Re: What is the correct media-type for a Hydra specification?

On 4/14/15 2:39 AM, Erik Wilde wrote:
>
> RDF, on the other hand, typically only exposes its metamodel and uses 
> the media type for serialization variants, assuming that saying "it's 
> RDF" is good enough. this makes resources self-describing *once you 
> process them*. 

RDF and metamodel is confusing characterization.
RDF is a Language (system of signs, syntax, and role semantics for 
encoding and decoding information [data in some context]).
RDF enables us express [in a form comprehensible to humans and machines] 
the fact that things exist in relation to other things, in a variety of 
ways, using a variety notations [how the sentences of a language are 
represented].

<link/> and HTTP "Link:" are valid notations for representing relations 
using RDF too. Unfortunately, that isn't emphasized in most RDF related 
literature.

RDF is really a retrospective standardization of an aspect of the Web's 
fundamental design. Basically, the Web was always be about signs (in the 
form of HTTP URIs), syntax (triples or 3-tuples), and role semantics 
[1]. That's why "Link:" and <link/> are so powerful in regards to 
conveying the nature of the relationships types they facilitate. Their 
only shortcomings lies in their specificity to HTTP and HTML, 
respectively. RDF (the Language) doesn't have those limitations.

Links:

[1] 
http://bit.ly/evidence-that-the-world-wide-web-was-based-on-linked-data-from-inception

-- 
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Kingsley Idehen 
Founder & CEO
OpenLink Software
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