% @string{cpaior=" International Conference on Integration of AI and OR Techniques in Constraint Programming"}
% @string{cpaior07="CPAIOR-07: 4th" # cpaior}
% @string{lncs="Lecture Notes in Computer Science"}

@string{cpaior=" CPAIOR"}
@string{cpaior07="4th" # cpaior}
@string{lncs="LNCS"}


@inproceedings{cghss07:connection,
  author={Conrad, Jon and Gomes, Carla P. and {van Hoeve}, Willem-Jan and Sabharwal, Ashish and Suter, Jordan},
  title={Connections in Networks: Hardness of Feasibility versus Optimality},
  booktitle=cpaior07,
  month=may,
  year=2007,
  series=lncs,
  volume=4510,
  address={Brussels, Belgium},
  pages={16-28}}