Improving NLP through Marginalization of Hidden Syntactic Structure, Jason Naradowsky, Sebastian Riedel and David A. Smith, Proceedings of the Conference on Empirical methods in natural language processing (EMNLP '12) 2012 [pdf]
@inproceedings{narad12marg,
    address={Jeju, Korea}, 
    month={July}, 
    year={2012}, 
    author={Jason Naradowsky and Sebastian Riedel and David A. Smith}, 
    publisher={Association for Computational Linguistics}, 
    bdsk-url-1={http://www.cs.umass.edu/~narad/_papers/relmarg_emnlp2012.pdf}, 
    booktitle={Proceedings of the Conference on Empirical methods in natural language processing (EMNLP '12)}, 
    title={Improving NLP through Marginalization of Hidden Syntactic Structure}, 
}