RWTH Aachen University
XML (eXtensible Markup Language) is one of the most progressive technologies. It has become popular as a format for data exchange between applications. CellStore/XQuery is modular an implementation of the XML query language interpreter. Primary goal of the implementation is to provide open experimental platform for implementing and testing new query optimization techniques for querying XML data. This paper describes architecture and design features of the implementation as well as possible approaches to extending the interpreter.