XML Multidimensional Modelling and Querying
XML Query Processing and Query Languges: A Survey
XMM-Newton follow-up of 3 BeppoSAX-WFC detected Clusters of Galaxies
XMM-Newton slew survey hard band sources
XPath Whole Query Optimization
XPath-Logic and XPathLog: A Logic-Programming Style XML Data Manipulation Language
XQ2P: Efficient XQuery P2P Time Series Processing
XQuery Join Graph Isolation
XRecursive: An Efficient Method to Store and Query XML Documents
XString: XML as a String
XWeB: the XML Warehouse Benchmark
YeastMed: an XML-Based System for Biological Data Integration of Yeast