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The concept of functional dependencies plays an important role in relational databases where it is used in integrity enforcement and database design. The corresponding concept, functional dependencies in XML (XFDs), has been widely investigated over the past few years. Although some proposals have been made and most of them are based on path that is a crucial factor for the expressive power of XFDs,...
XML has become the de facto standard for representing and interchanging data in web-based applications. The wide use of XML has necessitated the XML document semantically richer. The integrity constraints for XML have been widely investigated over the past few years, with a focus on keys, foreign keys, functional dependencies (XFDs), multivalued dependencies (XMVDs) and inclusion dependencies (XINDs)...
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