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--- papers:tr-bottou-2011 [2015/12/10 14:45]
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+++ papers:tr-bottou-2011 [2016/09/12 09:34]
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-A revision of this text was published in [[bottou-mlj-2013|Machine Learning Journal]].
+A revision of this text was published in [[bottou-mlj-2013| 2014 (MLJ)]].
+===== Notes =====
+This documents cite the work of Vincent Etter (2009) carried out during his NEC Labs internship. Vincent's master report is now available on [[http://vincent.etter.io/publications/etter2009master.pdf|his home page]] ({{vincentetter.pdf|local copy}}). Section 5 is an exploration of that were extensively discussed between Ronan Collobert, Jason Weston and I. We had the hope to discover relevant recursive sentence representation in an unsupervised manner. Alas we found that the shape of the structure of a recursive network has very little impact on its representation abilities, something that was confirmed by [[https://arxiv.org/pdf/1301.2811.pdf|Scheible and Schütze]] on a sentiment classification task. Even a left-to-right tree (which amounts to using a recurrent neural network in fact) worked essentially as well, something that was later confirmed by [[http://arxiv.org/pdf/1506.01057v1.pdf|Li et al.]] on a variety of tasks.  I still had hopes to make it work when I wrote this tech report in 2010. I now believe that structure discovery needs a completely different approach on the cost functions (2016).