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Date: Fri, 10 Apr 2009 23:07:24 -0700
Message-ID: <e6537db80904102307x5f69a32ft9284325186299b46@mail.gmail.com>
Subject: Re: Grouping Lucene search results and calculating frequency by
	category
From: "J. Delgado" <joaquin.delgado@gmail.com>
To: java-dev@lucene.apache.org
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Have you looked at SOLR?
http://lucene.apache.org/solr/

It pretty much has what you are looking for.

-- Joaquin

On Fri, Apr 10, 2009 at 9:39 PM, mitu2009 <musicfreaque@gmail.com> wrote:

>
> Am working on a store search API using Lucene.
>
> I need to show store search results for each City,State combination with
> its
> frequency in brackets....for example:
>
> Los Angles,CA (450) Atlant,GA (212) Boston, MA (78) . . .
>
> As of now, my search results return around 7000 lucene documents on an
> average if the user says "Show me all the stores". In this use case, I end
> up showing around 800 unique City,State records as shown above.
>
> Am overriding HitCollector class's Collect method and retrieving vectors as
> follows: var vectors = _reader.GetTermFreqVectors(doc); Then I iterate
> through this collection and calculate the frequency for each unique
> City,State combination.
>
> But this is turning out to be very very slow in performance...is there any
> better way of grouping search results and calculating frequency in Lucene?
> Code snippet would be very helpful
>
> Also,please suggest me if i can optimize my Lucene search code using any
> other techniques/tips....
>
> Thanks for reading!
>
> --
> View this message in context:
> http://www.nabble.com/Grouping-Lucene-search-results-and-calculating-frequency-by-category-tp22997958p22997958.html
> Sent from the Lucene - Java Developer mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-dev-unsubscribe@lucene.apache.org
> For additional commands, e-mail: java-dev-help@lucene.apache.org
>
>

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Have you looked at SOLR?<br><a href=3D"http://lucene.apache.org/solr/">http=
://lucene.apache.org/solr/</a><br><br>It pretty much has what you are looki=
ng for.<br><br>-- Joaquin<br><br><div class=3D"gmail_quote">On Fri, Apr 10,=
 2009 at 9:39 PM, mitu2009 <span dir=3D"ltr">&lt;<a href=3D"mailto:musicfre=
aque@gmail.com">musicfreaque@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204, =
204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><br>
Am working on a store search API using Lucene.<br>
<br>
I need to show store search results for each City,State combination with it=
s<br>
frequency in brackets....for example:<br>
<br>
Los Angles,CA (450) Atlant,GA (212) Boston, MA (78) . . .<br>
<br>
As of now, my search results return around 7000 lucene documents on an<br>
average if the user says &quot;Show me all the stores&quot;. In this use ca=
se, I end<br>
up showing around 800 unique City,State records as shown above.<br>
<br>
Am overriding HitCollector class&#39;s Collect method and retrieving vector=
s as<br>
follows: var vectors =3D _reader.GetTermFreqVectors(doc); Then I iterate<br=
>
through this collection and calculate the frequency for each unique<br>
City,State combination.<br>
<br>
But this is turning out to be very very slow in performance...is there any<=
br>
better way of grouping search results and calculating frequency in Lucene?<=
br>
Code snippet would be very helpful<br>
<br>
Also,please suggest me if i can optimize my Lucene search code using any<br=
>
other techniques/tips....<br>
<br>
Thanks for reading!<br>
<font color=3D"#888888"><br>
--<br>
View this message in context: <a href=3D"http://www.nabble.com/Grouping-Luc=
ene-search-results-and-calculating-frequency-by-category-tp22997958p2299795=
8.html" target=3D"_blank">http://www.nabble.com/Grouping-Lucene-search-resu=
lts-and-calculating-frequency-by-category-tp22997958p22997958.html</a><br>

Sent from the Lucene - Java Developer mailing list archive at Nabble.com.<b=
r>
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</font></blockquote></div><br>

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