I have no real axe to grind for any of the schemes proposed, though I have a
preference for an "x-base" with a "registered" profile so that all MSEs
could use the same method. A single solution is really what I am after so
that we can all remove yet another configuration parameter.

Peter
> -----Original Message-----
> From: Z39.50 Next-Generation Initiative [mailto:[log in to unmask]]On Behalf Of
> Theo van Veen
> Sent: Tuesday, June 14, 2005 8:17 AM
> To: [log in to unmask]
> Subject: Betr.: Re: Multiple Sources in SRU/W
>
>
> We have been using for some time x-base as parameter to allow for any
> query to have a fixed query base in order to create any virtual
> collection we wanted. We used that analogue to the "isAvailableAt"
> baseURL.
> For specifying which databases to search in I would prefer to that we
> use a single solution as standard rather than some doing it in the query
> and others using x-database as parameter. Specifying the databases in a
> x-database parameter makes it easier to make it part of the "baseURL"
> (although it is not a true baseURL anymore when it contains
> parameters).
>
> Theo
>
>
>
> >>> [log in to unmask] 14-06-2005 12:57 >>>
> I would prefer to have two query parameters for this purpose - one to
> identify the user entered part and one to identify the system selected
> part, for example :
>
> &query=dc.title = froissart
> &fixedQuery=rec.collectionIdentifier any "a b c d"
>
> If you wish to reflect back to the user the query they entered, and if
> the query is extended with some system applied data, then the user may
> be confused by the additional content.
>
> Bill
>
> -----Original Message-----
> From: Z39.50 Next-Generation Initiative [mailto:[log in to unmask]] On Behalf
> Of Matthew J. Dovey
> Sent: 14 June 2005 10:57
> To: [log in to unmask]
> Subject: Re: Multiple Sources in SRU/W
>
> > A third option, which we already have as it turns out, would be to
> have it
> > as an index:
> >
> >   dc.title = froissart and rec.collectionIdentifier any "a b c d"
>
> This was always intended (although the discussions may now be in the
> depths of the list archives) model for doing multiple
> collection/database searches over SRU/W, i.e. identifying such things as
> part of the query rather than within another part of the protocol.
>
> Whilst providing the same functionality as the z39.50 style database
> list, it also allows richers behaviour such as client controlled query
> adaption e.g.
>
> (dc.title = "The world" and rec.collectionName any "English") or
> (dc.title = "Le monde" and rec.collectionName any "French")
>
> Matthew
>
> **************************************************************************
>
> Experience the British Library online at www.bl.uk
>
> Help the British Library conserve the world's knowledge. Adopt a Book.
> www.bl.uk/adoptabook
>
> **************************************************************************
>
> The information contained in this e-mail is confidential and may be
> legally privileged. It is intended for the addressee(s) only. If you are
> not the intended recipient, please delete this e-mail and notify the
> [log in to unmask] : The contents of this e-mail must not be disclosed
> or copied without the sender's consent.
>
> The statements and opinions expressed in this message are those of the
> author and do not necessarily reflect those of the British Library. The
> British Library does not take any responsibility for the views of the
> author.
>
> **************************************************************************
>