@InProceedings{NissimPietrandreaSansoMauri:2013:IWCS2013:ISA-9,
  author    = {Malvina Nissim  and  Paola Pietrandrea  and  Andrea Sanso  and  Caterina Mauri},
  title     = {Cross-linguistic annotation of modality: a data-driven hierarchical model},
  booktitle = {Proceedings of the 9th Joint ISO - ACL SIGSEM Workshop on Interoperable Semantic Annotation},
  month     = {March},
  year      = {2013},
  address   = {Potsdam, Germany},
  publisher = {Association for Computational Linguistics},
  pages     = {7--14},
  url       = {http://www.aclweb.org/anthology/W13-0501}
}