Metadata processing is recognized as a central challenge for database research in the next decade. Already, novel desktop data management and search applications (cf. Apple’s Spo...
XML and semi-structured data is usually modeled using graph structures. Structural summaries, which have been proposed to speedup XML query processing have graph forms as well. Th...
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
XML-based databases have become a major area of in database research. Abstractly speaking they can be considered as a resurrection of complexvalue databases using constructors for...
Markus Kirchberg, Faizal Riaz-ud-Din, Klaus-Dieter...
Processing a twig pattern query in XML document includes structural search and content search. Most existing algorithms only focus on structural search. They treat content nodes th...