I'm going to try very hard not to make this sound like a rant. Rather, I hope the following (probably long-winded) observations may seed an interesting debate as to where we are these days w.r.t. corpus-based MT, and MT in general.

As many of you know, I submit to and review for many NLP and (especially) MT conferences. In my experience (and I trust this is relatively uncontroversial), the vast majority of MT papers that one sees nowadays are corpus-based. Now, even though I work mostly in the area of EBMT, I think it is again uncontroversial to state that most of the corpus-based MT papers one sees are not EBMT, but rather SMT. Herein
lies the point I would like to make.


We submitted a paper recently to a conference (I won't say which, but it wasn't an MT conference per se) which was turned down. The paper received 3 reviews. One comment received was:

      "the paper ... completely ignores the current mainstream empirical
      approach to machine translation: phrase-based or template-based
      statistical machine translation".

This was true - it did. One useful comment was for us to compare our
approach with an SMT approach - we're trying this out as we speak, but
I wonder whether any SMT paper would be asked to compare its findings
with those of an EBMT approach? Is it the case nowadays that a paper
on (the admittedly considerably less mainstream) EBMT cannot stand on
its own merit?

Nevertheless, EBMT has been chunking sentences into phrases from the
word go. SMT has recently caught on to this idea, and results have
improved quite dramatically. Despite this, one other comment was:

      "there is no discussion to how [our approach] would compare
       with more established techniques such as word-alignment using
       statistical models. Showing that [our approach] is comparable
       (or better) than the traditional way of acquiring
       phrase-alignment [SMT, references excluded here] would make
       this paper just great".

I think this is my main concern: SMT is very well (and deservedly so)
established nowadays as the main way to do MT. Unless you're an MT
person, you'd think that it was the _only_ way to do MT, as here.

We've all received rejections before, and dodgy reviews too. I too reject papers, and I'm sure I've given the odd dodgy review too! I hope
I'm making it clear that's not my main concern here. Rather, I have
these questions:


   1. Can papers on EBMT succeed in getting published (especially in
      non-expert, i.e. MT-specific, conferences) without making direct
      comparisons to SMT?

   2. Can anyone envisage a situation where an SMT paper was asked to
      compare its results against an MT model?

   3. Has EBMT as a paradigm been 'muscled out' by the more dominant
      SMT approach?

   4. Instead of signalling the 'bright new dawn' for EBMT, will the
      volume of [Carl & Way, 2003] instead come to be seen as the
      epitaph for this approach?

OK, maybe I'm being a bit OTT here, but you get the point. Anyone care
to indulge me here?

Cheers,
Andy.


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