Relaxed Marginal Inference and its Application to Dependency Parsing, Sebastian Riedel and David A. Smith, Joint Human Language Technology Conference/Annual Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL) 2010 [pdf]
@inproceedings{riedel10relaxed,
    address={Los Angeles, California}, 
    year={2010}, 
    author={Sebastian Riedel and David A. Smith}, 
    bdsk-url-1={http://www.aclweb.org/anthology/N10-1117}, 
    title={Relaxed Marginal Inference and its Application to Dependency Parsing}, 
    pages={760--768}, 
    month={June}, 
    publisher={Association for Computational Linguistics}, 
    booktitle={Joint Human Language Technology Conference/Annual Meeting of the North American Chapter of the Association for Computational Linguistics (HLT-NAACL)}, 
}