@article{journals/corr/cs-DB-0310012,
  title = "A Formal Comparison of Visual Web Wrapper Generators",
  author = "Georg Gottlob and Christoph Koch",
  year = "2003",
  journal = "{CoRR}",
  url = "http://arxiv.org/abs/cs.DB/0310012",
  volume = "cs.DB/0310012",
}