Re: [nltk-users] how to use Gale-church in python?

[Alex Rudnick]

Hey liling,

Code in nltk_contrib has usually gotten less love and attention than
stuff in the main nltk, so maybe nobody knows how to use this.

But I'll probably need to get some automatic alignments in the near
future, so if I end up making use of this code, I'll improve the
documentation on it (and write back on this thread).

If you figure out how to use it, let us know! You could maybe ask the author?

On Wed, Apr 6, 2011 at 10:30 PM, 2er0 <alva...@gmail.com> wrote:
> The gale-church algorithm for sentence-level alignment is available on
> python, but can someone give a tutorial or explain how can i call the
> function in my own python scrip?
>
> http://code.google.com/p/nltk/source/browse/trunk/nltk_contrib/nltk_contrib/align/align.py?r=8552&spec=svn8552
>
> I've raised the question on stackoverflow but there's no response too
>
> Thank you,
> liling
>
>
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--
-- alexr

[liling tan]

Hi Alex,

 

yep, the align.py is a little buggy and i got it to run, just that it's not doing what i need,

align.py works for the demo but it's still code in progress.

i guess, i will need to recode some bits and cut and paste the mathematical part into

my script if i really need to use it.

 

Janislaw figured how to use it

 http://stackoverflow.com/questions/5564066/how-to-use-the-gale-church-algorithm-in-python-nltk

 

i was trying gale-church because of cross-lingual (asian and european languages) data,

the hunalign wasn't working. it's giving "file too different in size" errors.

 

any thoughts on a "sentential" N-gram? comparing sentence by length (gale-church) and then

a N-gram comparison across N-1 and N+1 sentences? Not sure, how i can do this systematically.

 

liling