@inproceedings{BasileBosEvangVenhuizen2012STARSEM,
   title     = {UGroningen: Negation detection with Discourse Representation Structures},
   author    = {Basile, Valerio and Bos, Johan and Evang, Kilian and Venhuizen, Noortje},
   booktitle = {*SEM},
   address   = {Montreal},
   year      = {2012}
}