Hi all,
I started to take a look at dspace discovery.
I'm very excited to see a SOLR integration in DSpace to manage the
search and browse functionalities so I really hope that we can include
this nice addition in DSpace 1.7.
I like to see some discussion about the following details:
*- integration with the authority framework*
as far as I can see there is not integration at this point. I will be
happy to handle this by myself. My idea is to store, when the confidence
level is greater than a configurable value, the authority key in a field
_authority (ie. contributor_authority) when there is no authority key or
the confidence level is not good enought we should store the simple
metadata.value in the solr field (ie contributor).
A similar rule should apply to facetting. We can't use directly the same
field used for the search because we need to sort facet for browsing
(think about diacrytics in names). I'm thinking to store the facet value
with the following syntax
sort_value|||display_form|||authority_key(if any)
When the facet is shown we should use the authority_key to build the
filter (on the field_authority) or the display_form if there is not
authority_key
*- use of a custom solr build*
https://scm.dspace.org/svn/repo/modules/dspace-solr/trunk/README
I'm not happy to manage a custom build of solr, I think that in the long
way it could be an expensive task.
The SOLR-236 is still not included in the main SOLR distribution and
there is a lot of debate around it.
The version that we have currently included seems already modified to
fix some bugs... a new major release of solr (1.4) has been released and
we should move to it as soon as possible before than more works on solr
are build.
Why do we need this custom build? I think that Dryad is not using it...
instead from the screenshoot on the dspace wiki
https://wiki.duraspace.org/display/DSPACE/DSpace+Discovery+HowTo
I see that in xmlui there is a "group by" option, is this the reason for
the custom build or is it needed for other?
*- old browse and search provider*
if we add discovery at dspace 1.7 should we remove the old search &
browser provider? I don't see a valid reason to keep it in place and
duplicate maintenace effort...
Andrea
--
Dott. Andrea Bollini
Project Manager, IT Architect& Systems Integrator
Sezione Servizi per le Biblioteche e l'Editoria Elettronica
CILEA, http://www.cilea.it
tel. +39 06-59292853
cel. +39 348-8277525
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