Database and XML Technologies: Second International XML Database Symposium, XSym 2004, Toronto, Canada, August 29-30, 2004. ProceedingsAuthor: Zohra Bellahsène, Tova Milo, Michael Rys, Dan Suciu, Rainer Unland Published by Springer Berlin Heidelberg ISBN: 978-3-540-22969-8 DOI: 10.1007/b100256Table of Contents:Building an Extensible XQuery Engine: Experiences with Galax (Extended Abstract) A Light but Formal Introduction to XQuery XML Query Processing Using a Schema-Based Numbering Scheme Implementing Memoization in a Streaming XQuery Processor XQuery Processing with Relevance Ranking Information Preservation in XML-to-Relational Mappings A Signature-Based Approach for Efficient Relationship Search on XML Data Collections Correctors for XML Data Incremental Constraint Checking for XML Documents EReX: A Conceptual Model for XML A Runtime System for XML Transformations in Java Teaching Relational Optimizers About XML Processing Adjustable Transaction Isolation in XML Database Management Systems Fractional XSketch Synopses for XML Databases Flexible Workload-Aware Clustering of XML Documents XIST: An XML Index Selection Tool, Includes bibliographical references and index