@inproceedings{AbiteboulWL98,
  title = {A Unified Approach for Querying Structured Data and XML},
  author = {Serge Abiteboul and Jennifer Widom and Tirthankar Lahiri},
  year = {1998},
  url = {http://www.w3.org/TandS/QL/QL98/pp/serge.html},
  tags = {XML, XML Schema, data-flow, systematic-approach},
  researchr = {https://researchr.org/publication/AbiteboulWL98},
  cites = {0},
  citedby = {0},
  booktitle = {QL},
}