[Geodata] evaluation requirements for modern metadata catalogs

[Stefan F. Keller]

Norman, good proposal.

Use cases area always good for bringing users and programmers as well as
implementors and implementors together. Because I have the impression that
no so many users are following these threads I would extend your proposal:
I think that visions would also help to focus and to get a common
understanding. It's now about half a year ago when I 'blogged' down my
metadata network visions: see http://gis.hsr.ch/wiki/OSGeodata_Discovery.

 Jody also had an excellent idea: One could organize a 'metadata exchange
code sprint' at FOSS4G'07 and hack down some software components (e.g. for
uDig, GeoNetwork etc.)! Still others (like me) can't wait another couple of
months... :->

-- Stefan


2007/3/16, Norman Barker <norman.barker at gmail.com>:
>
> Hi,
>
> having been trying to do this catalog thing for a while now (both the
> minimal metadata and the ebRIM model) and I am slightly concerned that
> as a geodata group we don't know what we want, and perhaps there is a
> certain amount of Java/OGC/ISO/Python/REST/SOAP/OAI bashing (pick your
> camp depending on your persuasion!)
>
> We have requirements for minimal metadata (dclite4g) which is great,
> we also have the concept that we want this catalog to be 'out there' -
> also great.  I like the general discussion as well.
>
> However I don't see use cases, the kind of thing I am looking for is
> (simplistic example)
>
> I want to use a catalog and I want to do the following
>
> 1) search on bbox
> 2) search on keywords
> 3) discover services offering data matching (1) and (2)
>
> I think if we could come up with evaluation criteria / use cases we
> could get past some of the implementation specifics when it comes to
> saying if something is right or not or whether it matches needs (since
> 'right or not' is a bit stark).  If these could go on the wiki then
> great; I am a developer I shouldn't be providing use cases, these
> should come from users.  If I provide a use case then it is going to
> centred around my expertise bias.  I am sitting here now thinking my
> catalog is kind of cool, geonetwork is also kind of cool, however
> others (rightly) are saying I don't think so, and there is no use case
> benchmark.
>
> Just my thoughts, flame me if you want, it's gmail :-)
>
> Norman
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