@inproceedings{conf/sebd/GottlobLS01,
  title = "Robbers, Marshals, and Guards: Game Theoretic and Logical Characterizations of Hypertree Width",
  author = "Georg Gottlob and Nicola Leone and Francesco Scarcello",
  year = "2001",
  booktitle = "{SEBD}",
  pages = "147-154",
}