@InProceedings{hying:2007:Prep07,
  author    = {Hying, Christian},
  title     = {A Corpus-Based Analysis of Geometric Constraints on Projective Prepositions},
  booktitle = {Proceedings of the 4th ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {1--8},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1601}
}