S. Chien, Z. Vagena, D. Zhang, V. Tsotras, and C. Zaniolo. VLDB '02: Proceedings of the 28th international conference on Very Large Data Bases, page 263--274. VLDB Endowment, (2002)
F. Wang, X. Zhou, and C. Zaniolo. WIDM '06: Proceedings of the 8th annual ACM international workshop on Web information and data management, page 3--10. New York, NY, USA, ACM, (2006)
F. Wang, and C. Zaniolo. Data & Knowledge Engineering, 65 (2):
304 - 324(2008)Including Special Section: 3rd XML Schema and Data Management Workshop (XSDM 2006) - Five selected and extended papers.