@article{journals/sigmod/GottlobKP03,
  title = "{XPath} Processing in a Nutshell",
  author = "Georg Gottlob and Christoph Koch and Reinhard Pichler",
  year = "2003",
  journal = "SIGMOD Record",
  number = "1",
  pages = "12-19",
  url = "http://www.acm.org/sigmod/record/issues/0303/3.xpnut.pdf",
  volume = "32",
  doi = "10.1145/640990.640992",
}