Incremental Integer Linear Programming for Non-projective Dependency Parsing, Sebastian Riedel and James Clarke, Proceedings of the Conference on Empirical methods in natural language processing (EMNLP) 2006 [pdf]
@inproceedings{riedel06incremental,
    pages={129--137}, 
    month={July}, 
    year={2006}, 
    author={Sebastian Riedel and James Clarke}, 
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    bdsk-url-1={http://aclweb.org/anthology-new/W/W06/W06-1616.pdf}, 
    booktitle={Proceedings of the Conference on Empirical methods in natural language processing (EMNLP)}, 
    title={Incremental Integer Linear Programming for Non-projective Dependency Parsing}, 
}