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Posted to java-user@lucene.apache.org by Chris Spencer <ch...@gmail.com> on 2011/04/07 01:46:45 UTC
Indexing Non-Textual Data
Hi,
I'm new to Lucene, so forgive me if this is a newbie question. I have a
dataset composed of several thousand lists of 128 integer features, each
list associated with a class label. Would it be possible to use Lucene as a
classifier, by indexing the label with respect to these integer features,
and then classify a new list by finding the most similar labels with Lucene?
I'm specifically interested in doing so through the PyLucene API, so I've
been going through the PyLucene samples, but they only seem to involve
indexing text, not continuous features (understandably). Could anyone point
me to an example that indexes non-textual data?
I think the project Lire (http://www.semanticmetadata.net/lire/) is using
Lucene to do something similar to this, although with an emphasis on image
features. I've dug into their code a little, but I'm not a strong Java
programmer, so I'm not sure how they're pulling it off, nor how I might
translate this into the PyLucene API. In your opinion, is this a practical
use of Lucene?
Regards,
Chris
Re: Indexing Non-Textual Data
Posted by Chris Spencer <ch...@gmail.com>.
My question wasn't just about classification. I'm asking, is there a way to
classify non-textual data with Lucene? Yes, I know how to Google, and I've
read the mailing list logs. All of those results only concern classifying
simple text, not arbitrary numeric features.
Regards,
Chris
On Thu, Apr 7, 2011 at 1:04 AM, Otis Gospodnetic <otis_gospodnetic@yahoo.com
> wrote:
> Hi Chris,
>
> Yes, people have done classification with Lucene before. Have a look at
> http://search-lucene.com/?q=classifier&fc_project=Lucene for some
> discussions
> and actual code (in old JIRA issues)
>
> Otis
> ----
> Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch
> Lucene ecosystem search :: http://search-lucene.com/
>
>
>
> ----- Original Message ----
> > From: Chris Spencer <ch...@gmail.com>
> > To: java-user@lucene.apache.org
> > Sent: Wed, April 6, 2011 7:46:45 PM
> > Subject: Indexing Non-Textual Data
> >
> > Hi,
> >
> > I'm new to Lucene, so forgive me if this is a newbie question. I have a
> > dataset composed of several thousand lists of 128 integer features, each
> > list associated with a class label. Would it be possible to use Lucene
> as a
> > classifier, by indexing the label with respect to these integer
> features,
> > and then classify a new list by finding the most similar labels with
> Lucene?
> >
> > I'm specifically interested in doing so through the PyLucene API, so
> I've
> > been going through the PyLucene samples, but they only seem to involve
> > indexing text, not continuous features (understandably). Could anyone
> point
> > me to an example that indexes non-textual data?
> >
> > I think the project Lire (http://www.semanticmetadata.net/lire/) is
> using
> > Lucene to do something similar to this, although with an emphasis on
> image
> > features. I've dug into their code a little, but I'm not a strong Java
> > programmer, so I'm not sure how they're pulling it off, nor how I might
> > translate this into the PyLucene API. In your opinion, is this a
> practical
> > use of Lucene?
> >
> > Regards,
> > Chris
> >
>
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> To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
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>
Re: Indexing Non-Textual Data
Posted by Otis Gospodnetic <ot...@yahoo.com>.
Hi Chris,
Yes, people have done classification with Lucene before. Have a look at
http://search-lucene.com/?q=classifier&fc_project=Lucene for some discussions
and actual code (in old JIRA issues)
Otis
----
Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch
Lucene ecosystem search :: http://search-lucene.com/
----- Original Message ----
> From: Chris Spencer <ch...@gmail.com>
> To: java-user@lucene.apache.org
> Sent: Wed, April 6, 2011 7:46:45 PM
> Subject: Indexing Non-Textual Data
>
> Hi,
>
> I'm new to Lucene, so forgive me if this is a newbie question. I have a
> dataset composed of several thousand lists of 128 integer features, each
> list associated with a class label. Would it be possible to use Lucene as a
> classifier, by indexing the label with respect to these integer features,
> and then classify a new list by finding the most similar labels with Lucene?
>
> I'm specifically interested in doing so through the PyLucene API, so I've
> been going through the PyLucene samples, but they only seem to involve
> indexing text, not continuous features (understandably). Could anyone point
> me to an example that indexes non-textual data?
>
> I think the project Lire (http://www.semanticmetadata.net/lire/) is using
> Lucene to do something similar to this, although with an emphasis on image
> features. I've dug into their code a little, but I'm not a strong Java
> programmer, so I'm not sure how they're pulling it off, nor how I might
> translate this into the PyLucene API. In your opinion, is this a practical
> use of Lucene?
>
> Regards,
> Chris
>
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