[Corpora-List] CRF for POS tagging

[Kuzman Ganchev]

Mallet [1] has a pretty extensive CRF implementation, although I've
usually used it as a library rather than a stand alone application.
There is a command line front-end that takes input one-line per token
with features seperated by spaces.  I believe output is similarly
formatted.

Training a CRF for many tags is a little tricky though, even with just
45 tags, it helps to limit the number of tag-tag-word features. 

Kuzman

[1] http://mallet.cs.umass.edu/


On Mon, Oct 05, 2009 at 10:59:42AM +0530, Navanath Saharia wrote:
> Dear Corpora List members,
> 
> 
> I would like to use the CRF for supervised learning in the context of part
> of speech tagging of a free word language. Does anyone give hints about any
> program except CRF++ (http://crfpp.sourceforge.net ) that I can use
> directly.
> 
> I also would like to have some details on the inputs, outputs  format of the
> program
> 
> Thanks in advance
> 
> 
> Navanath Saharia

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