W3C home > Mailing lists > Public > public-rdf-wg@w3.org > May 2013

RE: RDF-ISSUE-129 Re: json-ld-api: change proposal for handling of xs:integer

From: Markus Lanthaler <markus.lanthaler@gmx.net>
Date: Mon, 13 May 2013 17:00:03 -0300
To: "'Sandro Hawke'" <sandro@w3.org>
Cc: "'W3C RDF WG'" <public-rdf-wg@w3.org>
Message-ID: <003e01ce5014$77a19810$66e4c830$@lanthaler@gmx.net>
On Monday, May 13, 2013 4:49 PM, Sandro Hawke wrote:
> Sorry, the flag doesn't really help in the scenario I provided above,
> where someone is serving JSON-LD to an unknown client.  I would argue
> this is the expected, majority use case.  (I guess the other one that

I see, you are concerned about systems exchanging JSON-LD. Then the
situation is exactly the same as with exchanging JSON. Not sure we
should/can change that.


> might be common is reading RDF and converting it to JSON-LD for
> internal
> use as a kind API to the data?)  And in this use case, if the server
> sets useNativeTypes=true, it's going to be providing data that for some
> data values the client will get either the wrong RDF data value and/or
> the wrong RDF data type.
> 
> In other words with useNativeTypes turned on, JSON-LD is not a faithful
> RDF syntax.

JSON-LD the data format is.. the problem are the (JSON) parsers. 


> Given that -- which you all seem invested in -- maybe we should go all
> the way and convert all RDF numeric literals to native JSON numbers.
> It
> makes the lossy-but-convenient conversion even more convenient and
> lossy
> in a less-surprising way.    Rather than weirdly having *some* doubles
> turned into integers in the rdf->json->rdf round trip, we'd just have
> (I
> propose) EVERY numeric literal turned into an xs:double.   Certainly
> that's what pretty much every JavaScript coder would want/expect with
> useNativeTypes=true.
> 
> I'd also suggest we say the people SHOULD NOT publish JSON-LD with
> json-native numbers in it, unless they're fine with them being
> understood in a platform-dependent way.

I would be fine with doing that. As you say, in most cases that's what
people want anyway. I hope we can still get this changes in before
publishing LC2.



--
Markus Lanthaler
@markuslanthaler
Received on Monday, 13 May 2013 20:00:35 UTC

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