X-ray Evidence for the Local Hot Bubble

X-Ray Monitoring of GRBs with Lobster Eye Telescopes

X-ray narrow line region variability as a geometry probe: The case of NGC 5548

X-ray Observations of the Vela Supernova Remnant Ejecta Fragments

X-ray spectra of the most X-ray luminous radio-quiet RBS-QSOs

X-ray spectral analysis of C-COSMOS sources

X-Ray Variability Studies of TeV Blazars

XCAT-DB a Public Interface for the SSC XMM-Newton Catalogue

XML content warehousing: Improving sociological studies of mailing lists and web data

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