Mailing-List: contact lucene-user-help@jakarta.apache.org; run by ezmlm
Precedence: bulk
Reply-To: "Lucene Users List" <lucene-user@jakarta.apache.org>
Date: Thu, 10 Jun 2004 04:08:44 +0200
From: Incze Lajos <incze@mail.matav.hu>
To: Lucene Users List <lucene-user@jakarta.apache.org>
Subject: Re: phrase query not working in boolean clause
Message-ID: <20040610020843.GA16685@incze.adsl.enternet.hu>
References: <40C739F9.2010806@aps.org>
 <4CB46AAD-BA3C-11D8-A592-000393A564E6@ehatchersolutions.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <4CB46AAD-BA3C-11D8-A592-000393A564E6@ehatchersolutions.com>
User-Agent: Mutt/1.4.1i

On Wed, Jun 09, 2004 at 01:41:55PM -0400, Erik Hatcher wrote:
> On Jun 9, 2004, at 12:25 PM, Michael Duval wrote:
> >When doing an exact phrase query on the title the expected results are 
> >returned:
> >
> >   +(title:"Mass Asymmetry")
> >      after tokenizing/filtering:  +title:"mass asymmetri"
> >   returns 20 Hits
> >   example hit: "Mass asymmetry, equation of state, and nuclear 
> >multifragmentation"
> >
> >When attempting to confine the results to a particular journal the 
> >query used is:
> >   +(journal:L) +(title:"Mass Asymmetry")
> >      after t/f :  +journal:L +title:"mass asymmetri"
> >
> >   returns 315 Hits!!
> >   example hit 1:  Towards dynamical mass calculations
> >   example hit 2:  Up down-asymmetric gravitational fields of spinning 
> >masses
> >
> >It would seem that the search engine is treating
> >   +title:"mass asymmetri"  as +title:mass asymmetri
> >
> >However, this behavior is only apparent on composite queries as shown 
> >previously.
> >
> >For a sanity check I built the query using both the standard query 
> >parser and
> >the lucene search api (TermQuery, PhraseQuery, BooleanQuery).   The 
> >results
> >were the same both ways.
> >
> >Is this a well known limitation of the lucene search engine?  Is there 
> >a different
> >means of obtaining the desired results?
> 
> Could you work up a JUnit test case example indexing a couple of 
> documents like this into a RAMDirectory and a testXXX method that shows 
> the failure?
> 
> I cannot really make sense of what you have going on with the textual 
> queries and obviously some stemming going on to.  Show us the code. :)
> 
> 	Erik

This was fixed cca a 2 months ago by Mr. Goller. You have to upgrade,
if you can.

incze

---------------------------------------------------------------------
To unsubscribe, e-mail: lucene-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: lucene-user-help@jakarta.apache.org