@Article{SCI:Bar2004a,
  author =    "D. Barbosa and J. Freire and A. Mendelzon",
  title =     "Information Preservation in XML-to-Relational
              Mappings",
  journal =   "Database and XML Technologies",
  volume =    "3186/2004",
  pages =     "66--81",
  year =      "2004",
  series =    "Lecture Notes in Computer Science (LNCS)",
  isbn =      "978-3-540-22969-8",
  url =       "http://www.sci.utah.edu/publications/barbosa04/Barbosa_LNCS2004.pdf",
}