Database and XML Technologies: 4th International XML Database Symposium, Xsym 2006, Seoul, Korea, September 10-11, 2006, Proceedings (Paperback, 2006)

Query Evaluation and Temporal XML.- Kappa-Join: Efficient Execution of Existential Quantification in XML Query Languages.- Index vs. Navigation in XPath Evaluation.- Consistency of Temporal XML Documents.- XPath and Twigs.- A Logic-Based Approach to Cache Answerability for XPath Queries.- FLUX: Content and Structure Matching of XPath Queries with Range Predicates.- A Resource Efficient Hybrid Data Structure for Twig Queries.- XML Updates.- On the Expressive Power of XQuery-Based Update Languages.- Efficient Incremental Validation of XML Documents After Composite Updates.