a Product also be a Service or does it require a MTE?

From: <martin.hepp@ebusiness-unibw.org>
Date: Tue, 3 Jun 2014 19:14:12 +0200
Cc: W3C Web Schemas Task Force <public-vocabs@w3.org>
Message-Id: <64CC404B-F2A5-4416-8ACD-96E654ED1EDB@ebusiness-unibw.org>
To: Jarno van Driel <jarnovandriel@gmail.com>

On 03 Jun 2014, at 11:25, Jarno van Driel <jarnovandriel@gmail.com> wrote:

> After reading the description of http://schema.org/Product I got a bit confused. It says:
> "Any offered product or *service*. For example: a pair of shoes; a concert ticket; *the rental of a car*; *a haircut*; or an episode of a TV show streamed online."
As for rental etc. of physical products: This is straightforward, since the bundle of rights offered by the offer is defined by the gr/schema:BusinessFunction. When you rent a car, you just obtain temporary usage etc. See the definitions at



> The 'service' mentioned made twitch a bit since I thought we have http://schema.org/Service for this. Now I looked up ProductOrService on the Goodrelations site (http://wiki.goodrelations-vocabulary.org/Documentation/Product_or_Service) and this page mentions 3 types of Product entities specifically but doesn't mention Service.

schema:Product is equivalent to gr:ProductOrService. The reason for the naming difference is that schema:Product existed before GR was integrated.

The subtypes of schema:Product / gr:ProductOrService are for indicating more precisely whether you are talking of

- a concrete individual (e.g. a car with a VIN, a computer with a serial number, ...)
- a bag of anonymous products (a bit complicated to explain, I admit) and
- a product model, essentially a datasheet that defines properties for actualy products.

> So if it's true that Product also can mean a service, than in which case is one supposed to use Service? 

In essence, being a product is a role that a thing can take by being the object of an offer. schema:Product is not disjoint with any other type, so you can also offer a company, a place, a CreativeWork, etc.

> And if a Product also can be a Service, would one then only use a Multiple-Type-Entity like 'Product Service' when the Product needs properties that are part of Service (or inversed)? 

If you need properties from another type for describing the product, then a multi-typed entity is the proper way of modeling, yes.


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> Jarno van Driel
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Received on Tuesday, 3 June 2014 17:14:43 UTC

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