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From Otis Gospodnetic <otis_gospodne...@yahoo.com>
Subject RE: Searching for similar documents
Date Tue, 19 Jul 2005 16:16:34 GMT
You need to point to the new Lucene Jar (from SVN, not the 1.4.3)
version. 

Otis


--- Derek Westfall <dwestfall@TradelineInc.com> wrote:

> I've been trying to compile the .java into a .class and I am getting
> the
> error below.
> 
> Any idea what I am missing?
> 
> Thanks,
> 
> Derek
> 
> 
> C:\CFusionMX\wwwroot\WEB-INF\classes>javac morelikethis.java
> -classpath
> c:\cfusi
> onmx\lib\lucene-1.4.3.jar
> morelikethis.java:509: cannot resolve symbol
> symbol  : variable FieldOption
> location: class org.apache.lucene.index.IndexReader
>             Collection fields = ir.getFieldNames(
> IndexReader.FieldOption.INDEXED);
>                                                              ^
> morelikethis.java:524: cannot resolve symbol
> symbol  : variable FieldOption
> location: class org.apache.lucene.index.IndexReader
>             Collection fields = ir.getFieldNames(
> IndexReader.FieldOption.INDEXED);
>                                                              ^
> morelikethis.java:581: cannot resolve symbol
> symbol  : variable Occur
> location: class org.apache.lucene.search.BooleanClause
>                 query.add(tq, BooleanClause.Occur.SHOULD);
>                                            ^
> 3 errors
>  
> 
> -----Original Message-----
> From: Otis Gospodnetic [mailto:otis_gospodnetic@yahoo.com] 
> Sent: Saturday, July 16, 2005 7:52 AM
> To: java-user@lucene.apache.org
> Subject: RE: Searching for similar documents
> 
> They should work with the version in SVN, as well as with 1.4.3.
> 
> Otis
> 
> 
> --- "Kadlabalu, Hareesh" <hareesh.kadlabalu@fatwire.com> wrote:
> 
> > Thanks Otis!
> > 
> > Are there Lucene 1.4 compatiable version of these classes?
> > 
> > Thanks very much
> > -Hareesh
> > 
> > -----Original Message-----
> > From: Otis Gospodnetic
> > To: java-user@lucene.apache.org
> > Sent: 7/16/2005 3:30 AM
> > Subject: Re: Searching for similar documents
> > 
> > We've got this in Lucene's contrib/:
> > 
> > $ ll
> > contrib/similarity/src/java/org/apache/lucene/search/similar/*java
> > 
> > -rwxrwxr-x  1 otis otis 30431 Jul  9 09:20 MoreLikeThis.java* 
> > -rwxrwxr-x  1 otis otis  3612 Mar 16 17:31 SimilarityQueries.java*
> > 
> > Otis
> > 
> > --- "Kadlabalu, Hareesh" <hareesh.kadlabalu@fatwire.com> wrote:
> > 
> > > Hi,
> > > I am trying to build a search utility that looks for
> 'similarities'
> > > between
> > > documents.
> > > In other words, for every document listed as a part of search
> > result
> > > for a
> > > phrase, I want to be able to list documents that are similar to
> it 
> > > (but not necessarily match the same search criterion). For
> example, 
> > > if my search for "Tomcat" returned "Tomcat installation guide", I
> 
> > > want to write a utility that looks for all similar installation 
> > > guides that may or may not
> > be
> > > related to Tomcat.
> > > 
> > > One approach I am thinking is to use term vectors. Algorithm:
> first 
> > > extract the top X term vectors from the current document and
> create 
> > > a
> > Boolean
> > > query
> > > for those terms. Run it against contents of other documents (I
> will 
> > > probably have to remove commonly used terms manually?). Resulting
> 
> > > documents should be similar to the original one.
> > > 
> > > I am wondering if something like this already exists or someone
> has
> > a
> > > better
> > > algorithm/solution. Or am I headed off in the wrong direction
> with 
> > > this algorithm? Your advice is highly appreciated.
> > > 
> > > Thanks
> > > -Hareesh
> > > 
> > > 
> > >
> >
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> > > 
> > > 
> > 
> > 
> >
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> > 
> >
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> > 
> > 
> 
> 
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> 
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> 


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