[CL+NLP Lunch] CL+NLP Lunch, Dan Garrette, April 10 @noon

[Dani Yogatama]

reminder tomorrow at noon

On Monday, March 31, 2014, Dani Yogatama <dyogatama at cs.cmu.edu> wrote:

> *CL+NLP Lunch *(*http://www.cs.cmu.edu/~nlp-lunch/
> <http://www.cs.cmu.edu/~nlp-lunch/>*)
> *Speaker*: Dan Garrette, The University of Texas at Austin
> *Date*: Thursday, April 10, 2013
> *Time*: 12:00 noon
> *Venue*: GHC 6501
>
> *Title*:  Learning Combinatory Categorial  Grammars from Wrak Supervision
>
> *Abstract*:
> Grammar learning is a well-studied problem in NLP, but the task is
> particularly difficult for low-resource languages.  In this talk, I
> will discuss our current work in learning combinatory categorial
> grammars from various forms of weak supervision.  First, I will show
> how we can learn good sequence-based CCG supertaggers by encoding
> universal, inherent properties of the CCG formalism as priors over
> both the appearance of supertags and the transitions between
> supertags.  These universal priors can, in turn, be combined with
> corpus-specific knowledge derived from available (partial) tag
> dictionaries and unannotated text to further improve tagging
> performance.  Then, I will discuss our current efforts to extend these
> principles to tree grammars to learn CCG parsers.  Finally, I will
> discuss how simple annotations --- particularly those given in the
> Graph Fragment Language developed at CMU --- may be used to help
> learn parsers under extremely tight annotation budgets.
>
> This work is in collaboration with Jason Baldridge, Chris Dyer, and Noah
> Smith.
>
> *Biography*:
> Dan is a a Computer Science Ph.D. student at The University of Texas
> at Austin. His research focuses on Natural Language Processing and
> Machine Learning.  He was a Best Talk Award nominee at NAACL this
> past year. He thinks slides should have less text and more animations.
>
>
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