The CoNLL 2007 Shared Task on Dependency Parsing, J. Nivre, J. Hall, S. Kubler, R. McDonald, J. Nilsson, S. Riedel and D. Yuret, Conference on Empirical Methods in Natural Language Processing and Natural Language Learning 2007 [pdf]
@inproceedings{nivre07shared,
    pages={915---932}, 
    year={2007}, 
    author={J. Nivre and J. Hall and S. Kubler and R. McDonald and J. Nilsson and S. Riedel and D. Yuret}, 
    bdsk-url-1={http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.62.4778&rep=rep1&type=pdf}, 
    booktitle={Conference on Empirical Methods in Natural Language Processing and Natural Language Learning}, 
    title={The CoNLL 2007 Shared Task on Dependency Parsing}, 
}