Data/metadata

[Arnold Rots]

As far as space, time, spectrum, redshift coordinates are concerned,
their metadata are fully described in the STC schema, ready for
resources and catalogs.

  - Arnold

Tony Linde wrote:
> Thanks, David - I look forward to seeing them. What I'm looking for is some
> way of describing the data held in a resource, so describing the contents of
> a VizieR dataset, the SDSS catalog of quasars etc. - so any of the resources
> listed in the registry. I guess the Quantity and Observation models will be
> part of these - do we have a model for overall metadata into which these fit
> or is the effort more bottom-up?
> 
> Cheers,
> Tony. 
> 
> > -----Original Message-----
> > From: David Berry [mailto:dsb at ast.man.ac.uk] 
> > Sent: 28 January 2004 11:33
> > To: Tony Linde
> > Cc: 'Dm_Ivoa_List'
> > Subject: RE: Data/metadata
> > 
> > 
> > I know that Jonathan McDowell (with various others including 
> > me) has been working towards producing draft proposals for 
> > the Quantity and Observation models discussed at Strasbourg. 
> > The last I heard was that the Quantity document was just 
> > about ready for wider circulation (like in the next day or 
> > two), and Observation was coming on well.
> > 
> > David
> > 
> > 
> > On Wed, 28 Jan 2004, Tony Linde wrote:
> > 
> > > I just read the following on the wiki: 'Summary of 
> > convergence efforts 
> > > for Observation in various data models, which come from different 
> > > points of view e.g. archive vs analysis tools. A number of 
> > data models 
> > > have been considered so far, and these show areas of similarities.'
> > >
> > > Has there been any work on consolidating these models to a 
> > single one 
> > > or has any single model become the standard? I understand that IDHA 
> > > has been used as the metadata model for CDS VizieR data: 
> > can this be 
> > > used to quickly develop an agreed metadata model for the VO?
> > >
> > > (Apologies if this has already been discussed and decided: 
> > point me at 
> > > the relevant thread if so.)
> > >
> > 
> > ----------------------------------------------------------------------
> > Dr David S. Berry    (dsb at ast.man.ac.uk)
> > 
> > STARLINK project		 |	Centre for Astrophysics
> > (http://www.starlink.ac.uk/)	 |	University of Central Lancashire
> > Rutherford Appleton Laboratory	 |	PRESTON
> > DIDCOT				 |	United Kingdom
> > United Kingdom			 |	PR1 2HE
> > OX11 0QX                                Tel. 01772 893733
> >                                              01257 273192
> > 
> 
> 
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Arnold H. Rots                                Chandra X-ray Science Center
Smithsonian Astrophysical Observatory                tel:  +1 617 496 7701
60 Garden Street, MS 67                              fax:  +1 617 495 7356
Cambridge, MA 02138                             arots at head.cfa.harvard.edu
USA                                     http://hea-www.harvard.edu/~arots/
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