Lucene is the DSpace search engine. Currently, DSpace only used
"tokenized" indexes (field content is splitted in "tokens": the words).
Lucene is able to very efficiently sort its result (by default it sorts
by disminishing "relevance") but only for the untokenized fields (fields
indexed "as is" without word splitting or content modification. This is
what my patch uses. It is very few lines of Java code and I suppose it
may be rather easily added to 1.5.
Have a nice week-end!
Christophe
Andrew Marlow a écrit :
2009/1/23 Christophe Dupriez <christophe.dupr...@destin.be
<mailto:christophe.dupr...@destin.be>>
Hi Andrew!
For me, the concept of Journal is best represented by DSpace
"Collection".
Your problem is a sorting problem (how to show a given result
sorted by issues). This what it takes and not complex modeling and
outside tools (IMHO).
I provided a patch in the past to sort by publishing date (for
DSpace 1.4) and I started a discussion about sort
parameterization. Discussion which did not gather a lot of interest.
That patch sounds interesting. What a pity it was not taken on board.
It ia also a pity sorting did not generate more discussion. I am
interested. I think DSpace could make much more use of its dc
metadata, dc.identifier.citation being just one example.
If you somehow have a field (dc.identifier.citation) which can
represent the order of articles (for instance Vol/No/Page in
standardized columns like "Vol.32 No.05 p.023", then my patch
should do the job. The main thing is to have an Untokenized Lucene
index for the sort field.
I don't know what you mean by untokenized lucene index. Can you
explain please?
--
Regards,
Andrew M.
http://www.andrewpetermarlow.co.uk
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