Try using the explain() method to give more insight.
On Aug 9, 2007, at 4:08 PM, Jami Kapla wrote:
Hello,
I have been using Lucene recently (newbie) and reading about scoring.
However, have a result that of course still does not make sense to me.
I have an index created from a single field (entree) in one table
in my DB.
I Index it with the StandardAnalyzer.
I also Query it with the StandardAnalyzer as simple as possible like:
QueryParser qp = new QueryParser("title", new
StandardAnalyzer());
org.apache.lucene.search.Query query = qp.parse( qStr );
hits = searcher.search( query );
Here is the possible responses that I know are in the index.
Chicken
Lemon chicken
Chicken parmesan
Chicken marsala
Chicken cordon blue
Chicken and dumplings
chickpeas
Bbq chicken
Garlic chicken
Teriyaki chicken
Chlcken picatta
If qStr="Chicken" thus basic TermQuery it works as expected and
returns the result:
Chicken score=0.99999994 (sort of thought this would be 1.0
but at least it found and scored the right one)
Lemon chicken score=0.625Chicken parmesan score=0.625
.... so on
However, if I make it a Fuzzy search by setting qStr="Chicken~" the
results I get are
Chlcken picatta score=1.0
Chicken score=0.4026232
Lemon chicken score=0.2516395
Chicken parmesan score=0.2516395
....so on
Most likely this is a lack of my understanding of the fundamentals
but I would think
it should come up with Chicken as the highest score still
considering it is an exact match.
Any clue as to why this is is greatly appreciated.
Meanwhile I am still reading docs and searching the web.
-Jami
--------------------------
Grant Ingersoll
http://lucene.grantingersoll.com
Lucene Helpful Hints:
http://wiki.apache.org/lucene-java/BasicsOfPerformance
http://wiki.apache.org/lucene-java/LuceneFAQ
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