“…In a similar way, classical and conditional dependencies on XML data have been proposed for data semantic verification. Several approaches for XML functional dependencies have been proposed (Buneman et al, 2001;Liu et al, 2003;Wang and Topor, 2005;Shahriar and Liu, 2008;Bouchou et al, 2012;Tan and Zhang, 2011), and also for conditional functional dependencies (Vo et al, 2011).…”