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Re: Proposal for new Schema.org extension: Charts

From: Raza Zaidi <raza@gigaom.com>
Date: Fri, 25 Jan 2013 10:18:40 -0800
Message-ID: <CACaz3KMCwJh+AchSRWBB8bv2KoQRtKMKjn88r92do-TPFw4QEg@mail.gmail.com>
To: Aaron Bradley <aaranged@gmail.com>
Cc: Public Vocabs <public-vocabs@w3.org>
Thanks for the quick reply, Aaron...

The charts have image representations but, as you astutely note, also
alternate representations in SVG and the datasets themselves. I've looked
at ImageObject, Dataset and the aformentioned CreativeWork as possible
starting points. I am (obviously) open to suggestions and definitely don't
want to create something new if an existing one exists.

I have been thinking that some cool new properties could be things like
descriptions of the X-axis and Y-axis...not just the legend/titles but
things like Units. As an example, let's say we produce a chart representing
market forecast for tablets...when doing a search, it would be nice for
results to tell users whether the chart (Y-axis) shows market share by
tablet  units or total dollars...Or if the X-axis units is time in years,
then it would be good for the result to show me the range (eg. 2010 to 2017)

Other properties could be chart type (bar vs. line vs. radar, etc.), the
original research report the chart is from, the location of the dataset
(eg. URL of a .csv file)

We plan to publish our initial proposal somewhere on

thanks again, raza

On Fri, Jan 25, 2013 at 7:54 AM, Aaron Bradley <aaranged@gmail.com> wrote:

> Are the charts in question image files?  And, if so, what sort of
> properties "specific to charts" do you have in mind can't be adequately
> described by ImageObject [1]?
> Having said that, it's possible that there's a case for a "Chart" as a
> more specific type of CreativeWork or ImageObject.  Probably the former, as
> charts can be displayed using mechanisms aside from images, such as SVG
> rendering [2].
> Regarding the best way of going about building an extension [3] that might
> be included in schema.org (and I speak here only from my observations of
> how extensions that have been ended up being moved to the core schema.orgvocabulary), I would suggest that the first step is to start building out
> the extension in a publicly-accessible location where your collaborators at
> GigaOM and others can provide feedback.  This is in part how medical
> additions made their way into schema.org [4], although in aggregate the
> process of building out medical extensions involved a much greater degree
> of collaboration [5] [6].  It has also been the course pursued by the
> Learning Resource Metadata Initiative.
> You'll also learn a lot by looking at the
> "WebSchemas/SchemaDotOrgProposals" page [7], where Dan Brickley states
> (more clearly and eloquently:) the points I've made above, and a lot more.
> Hope this helps!
> [1] http://schema.org/ImageObject
> [2] http://datamarket.com/topic/58/canada (example)
> [3] http://schema.org/docs/extension.html
> [4] http://www.evandavis.org/schema/
> [5] http://lists.w3.org/Archives/Public/public-vocabs/2012Apr/0074.html
> [6] http://blog.schema.org/2012/06/health-and-medical-vocabulary-for.html
> [7] http://www.w3.org/wiki/WebSchemas/SchemaDotOrgProposals
> On Thu, Jan 24, 2013 at 4:05 PM, Raza Zaidi <raza@gigaom.com> wrote:
>> At GigaOM, we've been producing charts for both our news site (
>> http://www.gigaom.com) used in articles and our research site (
>> http://pro.gigaom.com) used in research reports...We've been thinking of
>> extending CreativeWork to have some properties that are specific to charts
>> (and the underlying data)...
>> This whole process is totally new to me...and I'd like some guidance on
>> how to get it out there...we are currently defining it and should be done
>> with that in about one month. We will go back and add the markup to our
>> existing charts...we will also publish the extensions somewhere on
>> gigaom.com ...
>> what then? how do we get it up on the schema.org sites so others can
>> start using as well? when do search engines start noticing??
>> any guidance is appreciated....
>> regards, raza
>> --
>> Raza Zaidi
>> VP of Product & Technology
>> raza@gigaom.com
>> +1(415)713-7495

Raza Zaidi
VP of Product & Technology
Received on Friday, 25 January 2013 18:19:19 UTC

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