@INPROCEEDINGS {11472,
author={A. Martins and N. A. Smith and P. Aguiar and M. A. T. Figueiredo},
doi={},
booktitle={Empirical Methods in Language Processing - EMNLP},
title={Structured sparsity in structured prediction},
year={2011},
month={July},
volume={  },
pages={ - } 
}