Most aspect-oriented languages provide only a fixed, built-in set of pointcut designators whose denotation is only described informally. As a consequence, these languages do not p...
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Relational data streams and XML streams have previously provided two separate research foci, but their unified support by a single Data Stream Management System (DSMS) is very des...
Abstract The W3C has developed XPath [3] as a query language for XML data. XPath is embedded in many other languages like XQuery and XSLT. The name of XPath derives from its basic ...
Matthias Droop, Markus Flarer, Jinghua Groppe, Sve...
We give an overview on how XQuery processing works in our native XML database system Natix. After a brief description of the query compiler we focus on the aspect of join ordering...
Norman May, Sven Helmer, Carl-Christian Kanne, Gui...