W3C home > Mailing lists > Public > public-ldp@w3.org > March 2013

Re: Section 4: LDPR/non-LDPR formal definitions

From: Richard Cyganiak <richard@cyganiak.de>
Date: Sat, 23 Mar 2013 23:43:59 +0000
Message-Id: <7A00AA46-F5D2-4005-830E-2D4E96119BDA@cyganiak.de>
Cc: Henry Story <henry.story@bblfish.net>, Martynas Jusevičius <martynas@graphity.org>, "public-ldp@w3.org" <public-ldp@w3.org>
To: Erik Wilde <dret@berkeley.edu>
Erik, I agree that inference shouldn't be necessary to implement an LDP server. But I'm not aware that anyone in this WG suggested otherwise :-)

The fact that JSON's data model is easier to work with than RDF in most programming languages is unfortunate, but it comes sort of with the territory.

Richard


On 23 Mar 2013, at 23:18, Erik Wilde <dret@berkeley.edu> wrote:

> hello richard.
> 
> On 2013-03-23 10:47 , Richard Cyganiak wrote:
>> I'm not sure what point you are trying to get across. I didn't say anything that assumes or requires that LDP clients are “full-blown RDF processing entities”. In fact, I have no idea what a
>> “full-blown RDF processing entity” is.
> 
> the point i am trying to get across is that protocols have processing models. what do you need to do/know to use that protocol? my example was about XSD processing, but that is a different metamodel world. in RDF, something similar to that is doing inferences. if that's something that's *required* to be able to use the protocol, we have very different requirements for implementation than if inferencing is something that implementations may do (for whatever reason), but they don't have to.
> 
> in my mind, the success of JSON (and reduced popularity of XML as a direct result of this) had two major reasons:
> 
> - processing model: JSON is pretty much as easy as it gets, writing a JSON parser is simple, and there are no additional required specs you need to get right (such as the dreaded XML namespaces).
> 
> - model impedance: JSON is just a more natural match to programming language data structures than XML, so developers like the fact that data binding is easier, or basically not necessary at all.
> 
> there is nothing that can be done about the second part once you start building something on a certain metamodel. the first part, though, is under our control, and the LDP design can make this part harder, or easier. i hope this explanation is a bit better to understand.
> 
> thanks and cheers,
> 
> dret.
Received on Saturday, 23 March 2013 23:44:23 UTC

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