Hi Sue,
Lucene (the search system used by DSpace) is 'stemming' the words
(http://en.wikipedia.org/wiki/Stemming
<http://en.wikipedia.org/wiki/Stemming> ). It indexes the stem of the
word (in this case propel) so that it can find similar words (engine
will find engines etc).
Thanks,
Stuart Lewis
IT Innovations Analyst and Developer
Te Tumu Herenga The University of Auckland Library
Auckland Mail Centre, Private Bag 92019, Auckland 1142, New Zealand
Ph: 64 9 373-7599 x81928
http://www.library.auckland.ac.nz <http://www.library.auckland.ac.nz/> /
From: Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES
COMPANY] [mailto:[email protected]]
Sent: Thursday, 6 August 2009 9:31 a.m.
To: [email protected]
Cc: Smail, James W. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
Subject: [Dspace-tech] Strange Search results
A User emailed me and told me he was getting some incorrect search
results in DSpace 1.5.1. Here is the advanced search he did:
Title = propeller
Along with documents where the title contained the word "propeller", he
also got lots of documents where the title contained the word
"propellant". I tried it and got the same results. I also tried
looking for "propeller NOT propellant" and then got *no* results.
I thought maybe Lucene was cutting off the "er" and/or "ant", but
couldn't find this anywhere in the documentation. Does anyone know what
might be going on?
Thanks,
Sue
Sue Walker-Thornton
ConITS Contract
NASA Langley Research Center
Integrated Library Systems Application & Database Administrator
130 Research Drive
Hampton, VA 23666
Office: (757) 224-4074
Fax: (757) 224-4001
Pager: (757) 988-2547
Email: [email protected] <mailto:[email protected]>
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