@string{IWPT:07 = {Proceedings of the 10th
                   {I}nternational {C}onference on {P}arsing {T}echnologies}}

@inproceedings{Zha:Oep:Car:07,
  author = {Yi Zhang and Stephan Oepen and John Carroll},
  title = {Efficiency in Unification-Based N-Best Parsing},
  booktitle = IWPT:07,
  address = {Prague, Czech Republic},
  month = {July},
  pages = {48$\,$--$\,$59},
  year = 2007
}