This book constitutes the thoroughly refereed joint post-proceedings of the VLDB 2002 Workshop on Efficiency and Effectiveness of XML Tools and Techniques, EEXTT and the CAiSE 2002 Workshop on Data Integration over the Web, DIWeb.The 10 revised full papers presented were carefully selected during two rounds of reviewing and revision.

Efficiency and Effectiveness of XML Tools and Techniques (EEXTT).- A Proposal for an XML Data Definition and Manipulation Language.- Relevance Ranking Tuning for Similarity Queries on XML Data.- A New Path Expression Computing Approach for XML Data.- Integrated XML Document Management.- Integration of XML Data.- XML to Relational Conversion Using Theory of Regular Tree Grammars.- Adaptive XML Shredding: Architecture, Implementation, and Challenges.- An Adaptable and Adjustable Mapping from XML Data to Tables in RDB.- Efficient Structure Oriented Storage of XML Documents Using ORDBMS.- Assessing XML Data Management with XMark.- The XOO7 Benchmark.- Multi-user Evaluation of XML Data Management Systems with XMach-1.- The Michigan Benchmark: A Microbenchmark for XML Query Processing Systems.- XBench - A Family of Benchmarks for XML DBMSs.- Data Integration Using Web Services.- Efficient Cache Answerability for XPath Queries.- Web-Based Integration of Printed and Digital Information.- Integrating Scientific Data through External, Concept-Based Annotations.- Exploiting and Completing Web Data Sources Capabilities.