Re: [VuFind-Tech] Distributed Search in vufind

[Oliver M. <o.m...@tu...>]

Hi Eoghan,

> This could be very useful for us, so I'd also like to see a patch. How
> does it handle relevance ranking? Is relevance assessed across all
> three indices at once?
Yes, relevance is calculated over all of the indices at once. Only one
query is sent to all of the indices, the results are aggregated in one
list. This list includes also Solrs/Lucenes score.

- Oliver
>
> Many thanks,
> Eoghan
>
> On 25 August 2010 13:18, Tuan Nguyen <tu...@yo...
> <mailto:tu...@yo...>> wrote:
>
>     Hi, that's very interesting, I'd like to see a patch for 1.0.1 if you
>     have time. One question, did you have to use the same schema on all
>     indices or can they be different?
>
>     On Aug 25, 2010, at 7:44 AM, Oliver Marahrens wrote:
>
>     > Hi all,
>     >
>     > I have introduced functions to make a distributed search in vufind
>     > (using Solr's distributed search facilities). So vufind could search
>     > several indices with one query (while they have a vufind compatible
>     > structure). I have designed it configurable, so its easy to turn
>     it on
>     > and off.
>     >
>     > We have seperate indices for the contents of our website and the
>     > contents of our weblog; all these indices can be searched from our
>     > vufind installation on http://katalog.tub.tu-harburg.de
>     >
>     > If someone is interested in the code, I can build a patch file for
>     > vufind 1.0.1. I would be happy to see the code in the next vufind
>     > release - so, Demian, are you interested?
>     >
>     > Please note that I will be on vacation the next days (until next
>     > week),
>     > so please be patient if I dont answer quickly...
>     >
>     > - Oliver
>     >
>     > --
>     > Oliver Marahrens
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-- 
Oliver Marahrens
TU Hamburg-Harburg / Universitätsbibliothek / Digitale Dienste
Denickestr. 22
21071 Hamburg - Harburg
Tel. 	+49 (0)40 / 428 78 - 32 91
eMail	o.m...@tu...
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