@Book{Prep07:2007,
  editor    = {Fintan Costello  and  John Kelleher  and  Martin Volk},
  title     = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-16}
}

@InProceedings{hying:2007:Prep07,
  author    = {Hying, Christian},
  title     = {A Corpus-Based Analysis of Geometric Constraints on Projective Prepositions},
  booktitle = {Proceedings of the Fourth 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}
}

@InProceedings{furlan-baldwin-klippel:2007:Prep07,
  author    = {Furlan, Aidan  and  Baldwin, Timothy  and  Klippel, Alex},
  title     = {Landmark Classification for Route Directions},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {9--16},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1602}
}

@InProceedings{fort-guillaume:2007:Prep07,
  author    = {Fort, Kar\"{e}n  and  Guillaume, Bruno},
  title     = {PrepLex: A Lexicon of French Prepositions for Parsing},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {17--24},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1603}
}

@InProceedings{chodorow-tetreault-han:2007:Prep07,
  author    = {Chodorow, Martin  and  Tetreault, Joel  and  Han, Na-Rae},
  title     = {Detection of Grammatical Errors Involving Prepositions},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {25--30},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1604}
}

@InProceedings{domges-EtAl:2007:Prep07,
  author    = {D\"{o}mges, Florian  and  Kiss, Tibor  and  M\"{u}ller, Antje  and  Roch, Claudia},
  title     = {Measuring the Productivity of Determinerless PPs},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {31--37},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1605}
}

@InProceedings{caselli-quochi:2007:Prep07,
  author    = {Caselli, Tommaso  and  Quochi, Valeria},
  title     = {Inferring the Semantics of Temporal Prepositions in Italian},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {38--44},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1606}
}

@InProceedings{defelice-pulman:2007:Prep07,
  author    = {De Felice, Rachele  and  Pulman, Stephen},
  title     = {Automatically Acquiring Models of Preposition Use},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {45--50},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1607}
}

@InProceedings{husain-sharma-reddy:2007:Prep07,
  author    = {Husain, Samar  and  Sharma, Dipti Misra  and  Reddy, Manohar},
  title     = {Simple Preposition Correspondence: A Problem in English to Indian Language Machine Translation},
  booktitle = {Proceedings of the Fourth ACL-SIGSEM Workshop on Prepositions},
  month     = {June},
  year      = {2007},
  address   = {Prague, Czech Republic},
  publisher = {Association for Computational Linguistics},
  pages     = {51--58},
  url       = {http://www.aclweb.org/anthology/W/W07/W07-1608}
}