W3C home > Mailing lists > Public > public-linked-json@w3.org > October 2011

Re: Type Coercion is confusing (ISSUE-34)

From: Ivan Herman <ivan@w3.org>
Date: Sun, 2 Oct 2011 06:58:29 +0900
Cc: "public-linked-json@w3.org" <public-linked-json@w3.org>
Message-Id: <3BEA2758-398E-42DB-AFB5-713CCF070DE7@w3.org>
To: Manu Sporny <msporny@digitalbazaar.com>
... and I understand all that compactness issue. But, remember Manu, I hit exactly the same issue when I began to read JSON-LD and the current way of spec-ing was very confusing to me. I wonder whether the compactness argument does not lead as in direction of a possible general user confusion and if we have to balance compactness vs. confusing spec, then, well... this reminds me of rdf/xml


On Oct 2, 2011, at 04:53 , Manu Sporny wrote:

> On 09/28/2011 11:27 AM, Gregg Kellogg wrote:
>> In fact, my internal representation is what you suggest. The
>> rationale for the existing rep is that it is much shorter, otherwise
>> a given type would need to be specified once for each property.
> Exactly - we did it this way so that authors wouldn't have to author huge chunks of type coercion sections in their markup. Compare this:
> {
>   "xsd:integer": ["age", "pets", "cars", "children", "siblings"]
> }
> vs. this:
> {
>   "age": "xsd:integer",
>   "pets": "xsd:integer",
>   "cars": "xsd:integer",
>   "children": "xsd:integer",
>   "siblings": "xsd:integer"
> }
> Clearly, the first one is more compact and easier to author.
> The spec started off doing it the way you suggested, Markus. It got old quickly when authoring JSON-LD week after week. As Gregg mentioned, the internal guts of a JSON-LD parser will end up using what you suggest internally, but we believe the top one is easier for authors and less bandwidth intensive.
> -- manu
> -- 
> Manu Sporny (skype: msporny, twitter: manusporny)
> Founder/CEO - Digital Bazaar, Inc.
> blog: Standardizing Payment Links - Why Online Tipping has Failed
> http://manu.sporny.org/2011/payment-links/

Ivan Herman, W3C Semantic Web Activity Lead
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Received on Saturday, 1 October 2011 21:57:49 UTC

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