@inproceedings{conf/sofsem/GottlobK06,
  author = "Georg Gottlob and Christoph Koch",
  booktitle = "{SOFSEM 2006: Theory and Practice of Computer Science, 32nd Conference on Current Trends in Theory and Practice of Computer Science, Mer\'{\i}n, Czech Republic, January 21-27, 2006, Proceedings}",
  doi = "10.1007/11611257_3",
  editor = "Jir\'{\i} Wiedermann and Gerard Tel and Jaroslav Pokorn{\'y} and M{\'a}ria Bielikov{\'a} and Julius Stuller",
  isbn = "3-540-31198-X",
  pages = "30-48",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  title = "A Formal Comparison of Visual Web Wrapper Generators",
  volume = "3831",
  year = "2006",
}