N. Taylor, and Z. Ives. Proceedings of the ACM SIGMOD International Conference on Management of Data, Chicago, Illinois, USA, June 27-29, 2006, page 13--24. ACM, (2006)
H. Galhardas, D. Florescu, D. Shasha, E. Simon, and C. Saita. Proceedings of the 3rd Intl. Workshop on Design and Management of Data Warehouses, DMDW'2001, Interlaken, Switzerland, June 4, 2001, volume 39 of CEUR Workshop Proceedings, page 3. CEUR-WS.org, (2001)
J. Gaugaz, and G. Demartini. Proceedings of the 1st IRSW2008 International Workshop on Identity and Reference on the Semantic Web, Tenerife, Spain, June 2, 2008, volume 422 of CEUR Workshop Proceedings, CEUR-WS.org, (2008)