Hi Tomas

Yeah, I now understand it. I was confused about interpreting the output.

Thanks for the comments.

Sowmya.

2011/7/20 Tomás Fernández Löbbe <tomasflo...@gmail.com>

> So, what you want is to have the same exact results set as if the query was
> "scientific", but the documents that also match Field1:[20 TO 30] to have
> more score, right?
>
> On Wed, Jul 20, 2011 at 10:53 AM, Sowmya V.B. <vbsow...@gmail.com> wrote:
>
> > Hi Tomas
> >
> > Here is what I was trying to give.
> >
> >
> >
> http://localhost:8085/apache-solr-3.3.0/select?indent=on&version=2.2&defType=dismax&q=scientific&bq=Field1:[20%20TO%2030]
> > ^10&start=0&rows=30&qf=text&fl=Field1,docid&debugQuery=on
> >
>
> This query seems OK for that purpose.
>
> >
> > Over here, I was trying to change the range of Field1, keeping everything
> > else intact. Here are my observations:
> >
> > 1) The number of results found remain intact. Only that the order of the
> > results varies.
> >
> Isn't this what was expected?
>
>
> > 2) The boost factor (10) does not seem to throw any influence at all.
> >
> It's on the parsed query, Why do you think it doesn't have an influence?
> Can
> you send the debug query output for a document that match the bt?
> I tried it with the Solr example and this is what I see:
>
>
> http://localhost:8983/solr/select?defType=dismax&q=display&bq=weight:[0%20TO%2010]
> ^10&start=0&rows=30&debugQuery=on&qf=features%20name
>
> This is the debug output for a document that match the query and the boost
> query:
>
> <str name="MA147LL/A">
>
> 1.137027 = (MATCH) sum of:
>  0.1994111 = (MATCH) max of:
>    0.1994111 = (MATCH) weight(features:display in 0), product of:
>      0.34767273 = queryWeight(features:display), product of:
>        3.7080503 = idf(docFreq=1, maxDocs=30)
>        0.0937616 = queryNorm
>      0.57355976 = (MATCH) fieldWeight(features:display in 0), product of:
>        1.4142135 = tf(termFreq(features:display)=2)
>        3.7080503 = idf(docFreq=1, maxDocs=30)
>        0.109375 = fieldNorm(field=features, doc=0)
>  0.937616 = (MATCH) ConstantScore(weight:[0.0 TO 10.0]^10.0)^10.0, product
> of:
>    10.0 = boost
>    0.0937616 = queryNorm
> </str>
>
> and this is the debug output for a document that only match the main query:
>
> <str name="VA902B">
> 0.4834455 = (MATCH) sum of:
>  0.4834455 = (MATCH) max of:
>    0.4834455 = (MATCH) weight(name:display in 12), product of:
>      0.34767273 = queryWeight(name:display), product of:
>        3.7080503 = idf(docFreq=1, maxDocs=30)
>        0.0937616 = queryNorm
>      1.3905189 = (MATCH) fieldWeight(name:display in 12), product of:
>        1.0 = tf(termFreq(name:display)=1)
>        3.7080503 = idf(docFreq=1, maxDocs=30)
>        0.375 = fieldNorm(field=name, doc=12)
> </str>
>
> Do you have something similar??
>
>
>
> > Here is what the debugQuery says:
> > <str name="parsedquery">+DisjunctionMaxQuery((text:scientif)) ()
> > Field1:[20.0 TO 30.0]^10.0</str>
> > <str name="parsedquery_toString">+(text:scientif) () Field1:[20.0 TO
> > 30.0]^10.0</str>
> >
> > From these, it seems like its just filtering the results based on the
> > Field1
> > values, rather than performing a Boost Query.
> >
> > S.
> >
> > 2011/7/20 Tomás Fernández Löbbe <tomasflo...@gmail.com>
> >
> > > Yes, it should,  but make sure you specify at least the "qf" parameter
> > for
> > > dismax. You can activate debugQuery and you'll see which documents get
> > > boosted and which aren't.
> > >
> > > On Wed, Jul 20, 2011 at 9:21 AM, Sowmya V.B. <vbsow...@gmail.com>
> wrote:
> > >
> > > > Hi Tomasso
> > > >
> > > > Thanks for a quick response.
> > > >
> > > > So, if I say:
> > > >
> http://localhost:8085/apache-solr-3.3.0/select?indent=on&version=2.2*
> > > >
> > &defType=dismax*&q=scientific&bq=Field1:[20%20TO%2025]^10&start=0&rows=30
> > > > -will it be right?
> > > >
> > > > The above query: boosts the documents which suit the given query
> > > > ("scientific"), which has Field1 values between 20-25, by a factor of
> > 10
> > > :
> > > > Is that right??
> > > >
> > > > S
> > > >
> > > > 2011/7/20 Tomás Fernández Löbbe <tomasflo...@gmail.com>
> > > >
> > > > > Hi Sowmya, "bq" is a great way of boosting, but you have to be
> using
> > > the
> > > > > Dismax Query Parser or the Extended Dismax (edismax) query parser,
> it
> > > > > doesn't work with the Lucene Query Parser. If you can use any of
> > those,
> > > > > then
> > > > > that's the solution. If you need to use the Lucene Query Parser,
> for
> > a
> > > > user
> > > > > query like:
> > > > >
> > > > > scientific temper
