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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: How to SSVD output to generate Clusters
Date Wed, 31 Jul 2013 16:09:55 GMT
Use the U matrix for clustering.

Note that you are replicating what the spectral clustering already does.


On Wed, Jul 31, 2013 at 5:09 AM, Stuti Awasthi <stutiawasthi@hcl.com> wrote:

> Hi All,
>
> I wanted to group the documents with same context but which belongs to one
> single domain together. I have tried KMeans and LDA provided in Mahout to
> perform the clustering but the groups which are generated are not very
> good. Hence I thought to use LSA to indentify the context related to the
> word and then perform the Clustering.
>
> I am able to run SSVD of Mahout and generated 3 files : Sigma,U,V as
> output of SSVD.
> I am not sure how to use the output of SSVD to fed to the Clustering
> Algorithm so that we can generate the clusters of the documents which might
> be talking about same context.
>
> Any pointers how can I achieve this ?
>
> Regards
> Stuti Awasthi
>
>
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