Thanks Shawn, I will Check that.

Ravi

-----Original Message-----
From: Shawn Heisey [mailto:apa...@elyograg.org] 
Sent: Monday, July 20, 2015 10:23 AM
To: solr-user@lucene.apache.org
Subject: Re: Rule for Score

On 7/20/2015 8:16 AM, EXTERNAL Taminidi Ravi (ETI, AA-AS/PAS-PTS) wrote:
> Hi All, Can you someone explain or refer me right place to know more on how 
> the Score is calculated, I am seeing it has few attribute like, 
> termfrequency, document frequeuncy, weight, boost also it is say sum of , 
> product of..
> 
> Is there any example of understanding the basics of these attributes and the 
> logic for calculating the score.

If you add "debugQuery=true" to your URL request, then you will get a full 
accounting of how the score was calculated for each document in the results.  I 
think "debug=query" also works.

Looking at the source code for DefaultSimilarity is probably also helpful.  
Here's the javadoc for that class:

http://lucene.apache.org/core/5_2_0/core/org/apache/lucene/search/similarities/DefaultSimilarity.html

Much more detailed info is available by clicking on the parent class link 
(TFIDFSimilarity) on this page.

Thanks,
Shawn

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