Dear Jayan,
Thank you very much for this interesting reference on Lucene Search in
DSpace!
I forwarded it to my "power users".
Just one point: you can configure DSpace for either an implicit OR
between search terms or an implicit AND.
OR is the default.
When no patch is applied to add sorting to DSpace, the search result is
implicitly sorted from the most relevant (most search terms with most
relative frequency) to the least relevant (for instance, one occurrence
of one of the search terms).
This is just nice with implicit OR and useful for many applications.
When AND is choosen as the implicit operator, the relevancy sorting is
less relevant (!) and sorting by date is often prefered.
Have a nice day!
Christophe
Jayan Chirayath Kurian a écrit :
Hello,
It looks quite nice to experiment with different options.
http://drtc.isibang.ac.in:8080/jspui/handle/1849/244 The link refers to an
interesting write-up.
Cheers!
Jayan
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Vlastimil Krejcir
Sent: Thursday, May 15, 2008 10:49 PM
To: [EMAIL PROTECTED]; dspace-tech@lists.sourceforge.net; [EMAIL PROTECTED]
Subject: [Dspace-tech] Fuzzy search in DSpace
Hi all,
maybe I've just discovered something that is well known in the whole
DSpace community. I'm not sure if everybody knows that Lucene (and so the
DSpace) has fuzzy search. In my opinion this feature is not promoted
enough (or not promoted at all). You can use the fuzzy search by adding
"~" to query.
For example we have an item about the movie Spiderman. So the query
"spiterman" doesn't give us any results whereas "spiterman~" give us the
right item about the movie (and maybe more items depends on the fuzzy
search setting).
This can be use also for the thing I personally call "cutted of diacritics
search". Because it also works for words with diacritics (so "krejcir~"
gives all items where I'm the author even if there is only my surname with
diacritics ("Krejčíř") stored. It's not exact because this gives also
results which have nothing common with me. On the other hand why not to
use it.
For details you can consult the Lucene documentation.
hope this post might help
Vlastik
----------------------------------------------------------------------------
Vlastimil Krejčíř
Library and Information Centre, Institute of Computer Science
Masaryk University in Brno, Czech Republic
Email: krejcir (at) ics (dot) muni (dot) cz
Phone: +420 549 49 3872
ICQ: 163963217
Jabber: [EMAIL PROTECTED]
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