> > > > >
> > > > > you could create a query like:
> > > > >
> > > > > (scientific temper) OR (scientific temper AND (field1:[10 TO
> > 2030]))^X
> > > > >
> > > > > being "X" the boost you want for those documents.
> > > > >
> > > > > with your query:
> > > > > scientific temper field1:[10 TO 2030]
> > > > >
> > > > > you are either adding the condition of the range value for the
> field
> > > (if
> > > > > your default operator is AND) or adding another way of matching the
> > > query
> > > > > (if your default operator ir OR, you can have documents in your
> > result
> > > > set
> > > > > that only matched the range query, and this is not what the user
> > > wanted).
> > > > >
> > > > > Hope this helps,
> > > > >
> > > > > Tomás
> > > > >
> > > > > On Wed, Jul 20, 2011 at 5:15 AM, Sowmya V.B. <vbsow...@gmail.com>
> > > wrote:
> > > > >
> > > > > > Can anyone throw some light on this issue?
> > > > > >
> > > > > > My problem is to: give a query time boost to certain documents,
> > which
> > > > > have
> > > > > > a
> > > > > > field, say field1, in the range that the user chooses during
> query
> > > > time.
> > > > > I
> > > > > > think the below link indicates a range query:
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> http://localhost:8085/solr/select?indent=on&version=2.2&q=scientific+temper+field1:[10%20TO%2030]&start=0&rows=10
> > > > > >
> > > > > > But, apart from that, how can I indicate a boost for the
> condition
> > > > > > field1:[10%20TO%2030]?
> > > > > >
> > > > > > I tried using a &bq=field1:[20 TO 25] and also &bq=field1:[20 TO
> > > 25]^10
> > > > > > -But I am not able to figure out what these two mean, from the
> > > results.
> > > > > > Because, i get top1 result as a document where field1 is 40..in
> > this
> > > > > > case..after using &bq clause. I increased the boost to 10,20,50
> > > > 100..but
> > > > > > the
> > > > > > results dont change at all.
> > > > > >
> > > > > > S.
> > > > > >
> > > > > > On Tue, Jul 19, 2011 at 4:28 PM, Sowmya V.B. <vbsow...@gmail.com
> >
> > > > wrote:
> > > > > >
> > > > > > > Hi
> > > > > > >
> > > > > > > Is query time boosting possible in Solr?
> > > > > > >
> > > > > > > Here is what I want to do: I want to boost the ranking of
> certain
> > > > > > > documents, which have their relevant field values, in a
> > particular
> > > > > range
> > > > > > > (selected by user at query time)...
> > > > > > >
> > > > > > > when I do something like:
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> http://localhost:8085/solr/select?indent=on&version=2.2&q=scientific+temper&fq=field1:[10%20TO%2030]&start=0&rows=10
> > > > > > > -I guess, it is just a filter over the normal results and not
> > > exactly
> > > > a
> > > > > > > query.
> > > > > > >
> > > > > > > I tried giving this:
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> http://localhost:8085/solr/select?indent=on&version=2.2&q=scientific+temper+field1:[10%20TO%2030]&start=0&rows=10
> > > > > > > -This still worked and gave me different results. But, I did
> not
> > > > quite
> > > > > > > understand what this second query meant. Does it mean: "Rank
> > those
> > > > > > documents
> > > > > > > with field1 value in 10-30 better than those without" ?
> > > > > > >
> > > > > > > S
> > > > > > > --
> > > > > > > Sowmya V.B.
> > > > > > > ----------------------------------------------------
> > > > > > > Losing optimism is blasphemy!
> > > > > > > http://vbsowmya.wordpress.com
> > > > > > > ----------------------------------------------------
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Sowmya V.B.
> > > > > > ----------------------------------------------------
> > > > > > Losing optimism is blasphemy!
> > > > > > http://vbsowmya.wordpress.com
> > > > > > ----------------------------------------------------
> > > > > >
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Sowmya V.B.
> > > > ----------------------------------------------------
> > > > Losing optimism is blasphemy!
> > > > http://vbsowmya.wordpress.com
> > > > ----------------------------------------------------
> > > >
> > >
> >
> >
> >
> > --
> > Sowmya V.B.
> > ----------------------------------------------------
> > Losing optimism is blasphemy!
> > http://vbsowmya.wordpress.com
> > ----------------------------------------------------
> >
>



-- 
Sowmya V.B.
----------------------------------------------------
Losing optimism is blasphemy!
http://vbsowmya.wordpress.com
----------------------------------------------------

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