@www{DBLP:www/org/w3/TR/NOTE-xml-ql,
  author    = {Alin Deutsch and
               Mary F. Fernandez and
               Daniela Florescu and
               Alon Y. Levy and
               Dan Suciu},
  title     = {XML-QL: A Query Language for XML},
  year      = {1998},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}