The vision of dataspaces has been articulated as providing various of the benefits of classical data integration, but with reduced upfront costs, combined with opportunities for in...
Cornelia Hedeler, Khalid Belhajjame, Alvaro A. A. ...
Nowadays maintenance of database management systems (DBMSs) often requires offline operations for enhancement of functionality or security updates. This hampers the availability of...
Florian Irmert, Thomas Fischer, Frank Lauterwald, ...
Due to the growing popularity of XML as a data exchange and storage format, the need to develop efficient techniques for storing and querying XML documents has emerged. A common ap...
We study the expressiveness of a positive fragment of path queries, denoted Path+ , on node-labeled trees documents. The expressiveness of Path+ is studied from two angles. First, ...
Yuqing Wu, Dirk Van Gucht, Marc Gyssens, Jan Pared...
Abstract. Privacy has become increasingly important to the database community which is reflected by a noteworthy increase in research papers appearing in the literature. While rese...
Ken Barker, Mina Askari, Mishtu Banerjee, Kambiz G...