Some things that I was already planning to do in adaptive decoding

1. One can query the phrase pair and get the scores
2. One can change the scores given the phrase pair
3. Update scores of selected phrase entries after decoding a sentence
This implementation would help in a scenario where I have a feedback in the form of posteditions by a translator.

--
Prashant

On 08/24/2012 05:43 PM, Nicola Bertoldi wrote:
 Hi Barry, Hi Prashant

could the implementation of  "parallel data structure"
be a nice project for the forthcoming  MT Marathon?

Which characteristics should it have?

I have some ideas about it

Nicola


On Aug 24, 2012, at 5:25 PM, Barry Haddow wrote:

Hi Prashant

If you want to update the phrase table after it's loaded, then you want to use the in-memory one (PhraseDictionaryMemory) rather than the on-demand one (PhraseDictionaryTree) since the entries in the latter are loaded from disk as required and changes may be overwritten.

If you update the in-memory table though, you should remember that Moses assumes it is thread-safe, and also that Moses prunes it at load time to (a default of) 20 entries per source phrase.

I actually think that creating a "parallel data structure", or in fact a wrapper that implements the same interface as the PhraseDictionaries and delegates to one of the real ones, could be a cleaner solution,

cheers - Barry

On 24/08/12 15:03, Prashant Mathur wrote:
Hi All,
I am trying to change the phrase scores after the phrase table and reordering model is loaded in the memory. Is it possible? If so, which class should I look into? If not.. is it possible to maintain a parallel data structure and prioritize it over the already loaded scores?
--
Prashant


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