Can you give more details about what you want?  Perhaps with an example?
Do you want the number of documents containing the query term, the number of 
occurrences of the query term within a document, or the number of occurrences 
of the term in the entire index?

You can use an explain query to get information on the number of occurrences 
within each document and the number of documents within the index  
searcher.explain(query, doc)

If you want the number of occurrences of the term in the entire index, you can 
use 
org/apache/lucene/misc/GetTermInfo.java. You can give it a term and it will 
look up the total number of documents containing the term and the total number 
of occurrences of the term in the index.  


http://svn.apache.org/viewvc/lucene/dev/branches/branch_3x/lucene/contrib/misc/src/java/org/apache/lucene/misc/GetTermInfo.java?revision=957522&view=markup

Tom

Tom Burton-West
http://www.hathitrust.org/blogs/large-scale-search

-----Original Message-----
From: starz10de [mailto:farag_ah...@yahoo.com] 
Sent: Thursday, November 04, 2010 3:54 AM
To: java-user@lucene.apache.org
Subject: High frequency term for the searched query


I need to find the most frequent terms that are appeared with a query. 

HighFreqTerms.java can be used only to obtain the high frequency terms in
the whole index. 

I need just to find the high frequency terms to the submitted query. 

What I do now is:

I search the index with the query and retrieve the relevant documents then
save those documents in a new folder then index them. At the end I use
HighFreqTerms.java in the new index so I can find the most frequent terms to
the query. However, this is very slow and need long time to run.

Any idea how I can do this task efficiently 


Thanks in advance

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