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Re: What determines a Product?

From: Pravir Gupta <pravir@google.com>
Date: Thu, 13 Oct 2011 16:48:51 -0700
Message-ID: <CAKX3dEnEKR3x-XG+SM+7b7Vp79JCuy=ox5+0hciQWdhZiiSjkA@mail.gmail.com>
To: Martin Hepp <martin.hepp@ebusiness-unibw.org>
Cc: Chacha Slayton <charlene.c.slayton@gmail.com>, Dan Brickley <danbri@danbri.org>, public-vocabs@w3.org
Chacha,
 you can model this with schema.org as Product which has multiple Offers. So
the product will have one image, description, etc. and then each Offer will
have price, etc.
Example page that has this markup -
http://www.ebay.com/ctg/Logitech-Revue-/97019743

-Pravir

On Thu, Oct 13, 2011 at 9:52 AM, Martin Hepp <
martin.hepp@ebusiness-unibw.org> wrote:

> Hi Chacha:
>
> GoodRelations has a property
>   http://purl.org/goodrelations/v1#isVariantOf
> that can be used to model many variants for a single base product with
> ease.
>
> It should be possible to use this with schema.org in combination as of
> now.
>
> Martin
>
> On Oct 13, 2011, at 6:25 PM, Chacha Slayton wrote:
>
> > Hi Dan,
> >
> > Here are some real world examples, where products have unique part
> numbers (UPC codes) but all share the same product description.
> >
> > http://www.go2marine.com/product.do?no=93408F
> >
> > http://www.go2marine.com/product.do?no=155840F
> >
> > Charlene
> >
> >
> >
> > On Tue, Oct 11, 2011 at 1:47 PM, Dan Brickley <danbri@danbri.org> wrote:
> > On 11 October 2011 01:57, Chacha Slayton <charlene.c.slayton@gmail.com>
> wrote:
> > > Hello,
> > >
> > > I think there is may be a conflict in the schema.org mark-up and the
> search
> > > engine's requirements that could very likely produce duplicate content.
> This
> > > may be an issue with other e-commerce web sites.
> > >
> > > It appears that the mark-up only supports a single product per page as
> > > opposed to multiple products (product variations) as in the case of
> clothing
> > > (ie. products with different sizes and colors, applications, but unique
> UPC
> > > codes or part numbers for each variant). Please let me know if there is
> > > support for in these instances.
> >
> > As I understand the Schema.org vocabulary, and it's supporting
> > notations (microdata and RDFa), you should be able to describe many
> > different products within a single page. This is of course quite a
> > separate issue from the question of which search engine products will
> > actually understand each combination of terms.
> >
> > In the FAQ entry comparing Facebook's RDFa Open Graph markup with
> > Schema.org, the answer does make clear this intent to describe things
> > quite richly:
> >
> > http://schema.org/docs/faq.html#4
> > """Q: How does schema.org relate to Facebook Open Graph?
> > Facebook Open Graph serves its purpose well, but it doesn't provide
> > the detailed information search engines need to improve the user
> > experience. A single web page may have many components, and it may
> > talk about more than one thing. If search engines understand the
> > various components of a page, we can improve our presentation of the
> > data. Even if you mark up your content using the Facebook Open Graph
> > protocol, schema.org provides a mechanism for providing more detail
> > about particular entities on the page.
> > For example, a page about a band could include any or all of the
> following:
> > A list of albums
> > A price for each album
> > A list of songs for each album, along with a link to hear samples of each
> song
> > A list of upcoming shows
> > Bios of the band members"""
> >
> >
> > > In order to not produce duplicate content, we typically form a “family
> page”
> > > with all the pertinent information (i.e. photo, product description)
> and the
> > > variations as “children” listed below. Therefore, we have the following
> > > information ALL on one page:
> > [...]
> > > Not to belabor the point, but here is another example, if you purchase
> a
> > > sweater and there are multiple sizes, it doesn’t make any sense to have
> a
> > > separate product description for each size when the only variation is
> the
> > > size. However, each size has its own price, weight, upc code, stock
> level,
> > > item no, etc.
> > >
> > > Obviously we could have separate pages with slightly different product
> > > descriptions, but this would be a step backward for the customer who is
> used
> > > to picking out a product and selecting the size, color, voltage or
> other
> > > minor variations. How do we properly format the mark-up in our case? Do
> all
> > > products (unique skus) need their own product descriptions and or URLs?
> > > Maybe the big question here is -what determines a product?
> >
> > I can't answer that bigger question ("what determines a product"), but
> > thank you for supplying a complete example. It could be useful to base
> > some examples on this. Do you have any URLs of public sites with this
> > kind of data, so we can make a full realistic example?
> >
> > Dan
> >
> > ps. copying Pravir who might have thoughts on specifics re Google rich
> snippets
> >
>
>
Received on Thursday, 13 October 2011 23:49:37 GMT

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