Data and services

[Ray Plante]

On Fri, 12 Sep 2003, Tony Linde wrote:
> I'd forgotten about Coverage. Maybe SkyService should stay so that when
> solar and stp people create their schemas they can have a SolarService and
> STPService.

Coverage has three components: spatial, spectral, and temporal.  A 
resource need only map to one of these to have "Coverage".  

> Maybe we need a DataService which includes a pointer to the root data
> collection plus any other data-ish metadata and then SkyService,
> SolarService and STPService can inherit from that?

We should definitely allow this pointer; however, we should not require 
that the data collection be registered separately.  

On Fri, 12 Sep 2003, Robert Hanisch wrote:
> > And should Coverage be renamed to SkyCoverage? Or is there enough
> > commonality between 'coverage' in the disciplines to deal with the
> > differences with one or two optional elements?
> Solar, Planetary, and STP will have different concepts for coverage.

How about "AstroDataService"?  

cheers,
Ray