Hello

My name is Oscar González, i'm studing System Engeineer in the universidad el Bosque from Colombia. And i have the next question:

I have a web aplication with hibernate. And i need use clustering, kmeans algorithm. I wanna use mahout, but I don't know, how can I apply mahout in my project... I'm using netbeans. Please answer me,

Thanks

Oscar Miguel Gonzalez

Enviado desde mi iPad

Hi Oscar,

It would help a lot if you could provide a bit more information on the
data that you wish to cluster, particularly the dimensionality of each
record and the number of records. Also please note that Mahout's k-means
implementation runs in a batch mode on Hadoop so integrating this with
your hibernate data set would require you to dump the SQL data into
Hadoop sequence files in order cluster it. The result sequence files
would then need to be loaded back into hibernate. Depending how your web
application uses the clustered data, this may not meet your performance
requirements.

If not, you may want to look at Weka
(http://www.cs.waikato.ac.nz/ml/weka) instead, also Ted Dunning has
recently posted links to a single pass k-means implementation that you
might be able to integrate into your web application.
On 4/16/12 1:27 AM, OSCAR wrote:
> Hello
>
> My name is Oscar González, i'm studing System Engeineer in the universidad el Bosque from Colombia. And i have the next question:
>
> I have a web aplication with hibernate. And i need use clustering, kmeans algorithm. I wanna use mahout, but I don't know, how can I apply mahout in my project... I'm using netbeans. Please answer me,
>
> Thanks
>
> Oscar Miguel Gonzalez
>
> Enviado desde mi iPad
>
>

The simplest way would be :
1) Create a maven project.
2) Add mahout-core as a dependency.
3) Use KMeansDriver's run method.
    If you set parameter runSequential=true, then you don't even need
hadoop cluster, but you will not be able to cluster really large datasets.

So, try it out with a smaller number of records(vectors) first, then go
for hadoop cluster ( by setting runSequential=false and setting up
HADOOP_HOME) .

You can find the documentation for KMeans here:
https://cwiki.apache.org/confluence/display/MAHOUT/K-Means+Clustering

You can also start with Canopy Clustering and then go for K-Means, as
its simpler and fast.
https://cwiki.apache.org/confluence/display/MAHOUT/Canopy+Clustering

I recommend mahout 0.7-snapshot ( i.e. the current code at trunk ).

On 16-04-2012 10:57, OSCAR wrote:
> Hello
>
> My name is Oscar González, i'm studing System Engeineer in the universidad el Bosque from Colombia. And i have the next question:
>
> I have a web aplication with hibernate. And i need use clustering, kmeans algorithm. I wanna use mahout, but I don't know, how can I apply mahout in my project... I'm using netbeans. Please answer me,
>
> Thanks
>
> Oscar Miguel Gonzalez
>
> Enviado desde mi iPad

Hello Oscar,
here you find an example how to bundle Mahout with a web application:

https://github.com/ManuelB/facebook-recommender-demo/blob/master/pom.xml

/Manuel

On 16.04.2012, at 17:28, Paritosh Ranjan wrote:

> The simplest way would be :
> 1) Create a maven project.
> 2) Add mahout-core as a dependency.
> 3) Use KMeansDriver's run method.
>   If you set parameter runSequential=true, then you don't even need hadoop cluster, but you will not be able to cluster really large datasets.
>
> So, try it out with a smaller number of records(vectors) first, then go for hadoop cluster ( by setting runSequential=false and setting up HADOOP_HOME) .
>
> You can find the documentation for KMeans here:
> https://cwiki.apache.org/confluence/display/MAHOUT/K-Means+Clustering
>
> You can also start with Canopy Clustering and then go for K-Means, as its simpler and fast.
> https://cwiki.apache.org/confluence/display/MAHOUT/Canopy+Clustering
>
> I recommend mahout 0.7-snapshot ( i.e. the current code at trunk ).
>
> On 16-04-2012 10:57, OSCAR wrote:
>> Hello
>>
>> My name is Oscar González, i'm studing System Engeineer in the universidad el Bosque from Colombia. And i have the next question:
>>
>> I have a web aplication with hibernate. And i need use clustering, kmeans algorithm. I wanna use mahout, but I don't know, how can I apply mahout in my project... I'm using netbeans. Please answer me,
>>
>> Thanks
>>
>> Oscar Miguel Gonzalez
>>
>> Enviado desde mi iPad
>

--
Manuel Blechschmidt
Dortustr. 57
14467 Potsdam
Mobil: 0173/6322621
Twitter: http://twitter.com/Manuel_B

And, finally, if you want to embed Mahout clustering in your web
application and the data all fits into memory or you can devise an
Iterator<Vector> to feed data into it, the ClusterIterator.iterate(...)
method will do k-means (also fuzzyK and Dirichlet) clustering in memory.

On 4/16/12 11:34 AM, Manuel Blechschmidt wrote:
> Hello Oscar,
> here you find an example how to bundle Mahout with a web application:
>
> https://github.com/ManuelB/facebook-recommender-demo/blob/master/pom.xml
>
> /Manuel
>
> On 16.04.2012, at 17:28, Paritosh Ranjan wrote:
>
>> The simplest way would be :
>> 1) Create a maven project.
>> 2) Add mahout-core as a dependency.
>> 3) Use KMeansDriver's run method.
>>    If you set parameter runSequential=true, then you don't even need hadoop cluster, but you will not be able to cluster really large datasets.
>>
>> So, try it out with a smaller number of records(vectors) first, then go for hadoop cluster ( by setting runSequential=false and setting up HADOOP_HOME) .
>>
>> You can find the documentation for KMeans here:
>> https://cwiki.apache.org/confluence/display/MAHOUT/K-Means+Clustering
>>
>> You can also start with Canopy Clustering and then go for K-Means, as its simpler and fast.
>> https://cwiki.apache.org/confluence/display/MAHOUT/Canopy+Clustering
>>
>> I recommend mahout 0.7-snapshot ( i.e. the current code at trunk ).
>>
>> On 16-04-2012 10:57, OSCAR wrote:
>>> Hello
>>>
>>> My name is Oscar Gonz�lez, i'm studing System Engeineer in the universidad el Bosque from Colombia. And i have the next question:
>>>
>>> I have a web aplication with hibernate. And i need use clustering, kmeans algorithm. I wanna use mahout, but I don't know, how can I apply mahout in my project... I'm using netbeans. Please answer me,
>>>
>>> Thanks
>>>
>>> Oscar Miguel Gonzalez
>>>
>>> Enviado desde mi iPad