Structured Sparsity in Structured Prediction André Martins author Noah Smith author Mário Figueiredo author Pedro Aguiar author 2011-07 text Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing Regina Barzilay editor Mark Johnson editor Association for Computational Linguistics Edinburgh, Scotland, UK. conference publication martins-etal-2011-structured https://aclanthology.org/D11-1139/ 2011-07 1500 1511