Thanks Stuart and Kim for your answers. Given the stemming issue, is there any
way, via syntax or options, etc to get results for "propeller" without getting
results for "propellant"?
Thanks again!
Sue
________________________________
From: Stuart Lewis [mailto:[email protected]]
Sent: Wednesday, August 05, 2009 5:44 PM
To: Thornton, Susan M. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY];
[email protected]
Cc: Smail, James W. (LARC-B702)[RAYTHEON TECHNICAL SERVICES COMPANY]
Subject: RE: [Dspace-tech] Strange Search results
Hi Sue,
Lucene (the search system used by DSpace) is 'stemming' the words
(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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