[itsdb] parse big corpus with itsdb

[Berthold Crysmann]

On Wed, 2006-11-08 at 10:36 +0900, Francis Bond wrote:

> G'day,
> 
> shouldn't you be asleep by now?
> 
> >  I am wondering what exactly is the difference between -results --- I know
> > what that one is --- and -nsolutions. Can anyone enlighten me here?
> 
> I think:
> 
> -results sits in the output routine and stops it printing all the
> results.  They are still all calculated.
> 
> -nsolutions asks cheap to only produce the top "n" parses.
>  - with no model, I don't knwo what it does
>  - with just a scoring model it uses some kind of beam search (I think)
>  -- this means that the result is often not the global optimum

Yes. That's what we observed as well.

>  - with selective unpacking it should produce the global best n results
>  -- without having to explore the whole search space
> 

Is there any documentation, i.e. paper,  on how this is done?

Thanks a lot for the summary. 

Berthold 

> Stephen, Bernd or Yi, please correct me if I am wrong.
> 
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