Patterns and Types for Querying XML Documents -- Dual Syntax for XML Languages -- Exploiting Schemas in Data Synchronization -- Efficiently Enumerating Results of Keyword Search -- Mapping Maintenance in XML P2P Databases -- Inconsistency Tolerance in P2P Data Integration: An Epistemic Logic Approach -- XML Data Integration with Identification -- Satisfiability of XPath Queries with Sibling Axe…