lucene-solr-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Otis Gospodnetic <otis.gospodne...@gmail.com>
Subject Re: Exact and Partial Matches
Date Wed, 01 May 2013 00:30:07 GMT
An alternative would be a custom SearchComponent that post-processes hits.

Otis
Solr & ElasticSearch Support
http://sematext.com/
On Apr 30, 2013 10:27 AM, "Sandeep Mestry" <sanmestry@gmail.com> wrote:

> Thanks Erick,
>
> I tried grouping and it appears to work okay. However, I will need to
> change the client to parse the output..
>
> &fq=title:(tree)&group=true&group.query=title:(trees) NOT
> title_ci:trees&group.query=title_ci:blair&group.sort=title_sort
> desc&sort=score desc,title_sort asc
>
> I used the actual query as the filter query so my scores will be 1 and then
> used 2 group queries - one which will give me exact matches and other that
> will give me partial minus exact matches.
> I have tried this with operators too and it seems to be doing the job I
> want, do you see any issue in this?
>
> Thanks again for your reply and by the way thanks for SOLR-4662.
>
> -S
>
>
> On 30 April 2013 15:06, Erick Erickson <erickerickson@gmail.com> wrote:
>
> > I don't think you can do that. You're essentially
> > trying to mix ordering of the result set. You
> > _might_ be able to kludge some of this with
> > grouping, but I doubt it.
> >
> > You'll need two queries I'd guess.
> >
> > Best
> > Erick
> >
> > On Mon, Apr 29, 2013 at 9:44 AM, Sandeep Mestry <sanmestry@gmail.com>
> > wrote:
> > > Dear Experts,
> > >
> > > I have a requirement for the exact matches and applying alphabetical
> > > sorting thereafter.
> > >
> > > To illustrate, the results should be sorted in exact matches and all
> > later
> > > alphabetical.
> > >
> > > So, if there are 5 documents as below
> > >
> > > Doc1
> > > title: trees
> > >
> > > Doc 2
> > > title: plum trees
> > >
> > > Doc 3
> > > title: Money Trees (Legendary Trees)
> > >
> > > Doc 4
> > > title: Cork Trees
> > >
> > > Doc 5
> > > title: Old Trees
> > >
> > > Then, if user searches with query term as 'trees', the results should
> be
> > in
> > > following order:
> > >
> > > Doc 1 trees - Highest Rank
> > > Doc 4 Cork Trees - Alphabetical afterwards..
> > > Doc 3 Money Trees (Legendary Trees)
> > > Doc 5 Old Trees
> > > Doc 2 plum trees
> > >
> > > I can achieve the alphabetical sorting by adding the title sort
> > > parameter, However,
> > > Solr relevancy is higher for Doc 3 (due to matches in 2 terms and so
> > > it arranges
> > > Doc 3 above Doc 4, 5 and 2).
> > > So, it looks like:
> > >
> > > Doc 1 trees - Highest Rank
> > > Doc 3 Money Trees (Legendary Trees)
> > > Doc 4 Cork Trees - Alphabetical afterwards..
> > > Doc 5 Old Trees
> > > Doc 2 plum trees
> > >
> > > Can you tell me an easy way to achieve this requirement please?
> > >
> > > I'm using Solr 4.0 and the *title *field is defined as follows:
> > >
> > > <fieldType name="text_wc" class="solr.TextField"
> > positionIncrementGap="100"
> > >>
> > >             <analyzer type="index">
> > >                 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> > >                 <filter class="solr.WordDelimiterFilterFactory"
> > > stemEnglishPossessive="0" generateWordParts="1" generateNumberParts="1"
> > > catenateWords="1" catenateNumbers="1" catenateAll="1"
> > splitOnCaseChange="1"
> > > splitOnNumerics="0" preserveOriginal="1" />
> > >                 <filter class="solr.LowerCaseFilterFactory"/>
> > >             </analyzer>
> > >             <analyzer type="query">
> > >                 <tokenizer class="solr.WhitespaceTokenizerFactory"/>
> > >                 <filter class="solr.WordDelimiterFilterFactory"
> > > stemEnglishPossessive="0" generateWordParts="1" generateNumberParts="1"
> > > catenateWords="1" catenateNumbers="1" catenateAll="1"
> > splitOnCaseChange="1"
> > > splitOnNumerics="0" preserveOriginal="1" />
> > >                 <filter class="solr.LowerCaseFilterFactory"/>
> > >             </analyzer>
> > >         </fieldType>
> > >
> > >
> > >
> > > Many Thanks in advance,
> > > Sandeep
> >
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message