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Rob Sanderson wrote:
>> The aim of Intrallect's "collection" context set is to allow queries to
>> be limited to sub-collections within a repository.  I would like to make
>> this into a recognised CQL context set, or adopt an existing context set
>> which would allow us to do the same thing.
> 
> How would that differ from 
> 
> collectionName and collectionIdentifier in the record metadata context
> set?
> 
> http://srw.cheshire3.org/contextSets/rec/1.1/

I think it is the same thing.  Glad I asked!

Martin

>> There are some details of what we have implemented so far at
>> http://www.intrallect.com/support/intralibrary/v2p8/manuals/integration_guide.html#SRU_CQL.
>> At the moment there is one index, "collection.name", used to constrain a
>> search by collection name.   I am planning to add a
>> "collection.identifier" index field.
>>
>> We also want to include information on the collections available in a
>> repository (i.e. at least the name and ID of the collections).  We
>> thought we would do this in the SRU explain file, but we have been
>> struggling to work out what the best extension would be to add this
>> information to the ZeeRex schema.  Possible schemes include ISAD, EAD
>> and RSLP, e.g. http://www.ukoln.ac.uk/metadata/rslp/isadg/crosswlk.html, 
>>   ISO 2146 or the latest version of MODS.
>>
>> Ray Denenberg has since suggested using Scan to expose the collection 
>> information, which is something I hadn't considered, but seems to make a 
>> lot sense for a CQL index.
>>
>> Any thoughts would be very welcome.
>>
>> Martin
>>


-- 
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Martin Morrey, Product Director, Intrallect, http://www.intrallect.com
[log in to unmask], Tel: +44 870 234 3933, Fax: +44 1506 505 117
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