[Ex-plain] Link type proposal

Robert Sanderson azaroth at liverpool.ac.uk
Sat Jun 3 15:41:51 CEST 2006

I believe that there are subCollection and superCOllection defined in
the Z39.92 DSFTU for this purpose, as they're a fundamental part of the
model defined by TG2.


On Fri, 2 Jun 2006, Sebastian Hammer wrote:

>I'd like to have the ability to represent a hierarchical relationship
>between a -- perhaps virtual -- super-database and its constituent
>sub-databases.. Explain classic has a similar feature.. I wonder if this
>couldn't be handled pretty cleanly by simply introducing two new link
>types for the link element in the databaseInfo section.. something like:
>super -- a URL to the interface of a database that contains this
>database as a subset (same protocol capabilities assumed)
>sub --  a URL to the interface of a database which makes available a
>subset of this database (same protocol capabilities).
>Any thoughts on this? This issue seems to pop op for me when building
>gateways for commercial content providers, who often organize databases
>in this way to represent different level of access for different customers.
>Ex-plain mailing list
>Ex-plain at lists.indexdata.dk

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