<div dir="ltr"><div><div><br></div>FWIW: the DatasetMetadata model, which is basically the non-flattened 'Observation+Product' allows catalog in the dataproduct type list.<br></div>so would be consistent with this change.<br><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 15, 2016 at 12:48 PM, Patrick Dowler <span dir="ltr"><<a href="mailto:pdowler.cadc@gmail.com" target="_blank">pdowler.cadc@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I have added a rquest to allow "catalog" to the ObsCore-1.1 RFC page.<br>
<br>
<a href="http://wiki.ivoa.net/twiki/bin/view/IVOA/ObscCore1dot1RFC" rel="noreferrer" target="_blank">http://wiki.ivoa.net/twiki/bin/view/IVOA/ObscCore1dot1RFC</a><br>
<div class="HOEnZb"><div class="h5"><br>
On 15 April 2016 at 08:59, Patrick Dowler <<a href="mailto:pdowler.cadc@gmail.com">pdowler.cadc@gmail.com</a>> wrote:<br>
> Guilty as charged :-)<br>
><br>
> Our underlying data model (CAOM2) has catalog as a valid type and I<br>
> recall some of us trying to get catalog into the vocabulary back<br>
> before 1.0.... I can easily fix this because ObsCore is a view on<br>
> CAOM2, with the cost being that people can't find all the products via<br>
> ObsCore. But for ASKAP, if they implement ObsCore directly then they<br>
> would be left with no way to provide discovery of catalog products.<br>
><br>
> The DM rationale is that ObsCore is a list of products (it is a<br>
> flattened view of Observation+Product where there is a 1..* relation).<br>
> As such, there are certainly other kinds of things that can be created<br>
> from data (besides just more data). Do such things belong in ObsCore?<br>
> I obviously think they do so IMO we should add to the vocabulary and<br>
> I've either been meaning to request it or forgot about that little<br>
> non-compliance.<br>
><br>
> The alternative that I see if that access to the catalog would be a<br>
> link in a DataLink response with semantics="derivation"... and then<br>
> probably augment the DataLink vocabulary to be able to ay catalog...<br>
> and then still not be able to discover them via a data discovery<br>
> query. DataLink *is* awesome and all, but that doesn't seem so great.<br>
><br>
> So: can we add "catalog" to the ObsCore-1.1 vocabulary for<br>
> datapoduct_type? +1 from me<br>
><br>
><br>
><br>
> On 15 April 2016 at 05:21, Mark Taylor <<a href="mailto:M.B.Taylor@bristol.ac.uk">M.B.Taylor@bristol.ac.uk</a>> wrote:<br>
>> James,<br>
>><br>
>> it looks like you're not the only one to hit this. If I use the<br>
>> ObsTAP service at <a href="http://www.cadc.hia.nrc.gc.ca/tap" rel="noreferrer" target="_blank">http://www.cadc.hia.nrc.gc.ca/tap</a> to run:<br>
>><br>
>> select distinct top 100<br>
>> dataproduct_type, obs_collection<br>
>> from ivoa.obscore<br>
>> where dataproduct_type not in<br>
>> ('image', 'cube', 'spectrum', 'sed',<br>
>> 'timeseries', 'visibility', 'event')<br>
>><br>
>> I get<br>
>><br>
>> +------------------+----------------+<br>
>> | dataproduct_type | obs_collection |<br>
>> +------------------+----------------+<br>
>> | catalog | APASS |<br>
>> | catalog | CFHTTERAPIX |<br>
>> | catalog | JCMT |<br>
>> +------------------+----------------+<br>
>><br>
>> (note this is one of the tests run by taplint, currently failing at CADC).<br>
>><br>
>> Mark<br>
>><br>
>> On Fri, 15 Apr 2016, James.Dempsey@csiro.au wrote:<br>
>><br>
>>> Hi,<br>
>>><br>
>>> In ObsCore v1.0 and 1.1 the dataproduct_type field has a defined list of values. We currently advertise our ASKAP catalogue data products in our ObsCore table, but have to leave the dataproduct_type field blank for these records as none of the possible types match.<br>
>>><br>
>>> Has the inclusion of a catalogue type been considered before? If not, would it be possible to include in ObsCore v1.1?<br>
>>><br>
>>> Cheers,<br>
>>> James Dempsey<br>
>>><br>
>><br>
>> --<br>
>> Mark Taylor Astronomical Programmer Physics, Bristol University, UK<br>
>> <a href="mailto:m.b.taylor@bris.ac.uk">m.b.taylor@bris.ac.uk</a> <a href="tel:%2B44-117-9288776" value="+441179288776">+44-117-9288776</a> <a href="http://www.star.bris.ac.uk/~mbt/" rel="noreferrer" target="_blank">http://www.star.bris.ac.uk/~mbt/</a><br>
><br>
><br>
><br>
> --<br>
> Patrick Dowler<br>
> Canadian Astronomy Data Centre<br>
> Victoria, BC, Canada<br>
<br>
<br>
<br>
--<br>
Patrick Dowler<br>
Canadian Astronomy Data Centre<br>
Victoria, BC, Canada<br>
</div></div></blockquote></div><br></div>