[XESAM] RDF vs .Desktop

[Mikkel Kamstrup Erlandsen]

2007/5/17, Evgeny Egorochkin <phreedom.stdin at gmail.com>:
>
> Just realized that I KISSed examples too much and didn't notice a mistake.
> Need to sleep more :( and stop talking to myself...
>
> Anyway, resource has to have a prefix: or has to be included in <>
> brackets.
>
> Also, I changed field naming to xesam:Audio.composer. This seems to be
> better
> due to Jamie's wish to explicitly link DC and other external ontologies. I
> don't object this either.
>
> These two examples now look like this:
>
> =========    #1      ======================
> =====================================
> @prefix DC:             <http://freedesktop.org/standards/DC#>
> @prefix xesam:  <http://freedesktop.org/standards/xesam#>
> @prefix :                       <
> http://freedesktop.org/standards/xesam_base#>
>
> xesam:Audio.Composer
>         a                       :field;
>         :of_type                :string;
>         :has_parent     DC:Creator;
>         :name           "Composer"@EN;
>         :name           "Композитор"@RU;
>         :description    "Audio composer".
> =====================================
>
> =========     #2    =======================
> You can map rdf:Property to something other like file:Property
> not sure which is better. Any ideas for the prefix since xesam: is now
> used?
> I still strongly advise to use #2 an not #1.
> =====================================
> @prefix rdf:            <http://www.w3.org/1999/02/22-rdf-syntax-ns#>.
> @prefix DC:             <http://freedesktop.org/standards/DC#>
> @prefix type:           <http://freedesktop.org/standards/xesam_base#>
> @prefix xesam:  <http://freedesktop.org/standards/xesam#>
> @prefix :                       <http://www.w3.org/2000/01/rdf-schema#>
>
> xesam:Audio.Composer
>         a                               rdf:Property;
>         :range                  type:string;
>         :subPropertyOf          DC:Creator;
>         :label                  "Composer"@EN;
>         :label                  "Композитор"@RU;
>         :comment                "Audio composer".
> =====================================
>
> Will re-check this when I wake up once more :)
>
> Sorry for confusion.


Thanks the examples.  I think it looks unintuitive that the "a" entry does
not have a :-prefix while the others don't. Also this format clearly contain
superfluous characters, like the leading :'s and trailing ;'s. If you write
a .desktop file it is pretty hard getting syntax errors...

I liked the first example in your first mail the best, but I'm a bit
confused now... Was it valid or invalid? - And why did your prefer the one
with redundant characters?

Cheers,
Mikkel
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