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From Maisnam Ns <maisnam...@gmail.com>
Subject Re: Proximity query
Date Thu, 12 Feb 2015 18:54:54 GMT
Hi,

I googled it but could not find the jars of these classes can some help me
where to get the jars

import org.apache.lucene.corpus.stats.IDFCalc;
import org.apache.lucene.corpus.stats.TFIDFPriorityQueue;
import org.apache.lucene.corpus.stats.TermIDF;

Thanks

On Thu, Feb 12, 2015 at 11:01 PM, Maisnam Ns <maisnam.ns@gmail.com> wrote:

> Hi Allison and Sujit,
>
> Thanks so much for your links I am so happy I am looking at  exactly the
> links that almost covers my use case.
>
> Allison, sure will get back to you if I have some more questions.
>
> Regards
> NS
>
>
>
>
>
> On Thu, Feb 12, 2015 at 10:49 PM, Sujit Pal <sujit.pal@comcast.net> wrote:
>
>> I did something like this sometime back. The objective was to find
>> patterns
>> surrounding some keywords of interest so I could find keywords similar to
>> the ones I was looking for, sort of like a poor man's word2vec. It uses
>> SpanQuery as Jigar said, and you can find the code here (I believe it was
>> written against Lucene 3.x so you may have to upgrade it if you are using
>> Lucene 4.x):
>>
>>
>> http://sujitpal.blogspot.com/2011/08/implementing-concordance-with-lucene.html
>>
>> -sujit
>>
>>
>> On Thu, Feb 12, 2015 at 8:57 AM, Maisnam Ns <maisnam.ns@gmail.com> wrote:
>>
>> > Hi Shah,
>> >
>> > Thanks for your reply. Will try to google SpanQuery meanwhile if you
>> have
>> > some links can you please share
>> >
>> > Thanks
>> >
>> > On Thu, Feb 12, 2015 at 10:17 PM, Jigar Shah <jigaronline@gmail.com>
>> > wrote:
>> >
>> > > This concept is called Proximity Search in general.
>> > >
>> > > In Lucene they are achieved using SpanQuery.
>> > >
>> > > On Thu, Feb 12, 2015 at 10:10 PM, Maisnam Ns <maisnam.ns@gmail.com>
>> > wrote:
>> > >
>> > > > Hi,
>> > > >
>> > > > Can someone help me if this use case is possible or not with lucene
>> > > >
>> > > > Use case: I have a string say 'Japan' appearing in 10 documents and
>> I
>> > > want
>> > > > to get back , say some results which contain two words before
>> 'Japan'
>> > and
>> > > > two words after 'Japan' may be something like this ' Economy of
>> Japan
>> > is
>> > > > growing' etc.
>> > > >
>> > > >  If it is not possible where should I look for such queries
>> > > >
>> > > > Thanks´╗┐
>> > > >
>> > >
>> >
>>
>
>

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