[Dspace-tech] Question about indexing and metadata search

2009-08-06 Thread Rafael Henkin
Hi all,

 

I have a doubt about searching metadata in DSpace.

 

We currently have one community with items that have 
dc.description metadata, and there isn't a search index specific to this 
metadata. However, the results can still be found via simple search, so I 
suppose that the search is done across all metadata.

 

The problem is that there seems to be a problem with encoding, or 
with the analyzer. There's one word which includes an ö in this field, and, 
if it used the DSAnalyzer (of which we use a modified version that correctly 
uses the Latin1 accent filter for every other indexed metadata), it should be 
the same searching o or ö. However, results are different when we search 
for the word (in this case, mössbauer) with or without the accent. 

 

So the question is: can I do anything about it? Should I add a 
index for this metadata so it's indexed properly with the analyzer? Because 
other than that I don't know what the problem is. It should be noted that the 
indexed fields have their accents removed correctly (if the word is in a title, 
which is an indexed field, o or ö bring the same result).

 

Thanks,

 

Rafael Henkin

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Re: [Dspace-tech] Question about indexing and metadata search

2009-08-06 Thread Rafael Henkin

Sorry about this, but I have made a mistake and dc.description is actually
indexed. Still, the problem remains because you can only search it via the
generic search (ANY), and specific search yields the correct results (as I
said, in titles, for example).

Thanks and sorry again.

Rafael Henkin


Rafael Henkin wrote:
 
 Hi all,
 
  
 
 I have a doubt about searching metadata in DSpace.
 
  
 
 We currently have one community with items that have
 dc.description metadata, and there isn't a search index specific to this
 metadata. However, the results can still be found via simple search, so I
 suppose that the search is done across all metadata.
 
  
 
 The problem is that there seems to be a problem with encoding,
 or with the analyzer. There's one word which includes an ö in this
 field, and, if it used the DSAnalyzer (of which we use a modified version
 that correctly uses the Latin1 accent filter for every other indexed
 metadata), it should be the same searching o or ö. However, results
 are different when we search for the word (in this case, mössbauer) with
 or without the accent. 
 
  
 
 So the question is: can I do anything about it? Should I add a
 index for this metadata so it's indexed properly with the analyzer?
 Because other than that I don't know what the problem is. It should be
 noted that the indexed fields have their accents removed correctly (if the
 word is in a title, which is an indexed field, o or ö bring the same
 result).
 
  
 
 Thanks,
 
  
 
 Rafael Henkin
 
 
 --
 Let Crystal Reports handle the reporting - Free Crystal Reports 2008
 30-Day 
 trial. Simplify your report design, integration and deployment - and focus
 on 
 what you do best, core application coding. Discover what's new with 
 Crystal Reports now.  http://p.sf.net/sfu/bobj-july
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