i've added another virtual method to FeatureFunction:
virtual void ChangeSource(InputType *&input) const
Override it in your own FF to change the input sentence. You can
1. add or change a factor. This could be used as a wrapper for a POS
tagger or a simple lookup
2. delete or add a word
3. delete the entire sentence and replace it with another 1, or replace
it with another input type (eg. replace a sentence with a tree). This could
be used as a wrapper for a parser that parses the input sentence.
i've added an example feature function
moses/FF/SkeletonChangeInput.cpp
ps. Not tested in any way. When you run it, it will probably assert that
you don't have the right factors. Comment out that code.
On 1 August 2014 18:31, Marcin Junczys-Dowmunt <[email protected]> wrote:
> Hi,
> does Moses support source generation steps before translation? I would
> like to accomplish something like that incredible ASCII art below, where t0
> is a surface form phrase table, g0 is the source POS generation model, g1
> taget POS generation model, lm0 is a surface language model, lm1 a POS
> language model, osm0 is a OSM is a defined over the generated POS tags. Is
> that possible?
>
>
> 0 src_word --t0--> trg_word --> lm0
> | |
> g0 g1
> | |
> V v
> 1 src_pos trg_pos --> lm1
> \ /
> \ /
> - osm0 -
>
>
>
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> Moses-support mailing list
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>
>
--
Hieu Hoang
Research Associate
University of Edinburgh
http://www.hoang.co.uk/hieu
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