@phdthesis{ethos-15655,
  title = {Semantic optimization of OQL queries},
  author = {Agathoniki Trigoni},
  year = {2002},
  url = {https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620163},
  note = {British Library, EThOS},
  researchr = {https://researchr.org/publication/ethos-15655},
  cites = {0},
  citedby = {0},
  school = {University of Cambridge, UK},
}