[mapguide-dev] Metadata

Paul Spencer pspencer at dmsolutions.ca
Mon Sep 18 17:12:38 EDT 2006


I suspect that the metadata system they are putting in is more in the  
line of free-form storage system associated with a resource rather  
than a structured metadata standard (FGDC?) which you seem to think  
this is.  I could be wrong :)

For instance, the description of the MapDefinition that you enter in  
Studio is stored in a metadata tag inside the actual XML  
representation of the MapDefinition.

I think you raise an excellent point, though.  It could be very  
compelling to have a real metadata capability inside MapGuide.



On 18-Sep-06, at 4:17 PM, Jason Birch wrote:

> Hi all,
> I am concerned that by just storing Metadata as an XML chunk against
> resources, that it will be extremely difficult to manage on an
> enterprise level.  I may just be getting worked up about something  
> that
> has already been considered but...
> A good metadata system should store at least organisation and contact
> information independently, taking advantage of a relational model and
> making maintenance easier.  Meta information stored against data sets
> should be composited on the fly into the required metadata standard.
> As well, metadata should not be limited to the information stored
> directly in MapGuide.  It should be possible to store metadata for
> external resources, including those referred to in load  
> procedures.  The
> metadata for the resultant data would then reference the source they
> were derived from.
> Hmm.  On the flip side, there should at least be the ability to parse
> and load XML metadata in standard formats, such as generated by  
> ArcGIS.
> Jason
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|Paul Spencer                           pspencer at dmsolutions.ca   |
|Applications & Software Development                              |
|DM Solutions Group Inc                 http://www.dmsolutions.ca/|

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