1. Representing and querying XML with incomplete information;Abiteboul,2001
2. Querying and updating probabilistic information in XML;Abiteboul,2006
3. Structural joins: a primitive for efficient XML query pattern matching;Al-Khalifa,2002
4. FleXPath: flexible structure and full-text querying for XML;Amer-Yahia,2004
5. Holistic twig joins: optimal XML pattern matching;Bruno,2002