Re: Call for maintainers - Musicbrainz RDFa markup

Or vice versa. I have not had much time to work on the mappings (which are
still incomplete - not least, but not only, because Advanced Relations are
a moving target) since LinkedBrainz - the big push being the R2RML
tutorials at ESWC and SemTech - so I wouldn't say that I should be a
bottleneck.

At that point (actually at the SemTech hackathon) I realised I had even
missed a couple of schema changes so more than new ARs were an issue.

I hope that having a R2RML-ready VM, where one can try out new mappings,
and the public github to contribute them to, would make the process more
accessible.

Barry


On Thu, Sep 5, 2013 at 10:32 AM, Alexandre Passant <alex@seevl.net> wrote:

> Hey
>
>
> On Thu, Sep 5, 2013 at 10:28 AM, Barry Norton <barrynorton@gmail.com>wrote:
>
>> Yves, thanks for this call-to-arms: one I also just made yesterday at the
>> ESWC Summer School, where we're busy this week with lots of music-based
>> Linked Data teaching, including using the MusicBrainz R2RML mappings [1]
>> that also owe their existence to the LinkedBrainz project.
>>
>> To be clear about the relationship, LinkedBrainz developed D2RQ mappings
>> alongside the perl code to embed RDFa in the HTML generation process in the
>> MusicBrainz codeset. Since then, as part of the EUCLID project, I have
>> transitioned the mappings to the R2RML standard and found a couple of
>> willing contributors. Unfortunately none of us feel qualified to keep the
>> RDFa in sync.
>>
>
> I'm interested in maintaining the RDFa - as just posted on the MBZ blog,
> pending I can grasp the codebase and the way mappings are generated in the
> HTML.
> What you're saying is that the way it should work is: MBZ schema change =>
> R2RML changes => RDFa change?
>
> Alex.
>
>
>
>> One solution is to find someone who can, and come together to keep the
>> two in sync (already through 3+ significant musicbrainz RDBMS schema
>> changes since the LinkedBrainz project); another is (which would be very
>> sad) to lose the RDFa and re-examine the decision whether separate
>> RDF-resolvable resources could be provided at MB.org or elsewhere.
>>
>> Barry
>>
>> [1] github.com/LinkedBrainz/MusicBrainz-R2RML
>>
>>
>> On Thu, Sep 5, 2013 at 8:55 AM, Yves Raimond <yves.raimond@gmail.com>wrote:
>>
>>> Hello,
>>>
>>> Musicbrainz is a large music database and currently exposes a large
>>> amount of data as RDFa, accounting for quite a big (and useful) part
>>> of the Linked Data cloud. However they're lacking someone to maintain
>>> it going forward, to adapt it to previous and upcoming schema changes:
>>>
>>>   http://blog.musicbrainz.org/2013/09/03/our-rdfa-dilemma/
>>>
>>> Please contact me (or the Musicbrainz development team directly) if
>>> you'd like to take this on and make a significant contribution to the
>>> Linked Data cloud :)
>>>
>>> Best,
>>> Yves
>>>
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>
>
> --
> Dr. Alexandre Passant - @terraces
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