"finds dates, and other data types, heuristically" -- I'm sure Google would 
rather not, but that's life on the web.

Google also supports JSON-LD which is a W3 standard for semi-structured and 
linked data. JSON-LD defines "in-band" syntax for dates, all XSD data 
types, and arbitrary data types (including but not exclusively those 
defined at http://schema.org/docs/full.html )



On Saturday, January 18, 2014 12:00:09 PM UTC-8, Brian Craft wrote:
>
> Regarding Rich's talk (http://www.youtube.com/watch?v=ROor6_NGIWU), can 
> anyone explain the points he's trying to make about self-describing and 
> extensible data formats, with the JSON and google examples?
>
> He argues that google couldn't exist if the web depended on out-of-band 
> schemas. He gives as an example of such a schema a JSON encoding where an 
> out-of-band agreement is made that field names with substring "date" refer 
> to string-encoded dates.
>
> However, this is exactly the sort of thing google does. It finds dates, 
> and other data types, heuristically, and not through the formats of the web 
> being self-describing or extensible.
>
>
>

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