In this paper, we study the safety guarantees of group communication-based database replication techniques. We show that there is a model mismatch between group communication and ...
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
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...
Several mapping schemes have recently been proposed to store XML data in relational tables. Relational database systems are readily available and can handle vast amounts of data v...
In a recent paper, Martens et al. introduced a specification mechanism for XML tree languages, based on rules of the form r s, where r, s are regular expressions. Sets of such ru...