Database Programming Languages: 9th International Workshop, DBPL 2003, Potsdam, Germany, September 6-8, 2003. Revised PapersAuthor: Georg Lausen, Dan Suciu Published by Springer Berlin Heidelberg ISBN: 978-3-540-20896-9 DOI: 10.1007/b95340Table of Contents:CQL: A Language for Continuous Queries over Streams and Relations XPath Query Processing Satisfiability of XPath Expressions Containment of Relational Queries with Annotation Propagation Avoiding Unnecessary Ordering Operations in XPath Consistency of Java Transactions Integrating Database and Programming Language Constraints A Unifying Semantics for Active Databases Using Non-Markovian Theories of Actions Modelling Dynamic Web Data Semantics of Objectified XML Constraints M2ORM2: A Model for the Transparent Management of Relationally Persistent Objects Using XQuery for Flat-File Based Scientific Datasets A Query Algebra for Fragmented XML Stream Data Updates and Incremental Validation of XML Documents Attribute Grammars for Scalable Query Processing on XML Streams A General Framework for Estimating XML Query Cardinality, Includes bibliographical references and index