@article{Xu-EtAl:2016:TACL,
   author = {Wei Xu and Courtney Napoles and Ellie Pavlick and Quanze Chen and Chris Callison-Burch},
   title = {Optimizing Statistical Machine Translation for Text Simplification},
   journal = {Transactions of the Association for Computational Linguistics},
   volume = {4},
   year = {2016},
   url = {https://cocoxu.github.io/publications/tacl2016-smt-simplification.pdf},
   pages = {401--415}
 }