Managing XML and Semistructured Data

In this lecture

Types in XDuce

Values in XDuce

Types in XDuce

Types in XDuce

Example of Types in XDuce

Formal Definition of Types in XDuce

Types in XDuce

Types in XDuce

Subsumption in Xduce Types

XDuce

Regular Tree Languages

Bottom Up Tree Authomata

Example of Tree Automaton

Properties of Regular Tree Languages

Top-down Automata

Example of a Bottom-up Automaton

Regular Tree Languages and XDuce types

Conclusion for Schemas