@article{DBLP:journals/vldb/FurcheGGGOS13,
  title = "The ontological key: automatically understanding and integrating forms to access the deep Web",
  author = "Tim Furche and Georg Gottlob and Giovanni Grasso and Xiaonan Guo and Giorgio Orsi and Christian Schallhart",
  year = "2013",
  journal = "VLDB J.",
  number = "5",
  pages = "615-640",
  volume = "22",
}