Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
Abstract: The emerging penetration of IT architectures with XML leads to increasing XML data volumes. Available tools often fail in realizing scalable XML processing for large XML ...
Users need more sophisticated tools to handle the growing number of image-based documents available in databases. In this paper, we present a system devoted to the editing and bro...
Abstract. In relational database management systems indexes are used to accelerate specific queries. The selection of indexes is an important task when tuning a database which is ...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...