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From Erik Hatcher <e...@ehatchersolutions.com>
Subject Re: Not able to retrieve hits for a phrase
Date Mon, 17 Apr 2006 14:47:20 GMT
Are the terms you're adding to PhraseQuery lowercased?  If not, then  
that is most likely the issue.

	Erik


On Apr 17, 2006, at 9:39 AM, Vishal Bathija wrote:

> I currently use
> writer = new IndexWriter("index", new StandardAnalyzer(),true);
> 			
> Should I use any other analyzer. Yes I am aware that the matches are
> case sensitive.
>
> Regards
> Vishal
>
> On 4/17/06, Erik Hatcher <erik@ehatchersolutions.com> wrote:
>> This could be related to the analyzer you used during indexing.  Be
>> aware that matches are *exact* including case.
>>
>>        Erik
>>
>> On Apr 17, 2006, at 1:34 AM, Vishal Bathija wrote:
>>
>>> Hi,
>>> I am not able to retrieve the number of hits for a particular  
>>> phrase .
>>> The code below retrieves the hits only for certain phrases. The code
>>> snippet that I use is
>>>
>>> rd= IndexReader.open("C:\\Documents and Settings\\Owner\\My
>>> Documents\\Thesis\\luceneTest\\index");
>>> PhraseQuery query =new PhraseQuery();
>>> searcher = new IndexSearcher(rd);
>>> Term[] phrTerm=new Term[phraseTerms.length];
>>> for(int u=0; u<phraseTerms.length;u++)
>>>  {
>>>   phrTerm[u]=new Term("contents",phraseTerms[u]);
>>>  query.add(phrTerm[u]);
>>>   }
>>>
>>> System.out.println("Query"+query.toString() );
>>> Hits hits = searcher.search(query);
>>> System.out.println("Number of hits :"+hits.length());
>>>
>>> Number of hits is 0 for some phrases even though the phrase is  
>>> present
>>> in some of the documents.
>>>
>>> This retrieves the hits for certain phrases such as
>>>
>>> "avoids deadlock" but it does not work for a phrase such as
>>> "Prevents Data Loss"
>>>
>>>
>>> I am not sure what the problem could be as none of these phrases  
>>> have
>>> any special characters.  Do I need to use any other type of query?
>>>
>>>
>>> Regards
>>> Vishal
>>> --
>>> Vishal Bathija
>>> Graduate Student
>>> Department of Computer Science & Systems Analysis
>>> Miami University
>>> Oxford,Ohio
>>> Phone: (513)-461-9239
>>>
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>>
>>
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>>
>>
>
>
> --
> Vishal Bathija
> Graduate Student
> Department of Computer Science & Systems Analysis
> Miami University
> Oxford,Ohio
> Phone: (513)-461-9239
>
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> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-user-help@lucene.apache.org


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