@inproceedings{spitkovsky2011punctuation,
 author = {Spitkovsky, Valentin I.  and  Alshawi, Hiyan  and  Jurafsky, Daniel},
 booktitle = {Proceedings of the Fifteenth Conference on Computational Natural Language Learning (CoNLL-2011)},
 title = {Punctuation: Making a Point in Unsupervised Dependency Parsing},
 url = {pubs/punctuation.pdf},
 year = {2011},
}