XML-Relational DBMS.- XML-to-SQL Query Translation The State of the Art and Open Problems.- Searching for Efficient XML-to-Relational Mappings.- A Virtual XML Database Engine for Relational Databases.- XML Query Processing.- Cursor Management for XML Data.- Three Cases for Query Decorrelation in XQuery.- A DTD Graph Based XPath Query Subsumption Test.- Systems and Tools.- A Platform for Data-Centric and Document-Centric XML Processing.- An XML Repository Manager for Software Maintenance and Adaptation.- A Tool for Visualizing XPath Expressions.- XML Access Structures.- Tree Signatures for XML Querying and Navigation.- The Collection Index to Support Complex Approximate Queries.- Finding ID Attributes in XML Documents.- Stream Processing and Updates.- XML Stream Processing Quality.- Representing Changes in XML Documents Using Dimensions.- Updating XQuery Views Published over Relational A Round-Trip Case Study.- Design Issues.- Repairs and Consistent Answers for XML Data with Functional Dependencies.- A Redundancy Free 4NF for XML.- Supporting XML Security Models Using Relational A Vision.